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Видео добавленное пользователем “SciShow” за 2016
Honey: Bacteria's Worst Enemy
 
04:20
It may not look like it sitting in that cute bear bottle, but honey is a supercharged bacteria-killing powerhouse! Learn more about hydrogen peroxide: https://www.youtube.com/watch?v=vVSC79nxCvI Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Coda Buchanan, Lucy McGlasson, Accalia Elementia, Mark Terrio-Cameron, Saul, Kathy & Tim Philip, Kevin Bealer, Christopher Collins, Thomas J., charles george, Andreas Heydeck, Patrick D. Ashmore, Justin Lentz, Will and Sonja Marple, Ed Shelley, Chris Peters, Tim Curwick, Philippe von Bergen, Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.ncbi.nlm.nih.gov/pubmed/22095907 http://pubs.acs.org/doi/abs/10.1021/ed084p1643?journalCode=jceda8 http://www.compoundchem.com/2014/08/21/chemistryofhoney/ https://edis.ifas.ufl.edu/aa142 http://www.sciencedirect.com/science/article/pii/S0278691510003959 http://www.scientificamerican.com/article/how-do-salt-and-sugar-pre/ http://www.livescience.com/33061-why-does-hydrogen-peroxide-fizz-on-cuts.html http://emedicine.medscape.com/article/961833-overview#a5 Images: https://commons.wikimedia.org/wiki/File:Cueva_arana.jpg https://commons.wikimedia.org/wiki/File:Cristallizzazione_del_miele_IMG_0371.JPG https://commons.wikimedia.org/wiki/File:77_1gpe.png https://commons.wikimedia.org/wiki/File:Apis_mellifera_Portrait.jpg https://en.wikipedia.org/wiki/Methylglyoxal#/media/File:Pyruvaldehyde.svg https://commons.wikimedia.org/wiki/File:Manuka_flowers_and_native_bee.jpg
Просмотров: 1983580 SciShow
Where Do Domestic Cats Come From?
 
04:51
Do you give ancient Egypt credit for the domestication of cats? That’s what many people think! But, with some new evidence, it seems that cats became our cuddly counterparts a little further east and because of an emerging pest problem. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Bryce Daifuku, Kevin Bealer, Justin Lentz, Mark Terrio-Cameron, Patrick Merrithew, Accalia Elementia, Fatima Iqbal, Benny, Kyle Anderson, Mike Frayn, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Chris Peters, Kathy Philip, Patrick D. Ashmore, Thomas J., Charles George, Bader AlGhamdi. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.sciencemag.org/news/2016/01/were-cats-domesticated-more-once http://www.sciencemag.org/news/2013/12/when-cats-became-comrades http://www.pnas.org/content/111/1/116 http://www.smithsonianmag.com/history/a-brief-history-of-house-cats-158390681/?no-ist http://www.pnas.org/content/111/48/17230.abstract http://www.sciencemag.org/news/2014/11/genes-turned-wildcats-kitty-cats http://www.slate.com/articles/health_and_science/science/2015/07/cat_domestication_debate_over_hunting_tameness_docility_affection_feral.html http://www.livescience.com/48696-origins-of-cat-domestication.html http://science.sciencemag.org/content/317/5837/519 http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0147295 Images: Egyptian Tomb Carvings: https://commons.wikimedia.org/wiki/File:Sarcophagus_of_Prince_Thutmose%27s_cat_by_Madam_Rafa%C3%A8le.jpg Bastet:https://commons.wikimedia.org/wiki/File:Bastet_Istanbul_museum.JPG Fertile Crescent: https://commons.wikimedia.org/wiki/File:Fertile_Crescent_map.png African Wild Cat: https://commons.wikimedia.org/wiki/File:AfricanWildCat.jpg Wild Cat 2: https://commons.wikimedia.org/wiki/File:Felis_Lybica_Sarda_05.JPG Leopard Cat: https://commons.wikimedia.org/wiki/File:Leopard_Cat_Tennoji.jpg Leopard Cat Night: https://commons.wikimedia.org/wiki/File:Leopard_cat_India.jpg
Просмотров: 835637 SciShow
Bitcoin: How Cryptocurrencies Work
 
09:25
Whether or not it's worth investing in, the math behind Bitcoin is an elegant solution to some complex problems. Hosted by: Michael Aranda Special Thanks: Dalton Hubble Learn more about Cryptography: https://www.youtube.com/watch?v=-yFZGF8FHSg ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shout out to Bella Nash, Kevin Bealer, Mark Terrio-Cameron, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://bitinfocharts.com/ https://chrispacia.wordpress.com/2013/09/02/bitcoin-mining-explained-like-youre-five-part-2-mechanics/ https://www.youtube.com/watch?v=Lx9zgZCMqXE https://www.youtube.com/watch?v=nQZUi24TrdI https://bitcoin.org/en/how-it-works http://www.forbes.com/sites/investopedia/2013/08/01/how-bitcoin-works/#36bd8b2d25ee http://www.makeuseof.com/tag/how-does-bitcoin-work/ https://blockchain.info/charts/total-bitcoins https://en.bitcoin.it/wiki/Controlled_supply https://www.bitcoinmining.com/ http://bitamplify.com/mobile/?a=news Image Sources: https://commons.wikimedia.org/wiki/File:Cryptocurrency_Mining_Farm.jpg
Просмотров: 2634181 SciShow
The Physics of the Weird and Wonderful Theremin
 
03:58
Electronic music is older than you may think. Enter the theremin - a device that turns your body into part of a capacitor, and allows you to play music without even touching an instrument! Special thanks to Jay Bruns of nojayart.com for lending us his theremin, and Mike Emmons for setting up our meeting. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Coda Buchanan, Lucy McGlasson, Accalia Elementia, Mark Terrio-Cameron, Saul, Kathy & Tim Philip, Kevin Bealer, Christopher Collins, Thomas J., charles george, Andreas Heydeck, Patrick D. Ashmore, Justin Lentz, Will and Sonja Marple, Ed Shelley, Chris Peters, Tim Curwick, Philippe von Bergen, Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://web.physics.ucsb.edu/~lecturedemonstrations/Composer/Pages/60.17.html http://electronics.howstuffworks.com/gadgets/audio-music/theremin.htm http://www.animations.physics.unsw.edu.au/jw/LCresonance.html http://www.facstaff.bucknell.edu/mastascu/elessonshtml/lc/capac1.htm https://books.google.com/books?id=6DHlQJcMpBQC http://web.physics.ucsb.edu/~lecturedemonstrations/Composer/Pages/44.51.html http://hyperphysics.phy-astr.gsu.edu/hbase/sound/beat.html#c3
Просмотров: 878990 SciShow
Why Shouldn't You Take Medicine with Grapefruit Juice?
 
02:13
If you’ve taken prescription medication, have you ever noticed the strange disclaimer, "don't take with grapefruit juice"? There is a very good reason for that! Hank Green explains in this episode of SciShow Quick Questions! Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Chris Peters, Philippe von Bergen, Fatima Iqbal, John Murrin, Linnea Boyev, and Kathy & Tim Philip. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.dictiome.com/en/27682/furanocoumarins-pronunciation-Aussprache-prononciation-%D0%BF%D1%80%D0%BE%D0%B8%D0%B7%D0%BD%D0%BE%D1%88%D0%B5%D0%BD%D0%B8%D0%B5-pronunciaci%C3%B3n [pronunciation] http://ajcn.nutrition.org/content/83/5/1097.long http://www.fda.gov/downloads/ForConsumers/ConsumerUpdates/UCM292839.pdf http://www.health.harvard.edu/family_health_guide/grapefruit-and-medication-a-cautionary-note http://www.cancer.net/navigating-cancer-care/how-cancer-treated/clinical-trials/phases-clinical-trials
Просмотров: 602967 SciShow
How Do Touchscreens Work?
 
03:29
Ever wonder how your finger can magically control your smartphone screen? We explain in this episode of SciShow. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Thomas J., Chris Peters, Tim Curwick, Lucy McGlasson, Andreas Heydeck, Will and Sonja Marple, Mark Terrio-Cameron, Charles George, Christopher Collins, and Patrick D. Ashmore. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://gigaom.com/2013/07/10/the-metal-coating-that-makes-iphones-touch-sensitive-is-running-out/ http://www.ti.com/lit/an/slyt209a/slyt209a.pdf http://large.stanford.edu/courses/2012/ph250/lee2/docs/art6.pdf https://www.newhavendisplay.com/app_notes/TPcompare.pdf https://www.sparkfun.com/datasheets/LCD/HOW%20DOES%20IT%20WORK.pdf http://www.microchip.com/design-centers/touch-input-sensing/touch-screen-and-touch-pad-controllers/technology/analog-resistive http://arstechnica.com/gadgets/2013/04/from-touch-displays-to-the-surface-a-brief-history-of-touchscreen-technology/ http://www.gtouch.com.tw/products_panels_pcap.html http://large.stanford.edu/courses/2012/ph250/lee2/docs/art6.pdf
Просмотров: 953074 SciShow
Why Can't You Remember Being a Baby?
 
02:43
You're pretty sure being a baby was awesome, but why can't you actually remember any of it? Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Linnea Boyev, Tomasz Jonarski, Chris Peters, Philippe von Bergen, Will and Sonja Marple, and Mark Terrio-Cameron. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.ncbi.nlm.nih.gov/pubmed/26... http://www.nimh.nih.gov/about/directo... https://www.psychologytoday.com/blog/... http://mentalfloss.com/article/12330/... http://www.npr.org/sections/health-sh... http://science.sciencemag.org/content...
Просмотров: 592397 SciShow
How Do Noise-Canceling Headphones Work?
 
02:11
You’re on a flight, and the drone of the engines is getting on your nerves, so you pop on a pair of noise-canceling headphones, and sweet, blessed silence descends. But those headphones aren’t just muffling the sound -- they’re actually making it go away! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Andreas Heydeck, Justin Lentz, Will and Sonja Marple, Benny, Chris Peters, Tim Curwick, Philippe von Bergen, Patrick, Fatima Iqbal, Lucy McGlasson, Mark Terrio-Cameron, Accalia Elementia, Kathy & Tim Philip, charles george, Kevin Bealer, Thomas J., and Patrick D. Ashmore. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://electronics.howstuffworks.com/gadgets/audio-music/noise-canceling-headphone3.htm http://mentalfloss.com/article/49988/how-do-noise-canceling-headphones-work http://www.phys.uconn.edu/~gibson/Notes/Section5_2/Sec5_2.htm https://thetartan.org/2010/2/8/scitech/noisecanceling
Просмотров: 459214 SciShow
Are Those Really Blackheads?
 
02:41
Do you just hate those little bumps all over your nose? Don’t be a hater, they’re just doing their job! Learn how in this SciShow Quick Question. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Linnea Boyev, Tomasz Jonarski, Chris Peters, Philippe von Bergen, Will and Sonja Marple, and Mark Terrio-Cameron. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.oxforddictionaries.com/us/definition/american_english/comedo http://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0072395/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1271924/ https://www.ncbi.nlm.nih.gov/pubmed/130839 http://www.karger.com/Article/Abstract/67820 http://www.huffingtonpost.com/2012/11/20/blackheads-get-rid-of-removal-nose_n_2166779.html Images: Blackhead, whitehead, normal pore: https://commons.wikimedia.org/wiki/File:Blausen_0811_SkinPores.png Spots on Nose: https://commons.wikimedia.org/wiki/File:Blackheads.JPG sebaceous glands: https://commons.wikimedia.org/wiki/File:Hair_follicle-en.svg
Просмотров: 1426055 SciShow
Why Do Cats Love Boxes?
 
02:15
Why do cats love to hang out in boxes so much? It has something to do with being stone cold predators. And, a little anxiety. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Bryce Daifuku, Kevin Bealer, Justin Lentz, Mark Terrio-Cameron, Patrick Merrithew, Accalia Elementia, Fatima Iqbal, Benny, Kyle Anderson, Mike Frayn, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Chris Peters, Kathy Philip, Patrick D. Ashmore, Thomas J., Charles George, Bader AlGhamdi. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: Sources: http://www.appliedanimalbehaviour.com/article/S0168-1591(14)00236-6/abstract?cc=y https://www.wired.com/2015/02/whats-up-with-cats-and-boxes/
Просмотров: 550119 SciShow
Sprites, Jets, and Glowing Balls: The Science of Lightning
 
03:43
Ever wonder how lightning works? Scientists are still figuring it out, but what we do know is fascinating. Learn about positive and negative lightning, red sprites, blue jets, and ball lightning in this episode of SciShow! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Andreas Heydeck, Justin Lentz, Will and Sonja Marple, Benny, Chris Peters, Tim Curwick, Philippe von Bergen, Patrick, Fatima Iqbal, Lucy McGlasson, Mark Terrio-Cameron, Accalia Elementia, Kathy & Tim Philip, charles george, Kevin Bealer, Thomas J., and Patrick D. Ashmore. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: Basics about lightning (types and positive/negative) http://hyperphysics.phy-astr.gsu.edu/hbase/electric/elefie.html http://www.colorado.edu/physics/phys1120/phys1120_fa09/LectureNotes/ChargesElectricFields.pdf http://www.nssl.noaa.gov/education/svrwx101/lightning/types/ https://www.ec.gc.ca/foudre-lightning/default.asp?lang=En&n=9353715C-1 http://hyperphysics.phy-astr.gsu.edu/hbase/electric/lightning.html http://hyperphysics.phy-astr.gsu.edu/hbase/electric/ligseq.html https://www.loc.gov/rr/scitech/mysteries/thunder.html http://www.srh.noaa.gov/srh/jetstream/lightning/positive.html http://news.discovery.com/earth/is-lightning-hotter-than-the-sun.htm http://www.srh.noaa.gov/jetstream/lightning/lightning_max.html https://www.unz.org/Pub/SaturdayRev-1972may13-00036 http://www.srh.noaa.gov/srh/jetstream/lightning/thunder.html http://science.howstuffworks.com/nature/natural-disasters/lightning2.htm Red Sprites and Blue Jets http://www.ee.psu.edu/directory/facultyinfo/pasko/Publications/PaskoPSST07.pdf http://www.popsci.com/what-red-sprite http://www.smithsonianmag.com/science-nature/scientists-capture-rare-photographs-of-red-lightning-544670/?no-ist https://www.sciencedaily.com/releases/2008/03/080328102738.htm http://elf.gi.alaska.edu/ Ball lightning https://www.newscientist.com/article/dn9293-physicists-create-great-balls-of-fire/ http://www.ipp.mpg.de/ippcms/eng/presse/archiv/05_06_pi http://phys.org/news/2012-10-mystery-ball-lightning.html http://physics.aps.org/articles/v7/5 http://phys.org/news/2014-01-instance-ball-lightning-captured-video.html http://news.discovery.com/earth/weather-extreme-events/ball-lightning-121012.htm Image sources: http://www.publicdomainpictures.net/view-image.php?image=94592&picture=desert-lightning https://commons.wikimedia.org/wiki/File:FoggDam-NT.jpg https://commons.wikimedia.org/wiki/Lightning#/media/File:Lightning_slow_motion.gif https://commons.wikimedia.org/wiki/File:The_Sun_by_the_Atmospheric_Imaging_Assembly_of_NASA%27s_Solar_Dynamics_Observatory_-_20100819.jpg?fastcci_from=17827&c1=17827&d1=15&s=200&a=fqv https://commons.wikimedia.org/wiki/File:Anvil-to-ground_lightning.jpg https://commons.wikimedia.org/wiki/File:ISS-44_Red_Sprites,_northwest_Mexico.jpg https://commons.wikimedia.org/wiki/File:BigRed-Sprite.jpg https://www.youtube.com/watch?v=dY5F_gEexAY&feature=youtu.be https://commons.wikimedia.org/wiki/File:Ball_lightning_spectrum.svg
Просмотров: 339756 SciShow
Are Sore Muscles Growing?
 
02:00
You hit the gym for the first time forever and now you can barely move... that means you're getting totally ripped, right? Maybe! Find out on this week's QQ! Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Linnea Boyev, Tomasz Jonarski, Chris Peters, Philippe von Bergen, Will and Sonja Marple, and Mark Terrio-Cameron. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources:
Просмотров: 872478 SciShow
Do Negative-Calorie Foods Exist?
 
01:56
We’ve all heard the rumor that certain foods provides less calories than it takes to digest. Is this true? Check out this SciShow Quick Question to find out! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Coda Buchanan, Lucy McGlasson, Accalia Elementia, Mark Terrio-Cameron, Saul, Kathy & Tim Philip, Kevin Bealer, Christopher Collins, Thomas J., charles george, Andreas Heydeck, Patrick D. Ashmore, Justin Lentz, Will and Sonja Marple, Ed Shelley, Chris Peters, Tim Curwick, Philippe von Bergen, Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC524030/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC524030/ https://ndb.nal.usda.gov/ndb/foods/show/2914?fgcd=&manu=&lfacet=&format=&count=&max=35&offset=&sort=&qlookup=celery http://www.mayoclinic.org/healthy-lifestyle/weight-loss/expert-answers/negative-calorie-foods/faq-20058260 http://www.bbc.com/news/magazine-21723312
Просмотров: 622489 SciShow
The Deal with Carbs
 
04:31
Carbs are pinned to be the villains in many diets, but those poor guys are just misunderstood. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Patrick Merrithew, Will and Sonja Marple, Thomas J., Kevin Bealer, Chris Peters, charles george, Kathy & Tim Philip, Tim Curwick, Bader AlGhamdi, Justin Lentz, Patrick D. Ashmore, Mark Terrio-Cameron, Benny, Fatima Iqbal, Accalia Elementia, Kyle Anderson, and Philippe von Bergen. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.livescience.com/51976-carbohydrates.html http://science.howstuffworks.com/innovation/edible-innovations/food2.htm http://www.britannica.com/science/carbohydrate/Sucrose-and-trehalose#toc72619 http://www.visionlearning.com/en/library/Biology/2/Carbohydrates/61 http://healthyeating.sfgate.com/fiber-reduce-ldl-5545.html http://www.britannica.com/science/metabolism#toc52051 http://global.oup.com/us/companion.websites/fdscontent/uscompanion/us/static/companion.websites/9780199730841/McKee_Chapter8_Sample.pdf http://hyperphysics.phy-astr.gsu.edu/hbase/organic/sugar.html http://www.cell.com/cell-metabolism/abstract/S1550-4131(11)00420-7?_returnURL=http%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS1550413111004207%3Fshowall%3Dtrue http://www.about-axona.com/us/en/hcp/dcgm/normal-metabolism.html http://www.highlands.edu/academics/divisions/scipe/biology/faculty/harnden/2190/notes/5.htm http://www.britannica.com/science/starch http://www.nhs.uk/Livewell/Goodfood/Pages/starchy-foods.aspx https://www.sciencedaily.com/terms/glycogen.htm http://www.ncbi.nlm.nih.gov/books/NBK21190/ http://www.cwu.edu/sports-nutrition/eating-competition http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3248697/ http://lpi.oregonstate.edu/mic/other-nutrients/fiber http://arbl.cvmbs.colostate.edu/hbooks/pathphys/digestion/basics/polysac.html http://ajcn.nutrition.org/content/69/1/30.full
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What Are Muscle Knots?
 
02:25
Muscle knots: more mysterious than you think! Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Chris Peters, Philippe von Bergen, Fatima Iqbal, John Murrin, Linnea Boyev, and Kathy & Tim Philip. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://well.blogs.nytimes.com/2015/07/13/experts-divided-on-makeup-and-treatment-of-muscle-knots/ http://www.ncbi.nlm.nih.gov/pubmed/25603753 http://www.ncbi.nlm.nih.gov/pubmed/25477053 http://www.utc.fr/~sbensamo/pdf/11_Chen_YAPMR53086.pdf
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Why Do I Feel Lightheaded When I Stand Up?
 
02:23
Have you ever stood up and felt a bit dizzy and lightheaded? Learn why it happens in this SciShow Quick Question! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Linnea Boyev, Tomasz Jonarski, Chris Peters, Philippe von Bergen, Will and Sonja Marple, and Mark Terrio-Cameron. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Links to Other Videos: https://www.youtube.com/watch?v=GvvH9gd1Njk Sources: http://www.mayoclinic.org/diseases-conditions/low-blood-pressure/basics/definition/con-20032298 http://www.aafp.org/afp/2003/1215/p2393.html http://www.medicinenet.com/orthostatic_hypotension/page2.htm#what_is_orthostatic_hypotension http://www.webmd.com/a-to-z-guides/hypotension-orthostatic http://www.wisegeekhealth.com/what-is-a-head-rush.htm http://www.heart.org/HEARTORG/Conditions/HighBloodPressure/AboutHighBloodPressure/Understanding-Blood-Pressure-Readings_UCM_301764_Article.jsp#.VsOMLrQ4Gt8
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Why Do We Stretch in the Morning?
 
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Humans (and our pets) frequently instinctively stretch as soon as we wake up. But why? What is happening in our bodies when we stretch and yawn to wake ourselves up? Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Thomas J., Chris Peters, Tim Curwick, Lucy McGlasson, Andreas Heydeck, Will and Sonja Marple, Mark Terrio-Cameron, Charles George, Christopher Collins, and Patrick D. Ashmore. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://theweek.com/articles/442303/10-serioussounding-medical-conditions-that-arent-serious http://essentialsomatics.com/hanna-somatics-articles-case-studies/pandiculation-safe-alternative-stretching http://gravitywerks.com/pandiculate-your-way-to-health/ http://www.pharmaceutical-journal.com/opinion/blogs/yawning-warning-why-do-we-yawn/20068249.blog http://healthyliving.azcentral.com/stretch-after-sleeping-10346.html http://www.livestrong.com/article/355285-why-do-you-stretch-after-sleeping/ http://www.sciencefocus.com/qa/why-do-we-stretch-when-we-wake http://www.washparkchiro.com/why-babies-and-animals-stretch-and-you-should-too/ http://well.blogs.nytimes.com/2013/04/26/ask-well-do-we-need-to-stretch/?_r=0
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3 Misconceptions About Juice Cleanses
 
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Juice cleanses or fasts are thought of as a popular way to detox and reboot the digestive system. But, like most fad diets, juice cleanses might not be doing what you think they are. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Chris Peters, Philippe von Bergen, Fatima Iqbal, John Murrin, Linnea Boyev, and Kathy & Tim Philip. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://www.slate.com/articles/double_x/doublex/2013/11/juice_cleanses_not_healthy_not_virtuous_just_expensive.html http://www.livescience.com/48887-juice-cleanse-dangers.html http://www.livestrong.com/article/307905-glycogen-and-weight-loss/ http://www.livescience.com/35561-5-experts-answer-juice-cleanse.html http://www.livescience.com/48528-colon-cleansing-myths-busted.html http://www.amjmed.com/article/S0002-9343(13)00390-2/pdf Media Sources: https://commons.wikimedia.org/wiki/File:Ammonia-3D-balls-A.png
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8 Incredible Record-Breaking Bridges
 
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All across the world people need to get from one place to another. And sometimes to get to that other place we need bridges. Here are eight bridges that are extraordinary in their own way, from standing the test of time to handling hundreds of millions of people crossing every year. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kathy & Tim Philip, Kevin Bealer, Andreas Heydeck, Thomas J., Accalia Elementia, Will and Sonja Marple. James Harshaw, Justin Lentz, Chris Peters, Bader AlGhamdi, Benny, Tim Curwick, Philippe von Bergen, Patrick Merrithew, Fatima Iqbal, Mark Terrio-Cameron, Patrick D. Ashmore, and charles george. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.nola.com/traffic/index.ssf/2011/06/causeway_refuses_to_relinquish.html http://www.history.com/topics/new-orleans/videos/lake-pontchartrain-causeway-modern-marvel http://www.bbc.com/news/world-asia-pacific-13976281 http://www.guinnessworldrecords.com/world-records/oldest-bridge http://gizmodo.com/17-of-the-oldest-man-made-structures-on-earth-still-in-508293601 http://www.roadtraffic-technology.com/projects/benecia-martinez/ http://www.atlasobscura.com/places/root-bridges-cherrapungee http://www.cherrapunjee.com/living-root-bridges/ http://penelope.uchicago.edu/~grout/encyclopaedia_romana/romanurbs/ponsfabricius.html http://rometour.org/ponte-bridge-fabricio-connects-tiber-island.html https://structurae.net/structures/caravan-bridge http://www.mercurynews.com/breakingnews/ci_6719613 http://www.timesheraldonline.com/general-news/20070825/the-benicia-bridge https://www.reference.com/art-literature/busiest-bridge-world-791783543d8e8f9e http://www.hellotravel.com/stories/10-record-breaking-bridges-of-world https://trid.trb.org/view.aspx?id=650971 http://virtualglobetrotting.com/map/worlds-longest-bridge-bang-na-expressway/view/google/ http://googlesightseeing.com/2012/06/the-worlds-longest-bridge/ http://www.livescience.com/34448-worlds-longest-bridge.html http://www.hzmb.hk/eng/about_overview_01.html http://www.fosterandpartners.com/projects/millau-viaduct/ http://news.bbc.co.uk/2/hi/europe/4091813.stm https://structurae.net/structures/millau-viaduct http://www.amusingplanet.com/2012/03/millau-viaduct-france-tallest-bridge-in.html http://www.bbc.com/news/world-asia-pacific-13976281 http://www.slate.com/blogs/atlas_obscura/2015/04/30/rockets_were_used_to_establish_the_highest_span_in_the_world_china_s_sidu.html http://motherboard.vice.com/read/a-bridge-built-by-rockets http://www.telegraph.co.uk/news/worldnews/asia/china/8608919/The-worlds-bridges-tallest-longest-oldest-and-best-known.html http://www.madehow.com/Volume-5/Suspension-Bridge.html http://science.howstuffworks.com/engineering/civil/bridge5.htm http://cenews.com/article/4298/the-lake-pontchartrain-causeway http://www.ovmchina.com:8088/a/Prijects/Projects_of_Prestressing_System/2014/0123/160.html https://macaulay.cuny.edu/eportfolios/brooks12/2012/04/13/george-washington-bridge-then-and-now/ http://onlinepubs.trb.org/onlinepubs/trnews/trnews262rpo.pdf http://www.telegraph.co.uk/news/worldnews/asia/china/8608279/China-opens-worlds-longest-sea-bridge.html Images: https://www.flickr.com/photos/dickdotcom/2724142781 https://www.flickr.com/photos/nordique/4346766797
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Why Does Water Go Stale Overnight?
 
02:26
You’re going to bed, and you take a sip of cool delicious water, and it’s so refreshing. But, when you wake up and take a swig, that water now tastes like bleh. What’s going on here? Watch this SciShow Quick Question to find out! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Coda Buchanan, Lucy McGlasson, Accalia Elementia, Mark Terrio-Cameron, Saul, Kathy & Tim Philip, Kevin Bealer, Christopher Collins, Thomas J., charles george, Andreas Heydeck, Patrick D. Ashmore, Justin Lentz, Will and Sonja Marple, Ed Shelley, Chris Peters, Tim Curwick, Philippe von Bergen, Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.chemistry.wustl.edu/~edudev/LabTutorials/Water/PublicWaterSupply/PublicWaterSupply.html http://www.wired.com/2015/08/big-question-tap-water-go-stale-overnight/ http://www.smithsonianmag.com/smart-news/whats-stale-glass-water-180955926/#3qFa1RQ4heTzzcXQ.99 http://www.epa.gov/your-drinking-water/table-regulated-drinking-water-contaminants#one http://time.com/3104999/old-water-sick/
Просмотров: 1436272 SciShow
Extreme Animal Milks You Probably Don't Want To Drink
 
04:29
All mammals produce milk, but you probably wouldn't want to dip your cookies in all of them. Annotation: Milk, and the Mutants That Love It https://youtu.be/ecZbhf96W9k Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Linnea Boyev, Tomasz Jonarski, Chris Peters, Philippe von Bergen, Will and Sonja Marple, and Mark Terrio-Cameron. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.midwestdairy.com/farm-lif... http://www.ansc.purdue.edu/faen/dairy... http://www.ncbi.nlm.nih.gov/pubmed/39... https://www.researchgate.net/publicat... http://www.who.int/nutrition/topics/i... http://www.britannica.com/topic/dairy... http://www.britannica.com/topic/milk http://www.smithsonianmag.com/science... http://www.ncbi.nlm.nih.gov/pubmed/39... http://eol.org/info/mammals http://animals.howstuffworks.com/anim... Images: https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi...
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Wasp Nests and Bee Hives
 
05:07
How can you tell the difference between a yellowjacket and a hornet? And how much cosmic XP do you need to evolve a wasp into a bee? Follow the insect that stung you, and discover the fascinating world of wasp nests and bee hives. This episode brought to you in part by Audible.com Go to http://www.audible.com/scishow for a free 30-day trial. Learn about the Democracy of Bees: http://www.youtube.com/watch?v=abk-advcCIw Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kathy & Tim Philip, Kevin Bealer, Andreas Heydeck, Thomas J., Accalia Elementia, Will and Sonja Marple. James Harshaw, Justin Lentz, Chris Peters, Bader AlGhamdi, Benny, Tim Curwick, Philippe von Bergen, Patrick Merrithew, Fatima Iqbal, Mark Terrio-Cameron, Patrick D. Ashmore, and charles george. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.scientificamerican.com/article/the-beguiling-history-of-bees-excerpt/ https://www.sciencedaily.com/releases/2006/12/061209083342.htm http://www.earthlife.net/insects/solwasps.html http://cals.arizona.edu/pubs/insects/ahb/inf21.html https://askabiologist.asu.edu/explore/desert-digger-bees https://www.catseyepest.com/pest-library/bees-hornets-wasps/mason-and-potter-wasps http://www.annualreviews.org/doi/abs/10.1146/annurev.ento.45.1.121?journalCode=ento http://insects.about.com/od/antsbeeswasps/a/wasps-yellowjackets-hornets.htm http://www.landcareresearch.co.nz/science/plants-animals-fungi/animals/invertebrates/invasive-invertebrates/wasps/ife-history http://www.colostate.edu/Dept/CoopExt/4dmg/Pests/whatis.htm http://www.livescience.com/52669-why-worker-wasps-kill-queens.html http://animals.nationalgeographic.com/animals/bugs/wasp/ https://www.cals.ncsu.edu/course/ent425/tutorial/Social/bees.html http://www.fao.org/docrep/X0083E/X0083E02.htm http://www.bbka.org.uk/learn/general_information/life_in_the_hive Images: https://commons.wikimedia.org/wiki/File:Bee-apis.jpg https://commons.wikimedia.org/wiki/File:European_wasp_white_bg.jpg https://commons.wikimedia.org/wiki/File:Hornet-vespa.jpg https://commons.wikimedia.org/wiki/File:Tulip_Stamen_Tip.jpg https://commons.wikimedia.org/wiki/File:Wasp_building_nest.jpg https://commons.wikimedia.org/wiki/File:Guepe.jpg https://commons.wikimedia.org/wiki/File:Apis_mellifera_Western_honey_bee.jpg https://commons.wikimedia.org/wiki/File:European_Honeybee_(Apis_mellifera)_lapping_mouthparts,_showing_labium_and_maxillae..jpg https://commons.wikimedia.org/wiki/File:Spider_wasp_pompilid.jpg https://commons.wikimedia.org/wiki/File:Osmia_conjuncta,_F,_MD,_back_2015-11-20-21.40_(24802012790).jpg https://commons.wikimedia.org/wiki/File:Masonegg.jpg https://commons.wikimedia.org/wiki/File:Carpenter_bee.jpg https://en.wikipedia.org/wiki/File:Carpenter_Bee_Brood_Galleries.jpg https://commons.wikimedia.org/wiki/File:BlattschneiderBiene_Megachile_centuncularis.jpg https://www.flickr.com/photos/gails_pictures/8499852929/in/photolist-dX6Y9r-pUAmwV-oa9hnj-afFGZb-Cd3kUS-JKtono-8aXfqo-oZ6h9b-byio79-drGHHF-7uCHPW-k4UHe-32VQJu-x3VDVt-o832A4-dS8pz8-hNJVAe-oNvWVv-o1yDBu-4DVab-oNKwuW-nQXxeC-C5TTSL-o6mATh-EsQz9W-9FteP1-npxee1-aCmF7s-dmA9pa-mqwtU-4heT5N-6V2stc-fLEVsZ-6pevgy-BD1sTX-6EuH9m-fMFSbs-fGSvLL-a6MZ2L-A55u8N-rEnEUe-FT1h53-nmvbQy-fMfvXF-mqwsX-8wVyJP-Gxs5CH-awqsB6-ibBhZQ-fLEVU2 https://commons.wikimedia.org/wiki/File:Vespa_crabro_nest_full.jpg https://commons.wikimedia.org/wiki/File:2015-09-20_09_15_13_Yellow-jacket_guarding_the_entrance_to_a_below-ground_nest_along_Terrace_Boulevard_in_Ewing,_New_Jersey.jpg https://commons.wikimedia.org/wiki/File:Apoidea.jpg https://commons.wikimedia.org/wiki/File:Humlebibo.JPG https://commons.wikimedia.org/wiki/File:Honey_comb.jpg
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The Science of Getting (and Getting Rid of) a Tattoo
 
03:51
Why are tattoos permanent? How do you deliver the ink? And how do you remove a tattoo if you no longer want it? Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shout out to Bella Nash, Kevin Bealer, Mark Terrio-Cameron, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.pewsocialtrends.org/files/2010/10/millennials-confident-connected-open-to-change.pdf http://www.popsci.com/science/article/2013-06/fyi-what-makes-tattoos-permanent http://www.merckmanuals.com/home/skin-disorders/biology-of-the-skin/structure-and-function-of-the-skin http://www.fda.gov/ForConsumers/ConsumerUpdates/ucm048919.htm https://www.washingtonpost.com/news/speaking-of-science/wp/2015/07/28/all-the-science-that-goes-into-a-single-tattoo/ http://www.thelancet.com/journals/lanonc/article/PIIS1470-2045(11)70340-0/abstract http://www.westlakedermatology.com/blog/9-factors-that-determine-tattoo-removal-success/ http://www.jcasonline.com/article.asp?issn=0974-2077;year=2015;volume=8;issue=1;spage=16;epage=24;aulast=Sardana Image Sources: https://commons.wikimedia.org/wiki/File:Macrophages_undergo_mitosis_after_ingesting_a_fungal_cell.jpg https://commons.wikimedia.org/wiki/File:NIH_3T3.jpg https://commons.wikimedia.org/wiki/File:Laser_Tattoo_Removal_Alice_Pien_MD_AMAskincare.jpg
Просмотров: 326529 SciShow
Stealth: How to Hide a Plane
 
03:52
How do you engineer stealth? Sneak a peek at the methods employed to hide aircraft and boats from detection. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kevin Bealer, Justin Lentz, Mark Terrio-Cameron, Patrick Merrithew, Accalia Elementia, Fatima Iqbal, Benny, Kyle Anderson, Mike Frayn, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Chris Peters, Kathy Philip, Patrick D. Ashmore, Thomas J., charles george, and Bader AlGhamdi. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: Radar: https://www.iop.org/publications/iop/2011/file_47456.pdf http://paos.colorado.edu/~fasullo/1060/resources/radar.htm http://www.explainthatstuff.com/radar.html http://www.britannica.com/technology/radar Examples of stealth planes and ships: http://www.af.mil/AboutUs/FactSheets/Display/tabid/224/Article/104482/b-2-spirit.aspx https://www.washingtonpost.com/news/checkpoint/wp/2015/12/08/the-navys-new-futuristic-destroyer-zumwalt-is-finally-at-sea-a-lot-is-on-the-line/ http://www.dailymail.co.uk/sciencetech/article-3534697/US-Navy-s-giant-destroyer-stealthy-Zumwalt-fitted-reflectors-ships-spot-sea.html General: http://io9.gizmodo.com/5876706/how-do-modern-spy-planes-evade-detection http://www.encyclopedia.com/topic/stealth_technology.aspx http://www.livescience.com/32943-how-stealth-planes-evade-enemy.html Iron Ball Paint: http://www.gutenberg.us/articles/iron_ball_paint http://mail.blockyourid.com/~gbpprorg/mil/radar/f117a.htm Infrared: http://coolcosmos.ipac.caltech.edu/cosmic_classroom/ir_tutorial/what_is_ir.html Image Links: https://commons.wikimedia.org/wiki/File:Future_USS_Zumwalt%27s_first_underway_at_sea.jpg https://en.wikipedia.org/wiki/File:US_Air_Force_B-2_Spirit.jpg https://commons.wikimedia.org/wiki/File:Radar-hatzerim-1-1.jpg https://commons.wikimedia.org/wiki/File:British_Airways_Boeing_747-400_Spijkers.jpg https://en.wikipedia.org/wiki/Lockheed_F-117_Nighthawk#/media/File:F-117_Nighthawk_Front.jpg http://missionscience.nasa.gov/ems/07_infraredwaves.html
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What Really Happened with Typhoid Mary?
 
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The famous symptomless carrier of Typhoid Fever, Mary Mallon, never felt the effects of the fever, but never recovered from a medical system that didn’t know how to treat a carrier of the disease. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to James Harshaw, Kevin Bealer, Mark Terrio-Cameron, Patrick Merrithew, Accalia Elementia, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Bryce Daifuku, Chris Peters, Kathy Philip, Patrick D. Ashmore, Charles George, Bader AlGhamdi. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3959940/ http://www.mayoclinic.org/diseases-conditions/typhoid-fever/basics/symptoms/con-20028553 http://www.history.com/news/10-things-you-may-not-know-about-typhoid-mary https://med.stanford.edu/news/all-news/2013/08/scientists-get-a-handle-on-what-made-typhoid-marys-infectious-microbes-tick.html https://www.britannica.com/biography/Typhoid-Mary http://www.nydailynews.com/news/justice-story/typhoid-mary-carrier-death-article-1.1398166 http://www.pbs.org/wgbh/nova/body/typhoid-mary-villain-or-victim.html http://publichealth.lacounty.gov/acd/procs/b73/DiseaseChapters/B73Typhoidfevercarrier.pdf Images: https://commons.wikimedia.org/wiki/File%3ATyphoid_carrier_polluting_food_-_a_poster.jpg https://commons.wikimedia.org/wiki/File:Mary_Mallon_in_hospital.jpg#/media/File:Mary_Mallon_in_hospital.jpg https://commons.wikimedia.org/wiki/File%3A(King1893NYC)_pg485_SLOANE_MATERNITY_HOSPITAL%2C_TENTH_AVENUE_AND_WEST_59TH_STREET.jpg https://commons.wikimedia.org/wiki/File%3ATyphoid_fever%3B_its_causation%2C_transmission_and_prevention_(1908)_(14740561216).jpg https://commons.wikimedia.org/wiki/File%3AOyster-bay-map.gif
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Immortal Cells Turn 96
 
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The world has a lot to thank Henrietta Lacks for, and yet many do not know what she has contributed. From helping to create the polio vaccine to the study of radiation, Henrietta and her HeLa cells have changed the world. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kathy & Tim Philip, Kevin Bealer, Andreas Heydeck, Thomas J., Accalia Elementia, Will and Sonja Marple. James Harshaw, Justin Lentz, Chris Peters, Bader AlGhamdi, Benny, Tim Curwick, Philippe von Bergen, Patrick Merrithew, Fatima Iqbal, Mark Terrio-Cameron, Patrick D. Ashmore, and charles george. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://science.howstuffworks.com/life/cellular-microscopic/hela-cell.htm http://www.smithsonianmag.com/ist/?next=/science-nature/henrietta-lacks-immortal-cells-6421299/ http://www.thenakedscientists.com/HTML/questions/question/3577/ http://www.hiccc.columbia.edu/news/what-makes-cancer-cell-immortal http://henriettalacksfoundation.org/ http://www.biography.com/people/henrietta-lacks-21366671 http://rebeccaskloot.com/the-immortal-life/ http://www.nbcnews.com/health/nih-finally-makes-good-henrietta-lacks-family-its-about-time-6C10867941 http://www.radiolab.org/story/91716-henriettas-tumor/ http://www.npr.org/2010/02/02/123232331/henrietta-lacks-a-donors-immortal-legacy http://www.nature.com/news/deal-done-over-hela-cell-line-1.13511 http://berkeleysciencereview.com/article/good-bad-hela/ http://listverse.com/2016/04/09/10-amazing-facts-about-the-immortal-cells-of-henrietta-lacks/ http://www.washington.edu/news/2013/08/07/uw-researchers-report-on-genome-of-aggressive-cervical-cancer-that-killed-henrietta-lacks/ https://www.sciencenews.org/article/hela-genome-offers-clues-cells%E2%80%99-cancerous-nature http://www.popsci.com/science/article/2010-01/five-reasons-henrietta-lacks-most-important-woman-medical-history http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4458465/ Images: HeLa Cells: https://commons.wikimedia.org/wiki/File:HeLa-I.jpg https://commons.wikimedia.org/wiki/File:HeLa_Cells_Image_3709-PH.jpg Johns Hopkins Hospital: https://commons.wikimedia.org/wiki/File:Johns_Hopkins_Hospital.jpg Rhesus Monkey: https://commons.wikimedia.org/wiki/File:Macaca_mulatta_in_Guiyang.jpg Jonas Salk: https://commons.wikimedia.org/wiki/File:Dr_Jonas_Edward_Salk,_creator_of_Salk_polio_vaccine,_at_Copenhagen_Airport.jpg
Просмотров: 483793 SciShow
Neanderthals: Smarter Than You Think
 
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You have more in common with a Neanderthal than you might think. Michael Aranda explains our latest finds in this episode of SciShow! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Linnea Boyev, Tomasz Jonarski, Chris Peters, Philippe von Bergen, Will and Sonja Marple, and Mark Terrio-Cameron. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://humanorigins.si.edu/evidence/human-fossils/species/homo-neanderthalensis http://www.sciencedirect.com/science/article/pii/S0960982207020659#aff1 http://mbe.oxfordjournals.org/content/30/4/844.long http://www.slate.com/blogs/quora/2013/09/22/how_complex_was_neanderthal_speech.html http://journal.frontiersin.org/article/10.3389/fpsyg.2013.00397/full http://io9.gizmodo.com/early-humans-may-have-ripped-off-neanderthal-technology-1120926300 http://www.academia.edu/2701094/Neanderthal_Cognitive_Ability_and_Technological_Development http://www.pbs.org/wgbh/nova/evolution/defy-stereotypes.html http://www.bbc.com/news/science-environment-25465102 http://www.nature.com/news/neanderthal-culture-old-masters-1.12974 http://www.pnas.org/content/110/35/14186.full http://www.pbs.org/wgbh/nova/evolution/are-neanderthals-human.html
Просмотров: 397441 SciShow
What Is Taurine and Why's It in My Energy Drink?
 
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Energy drinks- you've had them, or at least you're well aware of their presence in today's culture. But what is actually in these things? Especially the mysterious ingredient TAURINE? Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kathy & Tim Philip, Kevin Bealer, Andreas Heydeck, Thomas J., Accalia Elementia, Will and Sonja Marple. James Harshaw, Justin Lentz, Chris Peters, Bader AlGhamdi, Benny, Tim Curwick, Philippe von Bergen, Patrick Merrithew, Fatima Iqbal, Mark Terrio-Cameron, Patrick D. Ashmore, and charles george. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://pubchem.ncbi.nlm.nih.gov/compound/taurine#section=Top http://www.mayoclinic.org/healthy-lifestyle/nutrition-and-healthy-eating/expert-answers/taurine/faq-20058177 http://www.webmd.com/vitamins-supplements/ingredientmono-1024-taurine.aspx?activeingredientid=1024& http://www.medscape.com/viewarticle/804080 * http://www.livestrong.com/article/209796-how-does-taurine-work-in-the-body/ http://www.menshealth.com/nutrition/energy-drink-ingredients http://www.news.cornell.edu/stories/2008/02/scientists-close-taurines-activity-brain http://science.howstuffworks.com/innovation/edible-innovations/energy-drink.htm http://physrev.physiology.org/content/72/1/101.long http://www.ncbi.nlm.nih.gov/pubmed/23392882 http://www.ncbi.nlm.nih.gov/pubmed/27163699 http://www.ncbi.nlm.nih.gov/pubmed/22819803 http://jissn.biomedcentral.com/articles/10.1186/1550-2783-10-1 IMAGES: https://commons.wikimedia.org/wiki/File%3AMonster_Energy_drink_supplement_facts.jpg https://commons.wikimedia.org/wiki/File%3ABenno_Adam_Stier.jpg https://commons.wikimedia.org/wiki/File%3ALos_Angeles_(California%2C_USA)%2C_Shop%2C_South_Olive_Street_--_2012_--_2_--_cropped.jpg
Просмотров: 645697 SciShow
Cryonics: Could We Really Bring People Back to Life?
 
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You put a dying person in suspended animation until, possibly thousands of years from now, medical science is able to cure them... or their brain can be put in a sweet robot body. It's an age-old sci-fi trope, but there are scientists out there working on making cryonics a reality! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kathy & Tim Philip, Kevin Bealer, Andreas Heydeck, Thomas J., Accalia Elementia, Will and Sonja Marple. James Harshaw, Justin Lentz, Chris Peters, Bader AlGhamdi, Benny, Tim Curwick, Philippe von Bergen, Patrick Merrithew, Fatima Iqbal, Mark Terrio-Cameron, Patrick D. Ashmore, and charles george. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.ncbi.nlm.nih.gov/pubmed/2249453 http://www.alcor.org/procedures.html http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4620520/ http://www.ncbi.nlm.nih.gov/pubmed/15094092?dopt=Abstract http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2781097/ http://www.advancedfertility.com/cryo.htm http://www.nytimes.com/2015/09/13/us/cancer-immortality-cryogenics.html?_r=0
Просмотров: 429608 SciShow
Why Do I Get Dark Circles Under My Eyes?
 
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Look alive, you! Today we’re diving into the science behind dark circles under your eyes, and all the things that might cause them – tiredness included. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kevin Bealer, Justin Lentz, Mark Terrio-Cameron, Patrick Merrithew, Accalia Elementia, Fatima Iqbal, Benny, Kyle Anderson, Mike Frayn, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Chris Peters, Kathy Philip, Patrick D. Ashmore, Thomas J., charles george, and Bader AlGhamdi. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://onlinelibrary.wiley.com/doi/10.1111/j.1524-4725.2009.01213.x/full http://www.mayoclinic.org/symptoms/dark-circles-under-eyes/basics/causes/sym-20050624 http://jddonline.com/articles/dermatology/S1545961613P0154X/1 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3969674/ http://www.thenakedscientists.com/HTML/questions/question/2986/ http://cpj.sagepub.com/content/5/11/655.extract http://www.mayoclinic.org/diseases-conditions/bags-under-eyes/in-depth/health-tip/art-20048799
Просмотров: 732712 SciShow
Why Do We Sneeze?
 
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Everyone does it, but why? In this episode of SciShow Quick Questions you get the answers! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Fatima Iqbal, Linnea Boyev, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Chris Peters, and Philippe von Bergen. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources:http://www.ncbi.nlm.nih.gov/pubmed/22516297 http://news.nationalgeographic.com/news/2012/08/120814-why-do-we-sneeze-health-science-sinusitis/ http://www.everydayhealth.com/allergy-pictures/why-we-sneeze-and-other-fun-facts-about-sneezing.aspx#02 http://www.huffingtonpost.com/2014/03/14/sneezing-facts-didnt-know_n_4936611.html http://www.scientificamerican.com/article/why-do-we-sneeze/ http://www.popsci.com/why-do-most-people-usually-sneeze-twos-or-threes-and-fours http://scienceline.org/2008/01/ask-hadhazy-sneeze/ http://www.smithsonianmag.com/smithsonian-institution/ask-smithsonian-why-do-we-sneeze-180957634/?no-ist
Просмотров: 460325 SciShow
Should You Use Hydrogen Peroxide to Clean Wounds?
 
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Hydrogen Peroxide: It fizzes, it stings, but does it actually do you any good? Find out on this week's Quick Question! Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Fatima Iqbal, Linnea Boyev, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Chris Peters, and Philippe von Bergen. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources:
Просмотров: 697596 SciShow
The Strange Blue Glow That Saved Lives
 
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Back in 1862, soldiers fighting in the American Civil War noticed a strange blue glow on their wounds. It took a couple of High School students to figure out what it was. We've been nominated for a Webby! Please vote: http://tinyurl.com/sswebby Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Coda Buchanan, Lucy McGlasson, Accalia Elementia, Mark Terrio-Cameron, Saul, Kathy & Tim Philip, Kevin Bealer, Christopher Collins, Thomas J., charles george, Andreas Heydeck, Patrick D. Ashmore, Justin Lentz, Will and Sonja Marple, Ed Shelley, Chris Peters, Tim Curwick, Philippe von Bergen, Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.sciencemuseum.org.uk/broughttolife/techniques/germtheory http://www.civilwar.org/resources/technology-and-casualties-in.html?referrer=https://www.google.com/ http://www.civilwar.org/battlefields/shiloh.html http://mentalfloss.com/article/30380/why-some-civil-war-soldiers-glowed-dark http://sciencenetlinks.com/science-news/science-updates/glowing-wounds/ http://www.promegaconnections.com/angels-glow-bioluminescence-uncovered-on-the-battlefield/ https://microbewiki.kenyon.edu/index.php/Photorhabdus_luminescens Images: https://en.wikipedia.org/wiki/Battle_of_Shiloh#/media/File:Thure_de_Thulstrup_-_Battle_of_Shiloh.jpg https://microbewiki.kenyon.edu/index.php/File:Ahsan1_MMG.jpg https://microbewiki.kenyon.edu/index.php/File:Ahsan2_MMG.jpg https://commons.wikimedia.org/wiki/File:Wounded-in-hospital.png https://commons.wikimedia.org/wiki/Category:Nematoda#/media/File:CSIRO_ScienceImage_2818_Group_of_Nematodes.jpg
Просмотров: 737781 SciShow
Hypercanes: The Next Big Disaster Movie?
 
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Do you ever think of what could cause the next big extinction? How about a super massive tropical storm that sweeps over continents? Hey, it could happen! Check out this SciShow Dose to see how a hypercane would be possible. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Andreas Heydeck, Justin Lentz, Will and Sonja Marple, Benny, Chris Peters, Tim Curwick, Philippe von Bergen, Patrick, Fatima Iqbal, Lucy McGlasson, Mark Terrio-Cameron, Accalia Elementia, Kathy & Tim Philip, charles george, Kevin Bealer, Thomas J., and Patrick D. Ashmore. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://oceanservice.noaa.gov/facts/cyclone.html http://scijinks.jpl.nasa.gov/hurricane/ http://www.hurricanescience.org/science/science/development/ http://www.windows2universe.org/earth/Water/temp.html ftp://texmex.mit.edu/pub/emanuel/PAPERS/hypercane95.pdf http://www.ipsnews.net/2005/09/environment-the-dawn-of-the-hypercane/ http://journals.ametsoc.org/doi/pdf/10.1175/1520-0493(2001)129%3C1704%3AHMIPAP%3E2.0.CO%3B2 ftp://texmex.mit.edu/pub/emanuel/PAPERS/annrevfinal.pdf https://books.google.com/books?id=yRMgYc-8mTIC&pg=PA549#v=onepage&q&f=false http://www.hurricanescience.org/science/science/development/ Images: Hurricane Isabel: https://commons.wikimedia.org/wiki/File:Hurricane_Isabel_from_ISS.jpg Hurricane Floyd: https://commons.wikimedia.org/wiki/File:Hurricane_Floyd_1999-09-14.jpg
Просмотров: 528339 SciShow
Colored Noise, and How It Can Help You Focus
 
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Colors like white, pink and brown aren’t just for clouds, flowers and cows! They also describe special sounds that can actually help you focus and sleep! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kathy & Tim Philip, Kevin Bealer, Andreas Heydeck, Thomas J., Accalia Elementia, Will and Sonja Marple. James Harshaw, Justin Lentz, Chris Peters, Bader AlGhamdi, Benny, Tim Curwick, Philippe von Bergen, Patrick Merrithew, Fatima Iqbal, Mark Terrio-Cameron, Patrick D. Ashmore, and charles george. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.theatlantic.com/science/archive/2016/02/white-noise-sound-colors/462972/ http://www.seventhstring.com/resources/notefrequencies.html http://www.who.int/occupational_health/publications/noise2.pdf https://en.wikipedia.org/wiki/File:White-noise-sound-20sec-mono-44100Hz.ogg http://whatis.techtarget.com/definition/white-noise http://science.howstuffworks.com/question47.htm https://en.wikipedia.org/wiki/File:Pink_noise.ogg http://whatis.techtarget.com/definition/pink-noise https://en.wikipedia.org/wiki/File:Brownnoise.ogg http://www.livescience.com/38547-what-is-brown-noise.html http://www.discovery.com/tv-shows/mythbusters/mythbusters-database/brown-note/ IMAGES: https://commons.wikimedia.org/wiki/File%3ALight_dispersion_conceptual_waves-frame.png
Просмотров: 494659 SciShow
What Are Those Lines on My Nails?
 
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You’ve probably had some. White lines or spots that appear and grow out with your nails. Why does this happen? There are a few reasons, ranging from bumping your nail to poisoning. Check out his Quick Question to see what might apply to you! Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kevin Bealer, Justin Lentz, Mark Terrio-Cameron, Patrick Merrithew, Accalia Elementia, Fatima Iqbal, Benny, Kyle Anderson, Mike Frayn, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Chris Peters, Kathy Philip, Patrick D. Ashmore, Thomas J., charles george, and Bader AlGhamdi. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.ccjm.org/topics/dermatology/single-article-page/evaluation-of-nail-lines-color-and-shape-hold-clues/a5697acf28f315d0d86027095b728ca0.html http://www.everydayhealth.com/skin-and-beauty/beauty/what-your-nails-say-about-you.aspx https://medlineplus.gov/ency/article/003247.htm http://www.aafp.org/afp/2004/0315/p1417.html http://www.jtad.org/2009/1/jtad93101r.pdf http://www.mayoclinic.org/healthy-lifestyle/adult-health/in-depth/nails/art-20044954 https://www.aad.org/media/stats/prevention-and-care/nail-care https://www.aad.org/media/news-releases/pinning-down-the-cause-of-nail-problems-is-the-first-step-to-prevention-finding-solution http://newsnetwork.mayoclinic.org/discussion/fingernails-are-a-window-to-your-health/ https://books.google.com/books?id=ekr4Bt683c8C&pg=PT417 http://www.dermnetnz.org/topics/chronic-arsenic-poisoning https://books.google.com/books?id=PZZZI8YpTxoC&pg=PA152 Images: Mee’s Lines: https://commons.wikimedia.org/wiki/File:Mee%27s_lines.JPG Toe Fungus: https://commons.wikimedia.org/wiki/File:Toefungus.jpg Nail Anatomy Diagram: https://commons.wikimedia.org/wiki/File:Human_nail_anatomy.jpg Nail Matrix: https://commons.wikimedia.org/wiki/File:Blausen_0406_FingerNailAnatomy.png
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Will the Periodic Table Ever Be Complete?
 
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Recently, humanity filled the periodic table up to atomic number 118, which nicely rounds out that row. But are we done yet? Have we discovered all of the different elements? And what is an "island of stability?" Learn about the 4 Newest Elements: https://www.youtube.com/watch?v=h9bzQIsQMAI Learn about Richard Feynman: https://www.youtube.com/watch?v=JIJw3OLB9sI Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Patrick Merrithew, Will and Sonja Marple, Thomas J., Kevin Bealer, Chris Peters, charles george, Kathy & Tim Philip, Tim Curwick, Bader AlGhamdi, Justin Lentz, Patrick D. Ashmore, Mark Terrio-Cameron, Benny, Fatima Iqbal, Accalia Elementia, Kyle Anderson, and Philippe von Bergen. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://pubs.acs.org/doi/pdf/10.1021/ed067p7 http://www.slate.com/articles/health_and_science/science/2016/06/four_elements_will_be_added_to_the_periodic_table_here_s_what_you_need_to.html http://pubs.acs.org/doi/abs/10.1021/ja02218a004 http://www.meta-synthesis.com/webbook/35_pt/JCE_PTs_1934_medium.pdf http://www.smithsonianmag.com/science-nature/when-will-we-reach-end-periodic-table-180957851/?no-ist http://www.rsc.org/chemistryworld/Issues/2010/November/ColumnThecrucible.asp https://books.google.com/books?id=sKwpDAAAQBAJ&pg=PA11 http://www.bbc.com/earth/story/20160115-how-many-more-chemical-elements-are-there-for-us-to-find https://www.superheavies.de/english/research_program/highlights_element_117.htm. Image Sources: https://commons.wikimedia.org/wiki/File:RichardFeynman-PaineMansionWoods1984_copyrightTamikoThiel_bw.jpg
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9 Animals That Will Outlive Us
 
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Lack of food, no sunlight and nuclear disaster might mean the end of the world for humans, but these 9 animals just might make it. We've been nominated for a Webby! Please vote: http://tinyurl.com/sswebby Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Coda Buchanan, Lucy McGlasson, Accalia Elementia, Mark Terrio-Cameron, Saul, Kathy & Tim Philip, Kevin Bealer, Christopher Collins, Thomas J., charles george, Andreas Heydeck, Patrick D. Ashmore, Justin Lentz, Will and Sonja Marple, Ed Shelley, Chris Peters, Tim Curwick, Philippe von Bergen, Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.amnh.org/explore/news-blogs/on-exhibit-posts/the-immortal-jellyfish http://www.ncbi.nlm.nih.gov/pubmed/18484411 http://sciencenordic.com/new-record-world%E2%80%99s-oldest-animal-507-years-old http://blogs.discovermagazine.com/notrocketscience/2008/03/24/bdelloid-rotifers-the-worlds-most-radiation-resistant-animals/#.VuW3DJwrKM_ http://www.sciencemag.org/news/2012/11/bdelloids-surviving-borrowed-dna http://entnemdept.ifas.ufl.edu/walker/ufbir/chapters/chapter_21.shtml http://animaldiversity.org/accounts/Dipodomys_merriami/ http://sdnhm.org/oceanoasis/fieldguide/dipo-mer.html http://www.boston.com/business/articles/2009/12/07/what_is_inside_a_camels_hump/ http://animals.nationalgeographic.com/animals/mammals/dromedary-camel/ http://www.hfsp.org/frontier-science/awardees-articles/living-ice-how-do-polar-fishes-survive-freezing http://www.lastocean.org/Commercial-Fishing/About-Toothfish/All-about-Antarctic-toothfish-__I.2445 http://mentalfloss.com/article/49752/could-cockroaches-really-survive-nuclear-war http://www.madsci.org/posts/archives/2003-12/1072227809.Zo.r.html http://news.nationalgeographic.com/news/2002/10/1028_021028_TVtubeworm_2.html http://www.nytimes.com/2015/09/08/science/the-tardigrade-water-bear.html http://www.asknature.org/strategy/c1eb0f25d3e091f568ce26c0c6f8646fl http://mutage.oxfordjournals.org/content/24/3/259.full https://www.researchgate.net/publication/225549141_A_silent_invasion http://www.nefsc.noaa.gov/publications/tm/tm148/tm148.pdf http://www.ncbi.nlm.nih.gov/pubmed/26079722 Images: https://commons.wikimedia.org/wiki/File%3ADromedary_camel_dahab_egypt.jpg https://commons.wikimedia.org/wiki/File%3ADromedary_camel.jpg https://commons.wikimedia.org/wiki/File%3AChapultepec_Zoo_-_Dromedary_camel.jpg https://commons.wikimedia.org/wiki/File%3ADromedary_Camel_15.jpg https://commons.wikimedia.org/wiki/File%3AMerriam's_Kangaroo_Rat.jpg https://commons.wikimedia.org/wiki/File%3ACataglyphis_bicolor_casent0104612_profile_1.jpg https://commons.wikimedia.org/wiki/File%3ARiftia_tube_worms_Galapagos_2011.jpg https://commons.wikimedia.org/wiki/File%3ADmawsoni_Head_shot.jpg https://commons.wikimedia.org/wiki/File%3AArctica_islandica_1.jpg https://commons.wikimedia.org/wiki/File%3ACyprina1000111.JPG https://commons.wikimedia.org/wiki/File%3ARoachies.JPG https://commons.wikimedia.org/wiki/File%3ABdelloid.JPG https://commons.wikimedia.org/wiki/File%3AGlace05.jpg
Просмотров: 938519 SciShow
Game Theory: The Science of Decision-Making
 
09:50
With up to ten years in prison at stake, will Wanda rat Fred out? Game theory is looking at human interactions through the lens of mathematics. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kevin Bealer, Justin Lentz, Mark Terrio-Cameron, Patrick Merrithew, Accalia Elementia, Fatima Iqbal, Benny, Kyle Anderson, Mike Frayn, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Chris Peters, Kathy Philip, Patrick D. Ashmore, Thomas J., charles george, and Bader AlGhamdi. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.khanacademy.org/economics-finance-domain/microeconomics/nash-equilibrium-tutorial http://levine.sscnet.ucla.edu/general/whatis.htm http://assets.cambridge.org/97805213/61774/sample/9780521361774ws.pdf https://www.youtube.com/watch?v=qcLZMYPdpH4 http://link.springer.com/chapter/10.1007/978-1-349-20181-5_1 http://www.gametheory.net/dictionary/Game.html Image Links: https://en.wikipedia.org/wiki/John_Forbes_Nash_Jr.
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Can Seawater Fix California’s Drought?
 
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How do we make seawater drinkable? And can that technology save California?! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Patrick Merrithew, Will and Sonja Marple, Thomas J., Kevin Bealer, Chris Peters, charles george, Kathy & Tim Philip, Tim Curwick, Bader AlGhamdi, Justin Lentz, Patrick D. Ashmore, Mark Terrio-Cameron, Benny, Fatima Iqbal, Accalia Elementia, Kyle Anderson, and Philippe von Bergen. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://ca.water.usgs.gov/data/drought/ http://ca.water.usgs.gov/data/drought/drought-impact.html http://water.usgs.gov/edu/earthgwlandsubside.html http://kanat.jsc.vsc.edu/student/spatafora/setup.htm http://csmres.co.uk/cs.public.upd/article-downloads/Back-to-basics-with-desalination.pdf http://www.infoplease.com/ipa/A0001801.html http://science.howstuffworks.com/environmental/earth/oceanography/desalination1.htm http://www.waterworld.com/articles/wwi/print/volume-29/issue-5/technology-case-studies/hybrid-desalination-the-best-of-both-worlds.html http://www.desalination.biz/news/0/Worlds-largest-SWRO-desalination-plant-operational/7292/ http://www.worldpumps.com/view/924/focus-on-sea-water-desalination/ http://ww2.kqed.org/science/2015/12/18/why-isnt-desalination-the-answer-to-all-californias-water-problems/ https://news.vice.com/article/heres-why-desalination-wont-help-drought-stricken-california http://www.desalresponsegroup.org/socal.html https://www.theguardian.com/technology/2015/may/27/desalination-quest-quench-worlds-thirst-water http://www.livescience.com/4510-desalination-work.html http://www.abc.net.au/science/expert/realexpert/desalination/01.htm https://www.technologyreview.com/s/534996/megascale-desalination/ http://www.environmentalleader.com/2016/02/26/are-these-technologies-water-desalination-game-changers/ http://www.gizmag.com/sodium-battery-water-desalination/41683/ http://www.rsc.org/chemistryworld/2015/10/carbon-nanotube-cnt-desalination http://thinkprogress.org/climate/2015/07/23/3682598/first-commercial-solar-desalination-plant-in-california/ https://www.technologyreview.com/s/418369/solar-powered-desalination/ http://www.waterboards.ca.gov/water_issues/programs/ocean/desalination/docs/dpr051812.pdf http://www.sidem-desalination.com/Process/MED/ http://cleantechnica.com/2014/02/18/tiny-solar-power-desalination-plant-solves-big-salt-problem/ https://my.nps.edu/documents/105858948/106279825/Russell's+Mid+East+Polciy+art_Jun16/ab27d938-8cf1-4563-8e95-3a7310d51081 http://carlsbaddesal.com/ Images: http://droughtmonitor.unl.edu/ https://commons.wikimedia.org/wiki/File:NRCSCA06135_-_California_(1177)(NRCS_Photo_Gallery).jpg https://commons.wikimedia.org/wiki/File:California_Topography-MEDIUM.png https://commons.wikimedia.org/wiki/File:Multiflash.svg https://commons.wikimedia.org/wiki/File:Carlsbad_desalination_plant3.jpg https://commons.wikimedia.org/wiki/File:Coral_reef_at_palmyra.jpg https://commons.wikimedia.org/wiki/File:Strombus_gigas_Rice_Bay.jpg http://www.nasa.gov/feature/ames/federal-agencies-release-data-showing-california-central-valley-idle-farmland-doubling https://commons.wikimedia.org/wiki/File:Blowing-alkali-dust-Owens-Lake.jpg
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How Do Insects Survive the Winter?
 
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Birds fly south, humans bundle up, but what do insects do to survive the winter? From creating antifreeze-like alcohols to burrowing in the ground, bugs have a few solutions to carry on. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to James Harshaw, Kevin Bealer, Mark Terrio-Cameron, Patrick Merrithew, Accalia Elementia, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Bryce Daifuku, Chris Peters, Kathy Philip, Patrick D. Ashmore, Charles George, Bader AlGhamdi. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.amentsoc.org/insects/fact-files/overwintering.html http://www.businessinsider.com/what-happens-to-insects-in-the-winter-2015-2 http://web.extension.illinois.edu/cfiv/homeowners/071213.html http://www.extension.umn.edu/garden/insects/find/insect-strategies-to-survive-winter/ http://fs.fed.us/wildflowers/pollinators/Monarch_Butterfly/migration/index.shtml http://www.xerces.org/dragonfly-migration/ https://www.amentsoc.org/insects/caresheets/praying-mantids.html Mantis Egg: https://commons.wikimedia.org/wiki/File:Mantis_egg_2005_Spring_001.jpg Wandering Glider: https://commons.wikimedia.org/wiki/File:Wandering_glider_(Pantala_flavescens).JPG Painted Lady: https://commons.wikimedia.org/wiki/File:Butterfly_August_2008-3.jpg Monarch Migration: https://commons.wikimedia.org/wiki/File:MonarchWanderungKlein.gif Monarch Butterfly: https://commons.wikimedia.org/wiki/File:Monarch_butterfly_-_Butterfly_Place_in_Westford,_Massachusetts_(2).jpg Mountain Pine Beetle: https://commons.wikimedia.org/wiki/File:The_mountain_pine_beetle.jpg Pine Beetle Damage: https://commons.wikimedia.org/wiki/File:Mt_Fraser_-_Pine_Beetle_Damage.JPG Emerald Ash Borer: https://commons.wikimedia.org/wiki/File:Emerald_ash_borer_3_-_Flickr_-_USDAgov.jpg Mourning Cloak Butterfly: https://commons.wikimedia.org/wiki/File:Nymphalis_antiopa_(Suruvaippa).jpg
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Why Do We Jump in Our Sleep?
 
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Learn why you may experience jumping in your sleep, and how you can prevent it! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Thomas J., Chris Peters, Tim Curwick, Lucy McGlasson, Andreas Heydeck, Will and Sonja Marple, Mark Terrio-Cameron, Charles George, Christopher Collins, and Patrick D. Ashmore. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- http://www.bbc.com/future/story/20120522-suffer-from-sleep-shudders https://sleep.org/articles/hypnic-jerks/ http://www.businessinsider.com/what-is-a-hypnic-jerk-2014-5 http://nymag.com/thecut/2015/09/why-do-i-jerk-awake-right-as-im-falling-asleep.html http://www.livescience.com/39225-why-people-twitch-falling-asleep.html http://www.nosleeplessnights.com/the-hypnic-jerk-jolted-awake-when-falling-asleep/ http://mentalhealthdaily.com/2015/05/19/what-are-hypnagogic-jerks-twitches-before-sleep/ http://www.howsleepworks.com/how_neurological.html
Просмотров: 1330301 SciShow
How 18th-Century Medicine Killed George Washington
 
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What killed George Washington? Turns out it was probably related to the bloodletting and other 18th-century medicine his doctors applied. Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Fatima Iqbal, Linnea Boyev, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Chris Peters, and Philippe von Bergen. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Hosted by: Hank Green Sources: http://gwpapers.virginia.edu/history/articles/illness/ http://www.mountvernon.org/research-collections/digital-encyclopedia/article/the-death-of-george-washington/ http://www.pbs.org/newshour/updates/dec-14-1799-excruciating-final-hours-president-george-washington/ http://www.medtech.edu/blog/the-history-progression-and-modern-stance-on-bloodletting http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1065003/ http://www.britannica.com/animal/blister-beetle#ref127111 http://www.blood.co.uk/about-blood/how-the-body-replaces-blood/ http://www.nytimes.com/health/guides/disease/epiglottitis/overview.html
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The Deal with Protein
 
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People like to say all kinds of things about protein – like, you need to eat lots of it to build muscle and lose weight. The truth is, the science of protein and how your body uses it is much more complicated than that. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Patrick Merrithew, Will and Sonja Marple, Thomas J., Kevin Bealer, Chris Peters, charles george, Kathy & Tim Philip, Tim Curwick, Bader AlGhamdi, Justin Lentz, Patrick D. Ashmore, Mark Terrio-Cameron, Benny, Fatima Iqbal, Accalia Elementia, Kyle Anderson, and Philippe von Bergen. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.nlm.nih.gov/medlineplus/ency/article/002467.htm http://hyperphysics.phy-astr.gsu.edu/hbase/organic/protein.html https://ghr.nlm.nih.gov/primer/howgeneswork/protein http://hyperphysics.phy-astr.gsu.edu/hbase/organic/essam.html http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2958.1991.tb00722.x/epdf http://www.vivo.colostate.edu/hbooks/pathphys/digestion/pancreas/exocrine.html http://homepages.rpi.edu/~bellos/new_page_2.htm http://www.bioinfo.org.cn/book/biochemistry/chapt21/sim3.htm http://depts.gpc.edu/~decms/ibim/musclesnmustis.htm http://kidshealth.org/en/kids/protein.html http://extension.usu.edu/files/publications/publication/FN_191.pdf http://www.merriam-webster.com/medical/nonessential%20amino%20acid http://www.hchs.edu/sites/default/files/files/Amino%20acids%20article.pdf http://www.ncbi.nlm.nih.gov/pubmed/15302078 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2732256/ https://www.unm.edu/~lkravitz/Article%20folder/hypertrophy.html http://www.ucam.edu/sites/default/files/Oct_13/mechanisms_of_muscle_hypertrophy.pdf http://www.ncbi.nlm.nih.gov/books/NBK9961/
Просмотров: 852037 SciShow
What Causes Growing Pains?
 
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Growing Pains are real, but no one seems to know why exactly kids get them. Learn what we do know here on SciShow Quick Question! Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Fatima Iqbal, Linnea Boyev, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Chris Peters, and Philippe von Bergen. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Hosted by: Michael Aranda Sources: http://www.mayoclinic.org/diseases-conditions/growing-pains/basics/definition/con-20029782 http://www.slate.com/articles/double_x/the_kids/2013/08/growing_pains_in_kids_are_they_real_what_causes_them_and_is_there_any_treatment.html http://www.ncbi.nlm.nih.gov/pubmed/15289780 https://my.clevelandclinic.org/childrens-hospital/health-info/ages-stages/preschool/hic-Growing-Pains http://www.ncbi.nlm.nih.gov/pubmed/19039913 https://www.healthychildren.org/English/health-issues/conditions/orthopedic/pages/Growing-Pains-Are-Normal-Most-Of-The-Time.aspx http://news.psu.edu/story/141240/2007/11/05/research/probing-question-are-childrens-growing-pains-real http://www.ncbi.nlm.nih.gov/pubmed/20171654 http://www.mayoclinic.org/diseases-conditions/osgood-schlatter-disease/basics/definition/con-20021911 https://www.nlm.nih.gov/medlineplus/ency/article/001258.htm
Просмотров: 351832 SciShow
Should You Store Eggs in the Fridge?
 
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Should I refrigerate my eggs or keep them out on the counter? This depends on where you live, and what egg practices your country follows. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kevin Bealer, Justin Lentz, Mark Terrio-Cameron, Patrick Merrithew, Accalia Elementia, Fatima Iqbal, Benny, Kyle Anderson, Mike Frayn, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Chris Peters, Kathy Philip, Patrick D. Ashmore, Thomas J., charles george, and Bader AlGhamdi. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.fda.gov/food/guidanceregulation/guidancedocumentsregulatoryinformation/ucm207507.htm https://www.gov.uk/guidance/eggs-trade-regulations http://onlinelibrary.wiley.com/doi/10.1111/j.1574-6976.2008.00161.x/abstract http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2271858/pdf/epidinfect00027-0066.pdf http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2870917/ http://www.latimes.com/food/dailydish/la-dd-heres-why-we-need-to-refrigerate-eggs-20140714-story.html http://www.forbes.com/sites/nadiaarumugam/2012/10/25/why-american-eggs-would-be-illegal-in-a-british-supermarket-and-vice-versa/3/#37688e90f0da http://io9.gizmodo.com/americans-why-do-you-keep-refrigerating-your-eggs-1465309529 http://www.sciencedirect.com/science/article/pii/S0956713515001103 Images: Salmonella: https://commons.wikimedia.org/wiki/File:SalmonellaNIAID.jpg Vaccination: https://commons.wikimedia.org/wiki/File:Chicken_vaccination.jpg
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What is Restless Leg Syndrome?
 
02:25
We all get a jittery after sitting still for too long. But some people experience an irresistible urge to move their legs, and it can seriously affect their daily lives. We've been nominated for a Webby! Please vote: http://tinyurl.com/sswebby Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Coda Buchanan, Lucy McGlasson, Accalia Elementia, Mark Terrio-Cameron, Saul, Kathy & Tim Philip, Kevin Bealer, Christopher Collins, Thomas J., charles george, Andreas Heydeck, Patrick D. Ashmore, Justin Lentz, Will and Sonja Marple, Ed Shelley, Chris Peters, Tim Curwick, Philippe von Bergen, Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.ninds.nih.gov/disorders/restless_legs/detail_restless_legs.htm http://www.ncbi.nlm.nih.gov/pubmed/26600103 http://www.ncbi.nlm.nih.gov/pubmed/26524584 http://www.movementdisorders.org/MDS/Journals/Clinical-Practice-E-Journal/Movement-D/Movement-Disorders-Clinical-Practice-Volume-1-Issue-3/Iron-in-Restless-Legs-Syndrome.htm http://www.webmd.com/brain/restless-legs-syndrome/restless-legs-syndrome-rls?page=2
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Why Do My Ears Pop?
 
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We’ve all experienced it, that annoying pressure in our head when we’re flying in a plane or a storm front comes in, then it pops! Find out how this popping happens and things to avoid so you don’t harm your ears. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Andreas Heydeck, Justin Lentz, Will and Sonja Marple, Benny, Chris Peters, Tim Curwick, Philippe von Bergen, Patrick, Fatima Iqbal, Lucy McGlasson, Mark Terrio-Cameron, Accalia Elementia, Kathy & Tim Philip, charles george, Kevin Bealer, Thomas J., and Patrick D. Ashmore. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://gizmodo.com/why-your-ears-pop-and-what-to-do-if-they-dont-505598950 http://www.entnet.org/content/ears-and-altitude https://www.nlm.nih.gov/medlineplus/ency/article/001064.htm http://www.neurophys.wisc.edu/h&b/textbook/mid_ear.html http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2346543/ http://emedicine.medscape.com/article/1948907-overview http://emedicine.medscape.com/article/874348-overview http://www.ncbi.nlm.nih.gov/pubmed/9950758 http://archive.rubicon-foundation.org/xmlui/bitstream/handle/123456789/6303/SPUMS_V26N3_6.pdf?sequence=1 Images: Eardrum: https://commons.wikimedia.org/wiki/File:TM_RIGHT_NORMAL.jpg Illustration: https://en.wikipedia.org/wiki/File:Anatomy_of_the_Human_Ear.svg
Просмотров: 383580 SciShow
The Science (and Dangers) of Booze in Humans
 
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Many of us choose to enjoy the effects of alcohol, and we know that drinking too much is a bad thing, but what kinds of things can actually happen when you drink too much for too long? Annotations: The Science of Hangovers https://youtu.be/v4IIFfguf1U Does Alcohol Kill Brain Cells? https://youtu.be/TpgpSIGIczc Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kathy & Tim Philip, Kevin Bealer, Andreas Heydeck, Thomas J., Accalia Elementia, Will and Sonja Marple. James Harshaw, Justin Lentz, Chris Peters, Bader AlGhamdi, Benny, Tim Curwick, Philippe von Bergen, Patrick Merrithew, Fatima Iqbal, Mark Terrio-Cameron, Patrick D. Ashmore, and charles george. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.scientificamerican.com/magazine/sa-classics/intoxicating-the-science-of-alcohol/ http://www.bbc.co.uk/newsbeat/article/30350860/the-science-of-alcohol-how-booze-affects-your-body http://www.nhs.uk/news/2011/10October/Documents/whats_your_poison_1.0.pdf https://sites.duke.edu/apep/module-2-the-abcs-of-intoxication/content-getting-alcohol-to-the-brain-crossing-the-blood-brain-barrier/ http://www.ncbi.nlm.nih.gov/pubmed/15704345 http://pubs.niaaa.nih.gov/publications/AlcoholOverdoseFactsheet/Overdosefact.htm http://science.howstuffworks.com/life/inside-the-mind/human-brain/alcoholism4.htm https://www.nlm.nih.gov/medlineplus/alcoholismandalcoholabuse.html http://www.mayoclinic.org/diseases-conditions/cirrhosis/home/ovc-20187218 https://www.nlm.nih.gov/medlineplus/ency/article/000771.htm http://www.cancer.org/cancer/cancercauses/dietandphysicalactivity/alcohol-use-and-cancer http://www.niaaa.nih.gov/alcohol-health/overview-alcohol-consumption/alcohol-facts-and-statistics https://www.nlm.nih.gov/medlineplus/ency/article/000771.htm https://www.ncbi.nlm.nih.gov/pubmed/20575793 https://www.ncbi.nlm.nih.gov/pubmed/20113871 Images: https://commons.wikimedia.org/wiki/File:Ethanol-3D-balls.png https://commons.wikimedia.org/wiki/File:Acetaldehyde-3D-balls.png https://commons.wikimedia.org/wiki/File:Acetate-anion-3D-balls.png https://commons.wikimedia.org/wiki/File:Blood_Brain_Barriere.jpg https://commons.wikimedia.org/wiki/File:Chemical_synapse_schema_cropped.jpg https://commons.wikimedia.org/wiki/File:GABA_3D_ball.png https://commons.wikimedia.org/wiki/File:L-Glutamic-acid-3D-balls.png https://commons.wikimedia.org/wiki/File:Gray677.png https://commons.wikimedia.org/wiki/File:Prefrontal_cortex_(left)_-_lateral_view.png https://commons.wikimedia.org/wiki/File:Limbic_lobe_animation.gif https://commons.wikimedia.org/wiki/File:Blausen_0114_BrainstemAnatomy.png https://commons.wikimedia.org/wiki/File:Liver_Cirrhosis.png https://commons.wikimedia.org/wiki/File:Circulatory_System_en.svg https://commons.wikimedia.org/wiki/File:Thiamine_cation_3D_ball.png
Просмотров: 456515 SciShow
Why Avocados Shouldn't Exist
 
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The avocado is highly regarded by many people as delicious and nutritious, but the most extraordinary thing about avocados may be their very existence. Annotation Link - Learn More About What Qualifies as a Berry: https://www.youtube.com/watch?v=LybfP... Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Linnea Boyev, Tomasz Jonarski, Chris Peters, Philippe von Bergen, Will and Sonja Marple, and Mark Terrio-Cameron. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.washingtonpost.com/news/wonk/wp/2015/01/22/the-sudden-rise-of-the-avocado-americas-new-favorite-fruit/ http://www.uv.mx/personal/megalindo/files/2010/07/GalindoTovar_325_334_V21.pdf http://www.theguardian.com/lifeandstyle/2015/nov/02/avocados-ripe-ready-evil-geniuses-hooked http://nutritiondata.self.com/facts/fruits-and-fruit-juices/1843/2 http://www.avocadosource.com/CAS_Yearbooks/CAS_57_1973/CAS_1973-74_PG_070-071.pdf http://inhabitat.com/how-to-grow-an-avocado-tree-from-an-avocado-pit/ http://www.amazon.com/The-Ghosts-Evolution-Nonsensical-Anachronisms/dp/0465005527 http://fission.sas.upenn.edu/caterpillar/index.php?action=retrieve&article=Janzen%2C1982anachronisms.pdf Image Credits: https://www.flickr.com/photos/gpeters... https://www.flickr.com/photos/jeffk/3... https://www.flickr.com/photos/jeffrey... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi...
Просмотров: 4411722 SciShow