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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: 1966010 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: 2568410 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: 810758 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: 600243 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: 856165 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: 931052 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: 591073 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: 1420552 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: 444904 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: 545806 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
Просмотров: 493712 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: 333852 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: 869892 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
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Extreme Animal Milks You Probably Don't Want To Drink
 
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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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Why Do I Feel Lightheaded When I Stand Up?
 
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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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What Are Muscle Knots?
 
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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
Просмотров: 835369 SciShow
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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The Science of Getting (and Getting Rid of) a Tattoo
 
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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
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Why Does Water Go Stale Overnight?
 
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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: 1429997 SciShow
Why Do We Stretch in the Morning?
 
02:35
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
Просмотров: 593637 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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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
Просмотров: 404893 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: 639866 SciShow
Stealth: How to Hide a Plane
 
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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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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
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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: 907182 SciShow
The Strange Blue Glow That Saved Lives
 
04:25
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: 735935 SciShow
Can Seawater Fix California’s Drought?
 
04:25
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
Просмотров: 369397 SciShow
Immortal Cells Turn 96
 
04:42
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: 480923 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: 691848 SciShow
Neanderthals: Smarter Than You Think
 
03:59
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: 396387 SciShow
Why Do I Get Dark Circles Under My Eyes?
 
02:26
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: 730147 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.
Просмотров: 1679973 SciShow
What are Scars?
 
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Almost everyone has a scar that tells a story, but have you ever wondered why exactly scars form in the first place? Warning: There are some graphic images of scars in this episode. 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.nhs.uk/conditions/scars/Pages/Introduction.aspx http://www.ncbi.nlm.nih.gov/books/NBK21582/ http://www.news-medical.net/health/What-is-Collagen.aspx http://www.webmd.com/skin-problems-and-treatments/scars http://www.huffingtonpost.com/robert-tornambe-md/scar-treatment-_b_830479.html http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3038392/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2918339/ http://www.aafp.org/afp/2009/0801/p253.html
Просмотров: 461071 SciShow
Why Do We Sneeze?
 
02:33
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: 448688 SciShow
What Are Those Lines on My Nails?
 
02:34
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
Просмотров: 1626853 SciShow
Cryonics: Could We Really Bring People Back to Life?
 
04:22
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
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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
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What is Restless Leg Syndrome?
 
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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
Просмотров: 970531 SciShow
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
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Air Conditioners: Coolest Idea Ever
 
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All humans want to be comfy, but the first air conditioner wasn't built for us--it was for a printing press! This video was made in collaboration with & sponsored by http://www.emerson.com/ilovestem 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://www.google.com/patents/US808897 http://www.theatlantic.com/technology/archive/2011/07/keepin-it-cool-how-the-air-conditioner-made-modern-america/241892/ http://energy.gov/articles/history-air-conditioning http://www.slate.com/articles/arts/culturebox/2011/07/a_history_of_air_conditioning.html http://energyquest.ca.gov/how_it_works/air_conditioner.html http://www.livescience.com/38685-how-air-conditioners-work.html http://www.jstor.org/stable/4468123?seq=1#page_scan_tab_contents http://www.citylab.com/work/2012/06/cities-might-not-exist-without-air-conditioning/2399/ http://www.economist.com/news/international/21569017-artificial-cooling-makes-hot-places-bearablebut-worryingly-high-cost-no-sweat http://content.time.com/time/nation/article/0,8599,2003081,00.html http://www.crh.noaa.gov/images/dtx/web/htwrnssdy_2012.pdf http://www.esrl.noaa.gov/gmd/hats/publictn/elkins/cfcs.html http://energy.gov/eere/articles/energy-department-invests-nearly-8-million-develop-next-generation-hvac-systems
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Vantablack: The Darkest Material Ever Made
 
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Today we're talking about the blackest material ever created! 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://blackholes.stardate.org/resources/faqs/faq.php?p=black-holes-close-to-earth http://www.independent.co.uk/news/science/blackest-is-the-new-black-scientists-have-developed-a-material-so-dark-that-you-cant-see-it-9602504.html https://www.surreynanosystems.com/vantablack/faqs http://www.extremetech.com/extreme/186229-its-like-staring-into-a-black-hole-worlds-darkest-material-will-be-used-to-make-very-stealthy-aircraft-better-telescopes http://www.theguardian.com/artanddesign/shortcuts/2016/feb/29/anish-kapoor-vantablack-paint http://mentalfloss.com/article/77190/6-facts-about-vantablack-darkest-material-ever-made http://www.iflscience.com/technology/new-super-black-material-absorbs-99965-light http://www.marketingmagazine.co.uk/article/1355044/lynx-creates-coated-blackest-material-planet http://www.theguardian.com/fashion/shortcuts/2014/jul/14/vantablack-nanofabric-new-black https://www.surreynanosystems.com/vantablack/science-of-vantablack http://www.deepskywatch.com/Articles/flocking-newtonian.html https://www.surreynanosystems.com/vantablack/applying-vantablack https://www.surreynanosystems.com/about http://www.cnet.com/news/nasas-own-super-black-coating-ventures-into-space/ Images: https://www.surreynanosystems.com/media/images-videos https://commons.wikimedia.org/wiki/File:Vantablack_02.JPG https://youtu.be/CorAjEBOHN4 https://commons.wikimedia.org/wiki/File:PICT0111.JPG http://www.nasa.gov/sites/default/files/img_3332.jpg
Просмотров: 1694994 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: 348834 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...
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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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What If We Killed All the Mosquitoes?
 
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With the Zika virus in the news, some people have wondered why we don't just kill them ALL. 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: History of War against Mosquitoes/DDT http://www.nature.com/news/2010/100721/full/466432a/box/1.html http://www.panna.org/resources/ddt-story http://www.scientificamerican.com/article/ddt-use-to-combat-malaria/ Ecological Impacts http://www.nature.com/news/2010/100721/full/466432a.html http://rspb.royalsocietypublishing.org/content/282/1815/20151549 http://www.fs.fed.us/wildflowers/pollinators/pollinator-of-the-month/aedes_communis.shtml Zika Mosquito http://www.cdc.gov/zika/transmission/index.html http://www.paho.org/hq/index.php?option=com_content&view=article&id=11605&Itemid=0&lang=en RNA Molecular Pesticide (killing) http://www.ncbi.nlm.nih.gov/pubmed/18533434?dopt=Abstract&holding=npg Transgenic Male Mosquitoes -- self-limiting gene, kills offspring (killing) http://journals.plos.org/plosntds/article?id=10.1371/journal.pntd.0003864 http://journals.plos.org/plosntds/article?id=10.1371/journal.pntd.0003999 http://www.reuters.com/article/us-science-insects-gmo-idUSKBN0U000820151217 http://www.oxitec.com/faqs/ Transgenic Mosquitoes -- gene drive, Anopheles (resistance to parasite) http://www.pnas.org/content/112/49/E6736 http://www.latimes.com/science/sciencenow/la-sci-sn-genetically-engineered-mosquitoes-malaria-20151121-story.html http://www.nature.com/news/gene-drive-mosquitoes-engineered-to-fight-malaria-1.18858#/b2 http://www.sciencemag.org/news/2015/11/gene-drive-turns-insects-malaria-fighters Wolbachia -- bacteria infection, Aedes (resistance to virus) http://www.scientificamerican.com/article/how-a-tiny-bacterium-called-wolbachia-could-defeat-dengue/ http://www.eliminatedengue.com/our-research/wolbachia http://www.ncbi.nlm.nih.gov/pubmed/23133693 Wolbachia Parasite Superinfection -- preventing potential viral resistance http://www.eurekalert.org/emb_releases/2016-02/p-wps021116.php https://www.plos.org/wp-content/uploads/2016/02/ppat-12-2-Joubert.pdf Images: https://commons.wikimedia.org/wiki/File:Aedes_aegypti_CDC-Gathany.jpg https://commons.wikimedia.org/wiki/File:Anopheles_stephensi.jpeg https://commons.wikimedia.org/wiki/File:Wolbachia.png https://commons.wikimedia.org/wiki/File:Skeetlrg.gif https://en.wikipedia.org/wiki/File:DDT_Powder.jpg
Просмотров: 4127470 SciShow
Why Can Mosquitoes Transmit Zika, But Not the Flu?
 
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Mosquitoes transmit a number of terrible diseases like malaria, West Nile virus, and the Zika virus, but why not the flu? 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://cmr.asm.org/content/18/4/608.full https://www.niaid.nih.gov/topics/Malaria/Pages/lifecycle.aspx http://www.who.int/features/qa/10/en/ http://www.mosquito.org/mosquito-borne-diseases http://www.cdc.gov/zika/about/index.html
Просмотров: 266828 SciShow
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
Просмотров: 603497 SciShow
Retroviruses: Microbial Supervillains
 
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Forget your Hans Grubers, Lord Voldemorts, and Hannibal Lecters. It’s time to meet some real supervillains. They’re called retroviruses, and they actually change their host cell’s DNA. 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: http://www.wisegeek.com/what-are-retroviruses.htm http://science.howstuffworks.com/life/cellular-microscopic/virus-human1.htm http://www.niaid.nih.gov/topics/HIVAIDS/Understanding/howHIVCausesAIDS/Pages/howhiv.aspx https://aidsinfo.nih.gov/education-materials/fact-sheets/19/73/the-hiv-life-cycle http://users.rcn.com/jkimball.ma.ultranet/BiologyPages/R/Retroviruses.html https://www.ncbi.nlm.nih.gov/books/NBK19382/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3758183/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1187282/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3636489/ http://www.genetherapynet.com/viral-vector/retroviruses.html
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