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Videos uploaded by user “SciShow” for the 2016
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
Views: 2396870 SciShow
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
Views: 1910669 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
Views: 1404979 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
Views: 888154 SciShow
Extreme Animal Milks You Probably Don't Want To Drink
 
04:29
All mammals produce milk, but you probably wouldn't want to dip your cookies in all of them. Annotation: Milk, and the Mutants That Love It https://youtu.be/ecZbhf96W9k Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Linnea Boyev, Tomasz Jonarski, Chris Peters, Philippe von Bergen, Will and Sonja Marple, and Mark Terrio-Cameron. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: https://www.midwestdairy.com/farm-lif... http://www.ansc.purdue.edu/faen/dairy... http://www.ncbi.nlm.nih.gov/pubmed/39... https://www.researchgate.net/publicat... http://www.who.int/nutrition/topics/i... http://www.britannica.com/topic/dairy... http://www.britannica.com/topic/milk http://www.smithsonianmag.com/science... http://www.ncbi.nlm.nih.gov/pubmed/39... http://eol.org/info/mammals http://animals.howstuffworks.com/anim... Images: https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi... https://commons.wikimedia.org/wiki/Fi...
Views: 970695 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
Views: 752905 SciShow
What Really Happened with Typhoid Mary?
 
04:03
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
Views: 394611 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
Views: 593820 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
Views: 790606 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/
Views: 537026 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
Views: 431891 SciShow
Why Do I Feel Lightheaded When I Stand Up?
 
02:23
Have you ever stood up and felt a bit dizzy and lightheaded? Learn why it happens in this SciShow Quick Question! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Accalia Elementia, Kathy & Tim Philip, Kevin Bealer, Justin Lentz, Fatima Iqbal, Linnea Boyev, Tomasz Jonarski, Chris Peters, Philippe von Bergen, Will and Sonja Marple, and Mark Terrio-Cameron. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Links to Other Videos: https://www.youtube.com/watch?v=GvvH9gd1Njk Sources: http://www.mayoclinic.org/diseases-conditions/low-blood-pressure/basics/definition/con-20032298 http://www.aafp.org/afp/2003/1215/p2393.html http://www.medicinenet.com/orthostatic_hypotension/page2.htm#what_is_orthostatic_hypotension http://www.webmd.com/a-to-z-guides/hypotension-orthostatic http://www.wisegeekhealth.com/what-is-a-head-rush.htm http://www.heart.org/HEARTORG/Conditions/HighBloodPressure/AboutHighBloodPressure/Understanding-Blood-Pressure-Readings_UCM_301764_Article.jsp#.VsOMLrQ4Gt8
Views: 529453 SciShow
What is Taurine and Why's It in My Energy Drink?
 
02:28
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
Views: 625426 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
Views: 618503 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
Views: 322205 SciShow
What If We Killed All the Mosquitoes?
 
05:01
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
Views: 3917639 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.
Views: 1436213 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
Views: 721617 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:
Views: 860094 SciShow
How 18th-Century Medicine Killed George Washington
 
05:31
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
Views: 713640 SciShow
What Are Muscle Knots?
 
02:25
Muscle knots: more mysterious than you think! Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Chris Peters, Philippe von Bergen, Fatima Iqbal, John Murrin, Linnea Boyev, and Kathy & Tim Philip. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow Or help support us by becoming our patron on Patreon: https://www.patreon.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow Sources: http://well.blogs.nytimes.com/2015/07/13/experts-divided-on-makeup-and-treatment-of-muscle-knots/ http://www.ncbi.nlm.nih.gov/pubmed/25603753 http://www.ncbi.nlm.nih.gov/pubmed/25477053 http://www.utc.fr/~sbensamo/pdf/11_Chen_YAPMR53086.pdf
Views: 814482 SciShow
Should You Use Hydrogen Peroxide to Clean Wounds?
 
02:11
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:
Views: 677011 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
Views: 1612917 SciShow
Vantablack: The Darkest Material Ever Made
 
03:53
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
Views: 1670183 SciShow
What Happens When You Hold Your Pee?
 
02:41
Can holding your pee be bad for you? Learn about your bladder in this Quick Question with Michael Aranda! Hosted by: Michael Aranda Learn more about sphincters: https://www.youtube.com/watch?v=gtLO9rpXV0g Learn more about Tycho Brahe: https://www.youtube.com/watch?v=H4tZ9tyd_MM ---------- 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://health.howstuffworks.com/human-body/systems/kidney-urinary/hold-pee-so-long-bladder-ruptures.htm http://www.businessinsider.com/how-long-can-you-go-without-peeing-2013-9 http://www.hopkinsmedicine.org/healthlibrary/conditions/kidney_and_urinary_system_disorders/bladder_and_bowel_dysfunction_134,113/ http://www.niddk.nih.gov/health-information/health-topics/urologic-disease/urinary-retention/Pages/facts.aspx http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2072017/ http://www.ncbi.nlm.nih.gov/pubmed/14968223 http://www.ncbi.nlm.nih.gov/pubmed/7881962 http://www.ncbi.nlm.nih.gov/pubmed/3448811
Views: 2342282 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...
Views: 587340 SciShow
Why Do We Get Freckles?
 
02:35
Your parents may have told you that every freckle on your face was a kiss from an angel, but SciShow is here to ruin that delusion for 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 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/2071942 http://www.ncbi.nlm.nih.gov/pubmed/25155575 https://ghr.nlm.nih.gov/gene/MC1R http://genetics.thetech.org/ask/ask195 http://www.medicinenet.com/freckles/article.htm http://www.livescience.com/32478-why-do-we-get-freckles.html
Views: 665255 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
Views: 472557 SciShow
The Science of Getting (and Getting Rid of) a Tattoo
 
03:51
Why are tattoos permanent? How do you deliver the ink? And how do you remove a tattoo if you no longer want it? Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—we couldn't make SciShow without them! Shout out to Bella Nash, Kevin Bealer, Mark Terrio-Cameron, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.pewsocialtrends.org/files/2010/10/millennials-confident-connected-open-to-change.pdf http://www.popsci.com/science/article/2013-06/fyi-what-makes-tattoos-permanent http://www.merckmanuals.com/home/skin-disorders/biology-of-the-skin/structure-and-function-of-the-skin http://www.fda.gov/ForConsumers/ConsumerUpdates/ucm048919.htm https://www.washingtonpost.com/news/speaking-of-science/wp/2015/07/28/all-the-science-that-goes-into-a-single-tattoo/ http://www.thelancet.com/journals/lanonc/article/PIIS1470-2045(11)70340-0/abstract http://www.westlakedermatology.com/blog/9-factors-that-determine-tattoo-removal-success/ http://www.jcasonline.com/article.asp?issn=0974-2077;year=2015;volume=8;issue=1;spage=16;epage=24;aulast=Sardana Image Sources: https://commons.wikimedia.org/wiki/File:Macrophages_undergo_mitosis_after_ingesting_a_fungal_cell.jpg https://commons.wikimedia.org/wiki/File:NIH_3T3.jpg https://commons.wikimedia.org/wiki/File:Laser_Tattoo_Removal_Alice_Pien_MD_AMAskincare.jpg
Views: 314633 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
Views: 730655 SciShow
Will the Periodic Table Ever Be Complete?
 
03:41
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
Views: 540558 SciShow
Why Avocados Shouldn't Exist
 
03:54
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...
Views: 4277434 SciShow
Why Does Water Go Stale Overnight?
 
02:26
You’re going to bed, and you take a sip of cool delicious water, and it’s so refreshing. But, when you wake up and take a swig, that water now tastes like bleh. What’s going on here? Watch this SciShow Quick Question to find out! Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Coda Buchanan, Lucy McGlasson, Accalia Elementia, Mark Terrio-Cameron, Saul, Kathy & Tim Philip, Kevin Bealer, Christopher Collins, Thomas J., charles george, Andreas Heydeck, Patrick D. Ashmore, Justin Lentz, Will and Sonja Marple, Ed Shelley, Chris Peters, Tim Curwick, Philippe von Bergen, Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.chemistry.wustl.edu/~edudev/LabTutorials/Water/PublicWaterSupply/PublicWaterSupply.html http://www.wired.com/2015/08/big-question-tap-water-go-stale-overnight/ http://www.smithsonianmag.com/smart-news/whats-stale-glass-water-180955926/#3qFa1RQ4heTzzcXQ.99 http://www.epa.gov/your-drinking-water/table-regulated-drinking-water-contaminants#one http://time.com/3104999/old-water-sick/
Views: 1411261 SciShow
How Do Blacklights Make Things Glow?
 
02:50
Join Hank Green as he explains why blacklights make some things glow! 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://www.physics.org/article-questions.asp?id=66 http://sciencenotes.org/list-of-things-that-glow-under-black-light/ http://science.howstuffworks.com/innovation/everyday-innovations/black-light.htm https://van.physics.illinois.edu/qa/listing.php?id=1913 http://antoine.frostburg.edu/chem/senese/101/consumer/faq/what-are-fluorescent-compounds.shtml Images: https://commons.wikimedia.org/wiki/File:Eve_Nightclub.jpg https://commons.wikimedia.org/wiki/File:Black_light_bulb.jpg https://commons.wikimedia.org/wiki/File:US_$20_under_blacklight.jpg https://www.flickr.com/photos/tellumo/90141032
Views: 421258 SciShow
Why Does Alcohol Burn When You Drink It?
 
01:47
Why does alcohol cause that burning sensation on its way down? Annotation: Why Does Spicy Taste 'Hot' and Minty Taste 'Cool'? https://youtu.be/gwUN8XK3ZO8 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://jgp.rupress.org/content/125/6/531.full http://www.nature.com/neuro/journal/v5/n6/full/nn852.html http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2775500/ Images: https://en.wikipedia.org/wiki/File:EverclearHiRes.jpg https://commons.wikimedia.org/wiki/File:Ethanol-3D-balls.png https://commons.wikimedia.org/wiki/File:Capsaicin-3D-vdW.png
Views: 1306285 SciShow
3 Misconceptions About Juice Cleanses
 
03:46
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
Views: 555271 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
Views: 427122 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
Views: 421355 SciShow
What is Restless Leg Syndrome?
 
02:25
We all get a jittery after sitting still for too long. But some people experience an irresistible urge to move their legs, and it can seriously affect their daily lives. We've been nominated for a Webby! Please vote: http://tinyurl.com/sswebby Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Coda Buchanan, Lucy McGlasson, Accalia Elementia, Mark Terrio-Cameron, Saul, Kathy & Tim Philip, Kevin Bealer, Christopher Collins, Thomas J., charles george, Andreas Heydeck, Patrick D. Ashmore, Justin Lentz, Will and Sonja Marple, Ed Shelley, Chris Peters, Tim Curwick, Philippe von Bergen, Fatima Iqbal. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.ninds.nih.gov/disorders/restless_legs/detail_restless_legs.htm http://www.ncbi.nlm.nih.gov/pubmed/26600103 http://www.ncbi.nlm.nih.gov/pubmed/26524584 http://www.movementdisorders.org/MDS/Journals/Clinical-Practice-E-Journal/Movement-D/Movement-Disorders-Clinical-Practice-Volume-1-Issue-3/Iron-in-Restless-Legs-Syndrome.htm http://www.webmd.com/brain/restless-legs-syndrome/restless-legs-syndrome-rls?page=2
Views: 940814 SciShow
How Do I Make My Batteries Last Longer?
 
02:46
Do you wait to charge your phones battery until it's close to dying? If you do- surprise! You're doing it wrong. Want more SciShow in person? We'll be at NerdCon: Nerdfighteria in Boston on February 25th and 26th! For more information, go to http://www.nerdconnerdfighteria.com/ 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://arstechnica.com/gadgets/2011/02/ask-ars-what-is-the-best-way-to-use-an-li-ion-battery/ http://www.techrepublic.com/blog/five-apps/five-tips-for-extending-lithium-ion-battery-life/ http://batteryuniversity.com/learn/article/discharge_methods http://www.popularmechanics.com/technology/gadgets/a15731/best-way-to-keep-li-ion-batteries-charged/ https://web.archive.org/web/20090303131745/http://www.duracell.com/oem/rechargeable/Nickel/voltdep.asp http://www.livescience.com/50657-how-batteries-work.html http://batteryuniversity.com/learn/article/how_to_restore_nickel_based_batteries http://batteryuniversity.com/learn/archive/will_the_reusable_alkaline_battery_have_a_future http://www.qrg.northwestern.edu/projects/vss/docs/power/2-how-do-batteries-work.html https://books.google.com/books?id=FVvo7W3Y7wgC&pg=PA38#v=onepage&q&f=false http://batteryuniversity.com/learn/article/how_to_restore_nickel_based_batteries http://batteryuniversity.com/learn/article/charging_lithium_ion_batteries http://batteryuniversity.com/learn/article/how_to_prolong_lithium_based_batteries http://www.howtogeek.com/179486/ask-htg-should-i-store-my-batteries-in-the-fridge/ Images: https://commons.wikimedia.org/wiki/File%3ALeaking_Nopopo_battery_2nd_generation.JPG https://commons.wikimedia.org/wiki/File%3AOpen_refrigerator_with_food_at_night.jpg https://commons.wikimedia.org/wiki/File%3APanasonic%E3%83%96%E3%83%A9%E3%83%B3%E3%83%89%E3%81%AE%E3%82%AB%E3%83%89%E3%83%8B%E3%82%AB%E9%9B%BB%E6%B1%A0.jpg https://commons.wikimedia.org/wiki/File%3AIphone_2.jpg
Views: 570396 SciShow
Why Can the Same Drug Treat Heart Attacks and Anxiety?
 
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Drugs that treat heart failure are also prescribed for anxiety? What's up with that? Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to 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.ncbi.nlm.nih.gov/books/NBK47168/ https://www.drugs.com/drug-class/beta-adrenergic-blocking-agents.html http://www.nature.com/scitable/topicpage/gpcr-14047471 http://www.nhs.uk/Conditions/Beta-blockers/Pages/Introduction.aspx http://www.nimh.nih.gov/health/publications/panic-disorder-when-fear-overwhelms/index.shtml http://www.currentpsychiatry.com/home/article/performance-anxiety-how-to-ease-stage-fright/40ca615e9165e7348a2870639197051c.html https://www.bhf.org.uk/heart-matters-magazine/medical/drug-cabinet/beta-blockers
Views: 229296 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
Views: 1289244 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
Views: 480561 SciShow
Air Conditioners: Coolest Idea Ever
 
04:48
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
Views: 516653 SciShow
Why Do My Ears Pop?
 
02:25
We’ve all experienced it, that annoying pressure in our head when we’re flying in a plane or a storm front comes in, then it pops! Find out how this popping happens and things to avoid so you don’t harm your ears. Hosted by: Michael Aranda ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Andreas Heydeck, Justin Lentz, Will and Sonja Marple, Benny, Chris Peters, Tim Curwick, Philippe von Bergen, Patrick, Fatima Iqbal, Lucy McGlasson, Mark Terrio-Cameron, Accalia Elementia, Kathy & Tim Philip, charles george, Kevin Bealer, Thomas J., and Patrick D. Ashmore. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://gizmodo.com/why-your-ears-pop-and-what-to-do-if-they-dont-505598950 http://www.entnet.org/content/ears-and-altitude https://www.nlm.nih.gov/medlineplus/ency/article/001064.htm http://www.neurophys.wisc.edu/h&b/textbook/mid_ear.html http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2346543/ http://emedicine.medscape.com/article/1948907-overview http://emedicine.medscape.com/article/874348-overview http://www.ncbi.nlm.nih.gov/pubmed/9950758 http://archive.rubicon-foundation.org/xmlui/bitstream/handle/123456789/6303/SPUMS_V26N3_6.pdf?sequence=1 Images: Eardrum: https://commons.wikimedia.org/wiki/File:TM_RIGHT_NORMAL.jpg Illustration: https://en.wikipedia.org/wiki/File:Anatomy_of_the_Human_Ear.svg
Views: 373417 SciShow
Meet the 4 Newest Elements!
 
04:57
Four of the heaviest elements on the periodic table are finally getting names! 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://iupac.org/iupac-is-naming-the-four-new-elements-nihonium-moscovium-tennessine-and-oganesson/ http://www.scientificamerican.com/article/how-do-scientists-detect/ http://www.britannica.com/science/transuranium-element https://www.nde-ed.org/EducationResources/HighSchool/Radiography/stableunstableatoms.htm http://hyperphysics.phy-astr.gsu.edu/hbase/nucene/nucbin.html http://www.physlink.com/education/askexperts/ae565.cfm http://prospect.rsc.org/blogs/cw/2012/09/26/mind-the-gap-plugging-the-hole-at-element-113-maybe/ http://journals.jps.jp/doi/abs/10.1143/JPSJ.73.2593 https://www.newscientist.com/article/dn24119-fresh-evidence-emerges-for-superheavy-element-115/#.UiXc_rxQ0iz http://www.eurekalert.org/pub_releases/2013-08/lu-eon082713.php http://www.uni-mainz.de/presse/17241_ENG_HTML.php https://pls.llnl.gov/research-and-development/nuclear-science/project-highlights/livermorium/element-118 http://journals.aps.org/prc/abstract/10.1103/PhysRevC.74.044602 http://www.rsc.org/chemistryworld/2016/01/beyond-new-elements-periodic-table-eighth-row-island-stability Images: https://commons.wikimedia.org/wiki/File:Large_Hadron_Collider_dipole_magnets_IMG_0955.jpg https://commons.wikimedia.org/wiki/File:HEUraniumC.jpg https://commons.wikimedia.org/wiki/File:Alpha_Decay.svg https://commons.wikimedia.org/wiki/File:Yuri_Oganesyan.png
Views: 788696 SciShow
Why Do Newborn Babies Get Jaundice?
 
02:24
Learn why jaundiced babies have yellowish skin and eyes for the first few days after they're born and how the ancient Greeks thought birds could help cure the affliction (spoiler: they were super wrong). 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:
Views: 267545 SciShow
Why are Insects Attracted to Light?
 
02:35
You know how moths like to fly into lamps or crawl all over your tv screen at night? Why do they do this?! The answer is more complicated than you might think... 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:
Views: 373061 SciShow
Should You Store Eggs in the Fridge?
 
02:36
Should I refrigerate my eggs or keep them out on the counter? This depends on where you live, and what egg practices your country follows. Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Kevin Bealer, Justin Lentz, Mark Terrio-Cameron, Patrick Merrithew, Accalia Elementia, Fatima Iqbal, Benny, Kyle Anderson, Mike Frayn, Tim Curwick, Will and Sonja Marple, Philippe von Bergen, Chris Peters, Kathy Philip, Patrick D. Ashmore, Thomas J., charles george, and Bader AlGhamdi. ---------- Like SciShow? Want to help support us, and also get things to put on your walls, cover your torso and hold your liquids? Check out our awesome products over at DFTBA Records: http://dftba.com/scishow ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://www.fda.gov/food/guidanceregulation/guidancedocumentsregulatoryinformation/ucm207507.htm https://www.gov.uk/guidance/eggs-trade-regulations http://onlinelibrary.wiley.com/doi/10.1111/j.1574-6976.2008.00161.x/abstract http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2271858/pdf/epidinfect00027-0066.pdf http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2870917/ http://www.latimes.com/food/dailydish/la-dd-heres-why-we-need-to-refrigerate-eggs-20140714-story.html http://www.forbes.com/sites/nadiaarumugam/2012/10/25/why-american-eggs-would-be-illegal-in-a-british-supermarket-and-vice-versa/3/#37688e90f0da http://io9.gizmodo.com/americans-why-do-you-keep-refrigerating-your-eggs-1465309529 http://www.sciencedirect.com/science/article/pii/S0956713515001103 Images: Salmonella: https://commons.wikimedia.org/wiki/File:SalmonellaNIAID.jpg Vaccination: https://commons.wikimedia.org/wiki/File:Chicken_vaccination.jpg
Views: 484751 SciShow
Are Multivitamins Really Good For You?
 
02:57
People spend billions of dollars every year trying to boost their health with multivitamins- but are they actually good for you? 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://www.nlm.nih.gov/medlineplus/ency/article/002399.htm https://ods.od.nih.gov/Health_Information/Dietary_Reference_Intakes.aspx http://www.nap.edu/read/9810/chapter/1 http://www.nap.edu/read/10026/chapter/1 http://extension.colostate.edu/topic-areas/nutrition-food-safety-health/water-soluble-vitamins-b-complex-and-vitamin-c-9-312/ http://extension.colostate.edu/topic-areas/nutrition-food-safety-health/fat-soluble-vitamins-a-d-e-and-k-9-315/ http://www.npr.org/sections/health-shots/2013/12/17/251955878/the-case-against-multivitamins-grows-stronger http://www.usatoday.com/story/news/nation/2013/12/16/vitamin-supplements-research/4042037/ Images: https://commons.wikimedia.org/wiki/File%3ABone_hypercalcemia_-_very_high_mag.jpg
Views: 529644 SciShow