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3 Weird Things That Domestication Did to Dogs
 
03:37
There’s a lot we don’t know about how and when dogs were first domesticated. But we do know that the process made dogs very different from their wild cousins, in some unexpected ways. Hosted by: Michael Aranda ---------- 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 subscribing to our page on Subbable: https://subbable.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://journals.plos.org/plosgenetics/article?id=10.1371/journal.pgen.1004016 http://www.genetics.org/content/197/3/795.full http://www.nature.com/nature/journal/v495/n7441/full/nature11837.html http://www.nature.com/news/dog-s-dinner-was-key-to-domestication-1.12280 http://www.nature.com/ng/journal/v39/n10/full/ng2123.html http://www.sciencedaily.com/releases/2014/01/140116190137.htm?utm_source=rss&utm_medium=rss&utm_campaign=genomes-of-modern-dogs-and-wolves-provide-new-insights-on-domestication
Просмотров: 1224470 SciShow
How a Bee Becomes Queen
 
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Royal jelly! For bees, it’s what makes all the difference between a queen and a worker. 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, John Szymakowski, Peso255, Jeremy Peng, Avi Yaschin, and 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 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.acs.org/content/acs/en/pressroom/presspacs/2011/acs-presspac-september-21-2011/queen-bee-or-worker-bee-new-insights-into-famous-honeybee-society-caste-system.html http://pubs.acs.org/doi/abs/10.1021/pr200473a http://pubs.acs.org/doi/abs/10.1021/pr200473a?tokenDomain=presspac&tokenAccess=presspac&forwardService=showFullText&journalCode=jprobs http://blogs.discovermagazine.com/80beats/2011/04/26/what-makes-a-queen-bee-one-special-protein-apparently/#.VXevolzBzGc http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3059907/ http://westernfarmpress.com/management/queen-bees-need-more-royal-jelly http://blogs.nature.com/news/2011/04/honey_bees.html http://www.slate.com/articles/health_and_science/science/2012/11/democracy_in_honeybees_and_other_animals_what_humans_can_learn_from_social.single.html http://www.nature.com/nature/journal/v473/n7348/full/nature10093.html http://usabtm.weburl.ro/utilizatori/ZOOTEHNIE/file/REVISTA%202011/vol%2044/2/BIOCHIM/Barnutiu.pdf https://www.flickr.com/photos/usgsbiml/
Просмотров: 4474806 SciShow
When You Burn Fat, Where Does it Go?
 
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When you burn fat, where does it go? Many people, even some doctors, think it’s just “burned up.” But that’s not possible! Find out where your fat really goes! Hosted by: Michael Aranda ---------- 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 subscribing to our page on Subbable: https://subbable.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 Thanks Tank Tumblr: http://thankstank.tumblr.com Sources: http://www.eurekalert.org/pub_releases/2014-12/uons-wyl121414.php http://hyperphysics.phy-astr.gsu.edu/hbase/biology/metab.html
Просмотров: 1555497 SciShow
Oklo, the Two Billion Year Old Nuclear Reactor
 
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SciShow takes you to a uranium deposit in Africa where, eons ago, a unique set of conditions came together to form the world’s only known natural nuclear reactor. Check it out! No radiation suit required! Hosted by: Hank Green ---------- 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 subscribing to our page on Subbable: https://subbable.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 Thanks Tank Tumblr: http://thankstank.tumblr.com Sources:
Просмотров: 2117603 SciShow
The Real Story of Asbestos
 
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It seemed like a miracle stone, and eventually, the ancient Greeks, Romans, and Egyptians all started using it, too. 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, and 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 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.state.nj.us/health/iep/asbestos_faq.shtml http://www.atsdr.cdc.gov/noa/docs/Asbestos-%20Overview.pdf http://www.nlm.nih.gov/medlineplus/pulmonaryfibrosis.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2304688/?page=2 http://www.jdsupra.com/legalnews/the-occurrence-of-pulmonary-fibrosis-and-86596/ http://www.asbestos-attorney.com/pilot3-2.htm https://books.google.com/books?id=eYHEEWhye94C&pg=PA448&lpg=PA448&dq=asbestos+term+amiantus&source=bl&ots=u_0UmB_3j9&sig=-ICCCplXsorwd4RXC0PJmVe8jtY&hl=en&sa=X&ved=0CDYQ6AEwA2oVChMI1bPvuPfJxwIVxaWICh06Qgfu#v=onepage&q&f=false http://www.newspapers.com/newspage/73561607/
Просмотров: 892567 SciShow
Are You a Supertaster?
 
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Some people have more taste buds than the rest of us. They’re called supertasters, and they can taste things others can’t. Special thanks to our tasters: Matthew Gaydos Lindsey Doe Julia Maes Hank Green Music Credit: "Marty Gots a Plan" Kevin MacLeod (incompetech.com) Licensed under Creative Commons: By Attribution 3.0 http://creativecommons.org/licenses/by/3.0/ Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, John Szymakowski, Fatima Iqbal, Justin Lentz, David Campos, and Chris Peters. ---------- 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.wsj.com/articles/SB10001424127887324392804578362833147151480 http://www.scientificamerican.com/article/super-tasting-science-find-out-if-youre-a-supertaster/ http://www.bbc.co.uk/science/humanbody/body/articles/senses/supertaster.shtml http://www.smithsonianmag.com/science-nature/a-matter-of-taste-180940699/?no-ist http://www.nytimes.com/1997/02/18/science/chocolate-lover-or-broccoli-hater-answer-s-on-the-tip-of-your-tongue.html http://theplate.nationalgeographic.com/2014/09/30/are-you-a-supertaster/ http://udel.edu/~mcdonald/mythptc.html http://learn.genetics.utah.edu/content/inheritance/ptc/ http://faculty.washington.edu/chudler/bitter.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1698869/
Просмотров: 531245 SciShow
Do Plants Get Cancer?
 
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Have you ever seen a tree with a big, twisted knot growing out of it? That’s just one way that plants can show signs of cancer. Quick Questions explains. Hosted by: Hank Green ---------- 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.nature.com/nrc/journal/v10/n11/full/nrc2942.html http://www.huntington.org/uploadedFiles/Files/PDFs/GIB-DoPlantsGetCancer.pdf http://www.nytimes.com/2013/07/16/science/can-plants-get-cancer.html http://www.popsci.com/article/science/ask-anything-do-plants-get-cancer http://forest.mtu.edu/research/hwbuck/hardwood_defects/galls.html Annotations Patreon: https://www.patreon.com/scishow How do fingerprints form?: http://www.youtube.com/watch?v=WZL7OpFq0fw Why we age and how do we stop it: http://www.youtube.com/watch?v=jqCo-McgHLw Merch: http://store.dftba.com/collections/scishow
Просмотров: 632340 SciShow
The Deal with Fat
 
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Dietary science is complicated-- one day something is good for you and the next it's not. Learn what we DO know about fat chemistry in this episode of SciShow. Snatoms Kickstarter IS still going on: https://www.kickstarter.com/projects/veritasium/snatoms-the-magnetic-molecular-modeling-kit Check out SciJoy's complementary video, The Deal with Calories, here: https://www.youtube.com/watch?v=RQcF313iCQE&feature=youtu.be Where Does Some of that Carbon Go?: https://www.youtube.com/watch?v=C8ialLlcdcw Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Chris Peters, Philippe von Bergen, Fatima Iqbal, John Murrin, Linnea Boyev, Justin Lentz, and David Campos. ---------- 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: Trans fats are bad http://www.ncbi.nlm.nih.gov/pubmed/20338284 Fat Nutrition Overview: http://www.health.harvard.edu/staying-healthy/the-truth-about-fats-bad-and-good Monounsaturated vs Polyunsaturated http://www.ncbi.nlm.nih.gov/pubmed/12544660 Essential Fatty Acids: http://lpi.oregonstate.edu/mic/other-nutrients/essential-fatty-acids Low fat diets don’t help: http://www.thelancet.com/journals/landia/article/PIIS2213-8587%2815%2900367-8/abstract Reduction in saturated fat has a small but measurable affect on cardiovascular health: http://www.ncbi.nlm.nih.gov/pubmed/26068959
Просмотров: 955606 SciShow
Why Does Your Stomach Make Noises?
 
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Your digestive system makes weird noises sometimes. You can’t really stop it from happening, but you can find out why it happens in the first place! Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Lentz, John Szymakowski, Ruben Galvao, and Peso255. ---------- 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/digestive/stomach-growling1.htm http://www.businessinsider.com/why-does-my-stomach-growl-2014-8
Просмотров: 846095 SciShow
Metal vs. Bacteria
 
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Even before we knew what bacteria were capable of, we were using certain metals to help fight off their effects.. Hank Green explains how on this episode of SciShow. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Chris Peters, Philippe von Bergen, Fatima Iqbal, John Murrin, Linnea Boyev, Justin Lentz, and David Campos. ---------- 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: Antimicrobial activity of metal: mechanisms, molecular targets and applications (2013) http://www.nature.com/nrmicro/journal/v11/n6/full/nrmicro3028.html Metal-based antibacterial substrates for biomedical applications (2015) http://pubs.acs.org/doi/abs/10.1021/acs.biomac.5b00773 Antimicrobial polymers with metal nanoparticles (2015) http://www.ncbi.nlm.nih.gov/pmc/articles/PMC4307351/ Images: https://en.wikipedia.org/wiki/Edwin_Smith_Papyrus#/media/File:Edwin_Smith_Papyrus_v2.jpg https://simple.wikipedia.org/wiki/Alexander_Fleming#/media/File:Alexander_Fleming_1945.jpg https://en.wikipedia.org/wiki/Silver#/media/File:Silver_crystal.jpg
Просмотров: 1024978 SciShow
Why Do Planes Fly So High?
 
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We’ve all been flying high ever since the development of the jet engine in the mid-1950s. But why were jets were designed to fly at those high altitudes in the first place? Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Chris Peters, John Szymakowski, Peso255, Fatima Iqbal, Justin Lentz, and David Campos. ---------- 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.airliners.net/aviation-forums/tech_ops/read.main/56218/ http://www.decodedscience.com/why-do-jet-airplanes-fly-at-high-altitudes/9815 https://www.grc.nasa.gov/www/k-12/BGP/PAT/Fuel_and_Air2_act.htm https://www.grc.nasa.gov/www/K-12/airplane/lift1.html
Просмотров: 712123 SciShow
The Science of Lewy Body Dementia
 
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This week in SciShow News we dissect what a Lewy Body is and what they are capable of doing. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, David Campos, Chris Peters, Philippe von Bergen, Lilly Grainger, Happy Birthday!!, Fatima Iqbal, and Justin Lentz. ---------- 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: https://theconversation.com/robin-williams-had-dementia-with-lewy-bodies-so-what-is-it-and-why-has-it-been-eclipsed-by-alzheimers-50221 http://www.lbda.org/content/lbda-clarifies-autopsy-report-comedian-robin-williams http://www.lbda.org/content/lewy-who http://www.parkinson.org/understanding-parkinsons/what-is-parkinsons http://www.ihcworld.com/_protocols/general_ICC/staining.htm http://ghr.nlm.nih.gov/gene/SNCA http://www.ncbi.nlm.nih.gov/pubmed/12012571
Просмотров: 347230 SciShow
What Does Your Uvula Do?
 
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Ever wonder what that dangling thing in the back of your throat is good for? 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, David Campos, Chris Peters, Philippe von Bergen, Lilly Grainger, Happy Birthday!!, Fatima Iqbal, and Justin Lentz. ---------- 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: Etymology of “uvula” http://www.etymonline.com/index.php?term=uvula Why do we have a uvula?: literature review and a new theory http://onlinelibrary.wiley.com/doi/10.1111/j.1365-2273.2004.00886.x/abstract Structure of the human uvula http://www.tandfonline.com/doi/abs/10.1080/00016489950180685 A histological comparison of the uvula between snorers and non-snorers http://onlinelibrary.wiley.com/enhanced/doi/10.1111/j.1365-2273.1995.tb01591.x Morphology of the uvula in obstructive sleep apnea http://www.ncbi.nlm.nih.gov/pubmed/2782743
Просмотров: 1416381 SciShow
Why Do I Have to Use a Number 2 Pencil?
 
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Why do exams always tell you to use a number 2 pencil? What happens if you don’t? Quick Questions explains! Hosted by: Michael Aranda ---------- Messages from our Subbable subscribers: “Man, I was really holding out for that lab coat!” - Erik Avalos “Flabbergasted lemmings elegantly circumnavigate unanticipated pandemoniums utilizing transparent aluminium hovercraft.” - Eric Svensson “I thank God for your work, SciShow team!” - Jay J. Atherton “Piret you are awesome and truly good friend” - Stiina Sild “Practice. Don't wait until you are good at something to do it.” - Mike Chaput “Thank you, Kim for my beautiful babies! Go Science!” - Jonathon Dunn “Proud to support SciShow. You should too!” - Sharon Vaughn “Rainy days a perfect!” - Viktorija Zuran “Love you Scott. In our hearts forever ❤ UMW Theatre” - Sam Wilhelm “Don't Forget to Be Awesome.” - Elise Logan ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Lentz, John Szymakowski, Ruben Galvao, and Peso255. ---------- 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-03.ibm.com/ibm/history/ibm100/us/en/icons/testscore/ http://www.todayifoundout.com/index.php/2010/10/why-you-used-to-have-to-use-2-pencils-with-scantron-forms/ http://mentalfloss.com/article/24832/what-makes-2-pencils-so-special http://pencils.com/what-is-a-no-2-pencil/ http://www.howeverythingworks.org/page1.php?QNum=1529
Просмотров: 1268635 SciShow
Lead: The Original Artificial Sweetener
 
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Lead is really useful when you add it to things like paint and gasoline. Problem is, it’s also poisonous. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, John Szymakowski, Fatima Iqbal, Justin Lentz, David Campos, and Chris Peters. ---------- 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.atsdr.cdc.gov/toxfaqs/TF.asp?id=93&tid=22 http://www.thenation.com/article/secret-history-lead?page=0,0 http://www.rsc.org/chemistryworld/News/2007/January/19010702.asp http://www.niehs.nih.gov/health/topics/agents/lead/ http://www.theatlantic.com/features/archive/2014/03/the-toxins-that-threaten-our-brains/284466/ http://www.radford.edu/~wkovarik/ethylwar/IJOEH.pdf http://www.pbs.org/benfranklin/l3_inquiring_medical.html https://books.google.co.nz/books?id=oAAAAAAAMBAJ&pg=PA94&hl=en#v=onepage&q&f=false http://www.slate.com/articles/news_and_politics/explainer/2007/08/why_do_they_put_lead_paint_in_toys.html http://www.ncbi.nlm.nih.gov/pmc/articles/PMC1139187/ http://www.smithsonianmag.com/arts-culture/sugar-of-lead-a-deadly-sweetener-89984487/?no-ist
Просмотров: 721279 SciShow
Plasma, The Most Common Phase of Matter in the Universe
 
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Get to know plasma, the most common, but probably least understood, phase of matter in the universe! Hosted by: Michael Aranda ---------- 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 subscribing to our page on Subbable: https://subbable.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.universetoday.com/84361/plasma/ http://www.scientificamerican.com/article/quotwhat-causes-the-stran/ http://www.plasmacoalition.org/plasma_writeups/lightning.pdf http://ec.europa.eu/research/energy/euratom/index_en.cfm?pg=fusion&section=plasma-physics http://education.jlab.org/qa/plasma_02.html http://science.howstuffworks.com/nature/natural-disasters/lightning.htm http://www.universetoday.com/50734/states-of-matter/ http://home.howstuffworks.com/fluorescent-lamp.htm http://science.howstuffworks.com/environmental/energy/plasma-converter.htm http://csep10.phys.utk.edu/astr162/lect/light/ionization.html Images: http://en.wikipedia.org/wiki/Erasmus_of_Formia#mediaviewer/File:Falkensteiner_Retabel_Drehfl%C3%BCgel_rechts_au%C3%9Fen.jpg http://en.wikipedia.org/wiki/St._Elmo%27s_fire#mediaviewer/File:Elmo%27s_fire-2.jpg http://en.wikipedia.org/wiki/William_Crookes#mediaviewer/File:Sir_William_Crookes_1906.jpg http://commons.wikimedia.org/wiki/File:PSM_V48_D855_Crookes_tubes.jpg http://commons.wikimedia.org/wiki/File:Gerds_plasma.jpg http://en.wikipedia.org/wiki/Star#mediaviewer/File:The_Sun_by_the_Atmospheric_Imaging_Assembly_of_NASA%27s_Solar_Dynamics_Observatory_-_20100819.jpg http://commons.wikimedia.org/wiki/File:Lightning3.jpg
Просмотров: 763788 SciShow
Why Does Cilantro Taste Like Soap?
 
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It's the controversy that plagues dinner tables the world over. Cilantro tastes like soap to some people, but they may not just be picky. It could be genetic. 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, John Szymakowski, Peso255, Jeremy Peng, Avi Yaschin, and 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 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.nature.com/news/soapy-taste-of-coriander-linked-to-genetic-variants-1.11398 http://www.npr.org/sections/thesalt/2012/09/14/161057954/love-to-hate-cilantro-its-in-your-genes-and-maybe-in-your-head http://www.nytimes.com/2010/04/14/dining/14curious.html?_r=0
Просмотров: 689469 SciShow
Why Do Boomerangs Come Back?
 
02:25
Learning to throw a boomerang properly takes a lot of practice. And aerodynamics. ---------- 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, and 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 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://ullagunga.com/UllagungaSampleChapter.pdf http://www.thenakedscientists.com/HTML/questions/question/1827/ http://hyperphysics.phy-astr.gsu.edu/hbase/brng.html#brng4 http://hyperphysics.phy-astr.gsu.edu/hbase/pber.html#airf http://www.popsci.com/article/technology/what-makes-boomerang-come-back
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What Happens When You Faint?
 
02:26
Why do we faint? Because sometimes, your nervous system just doesn’t know what to do with itself. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, John Szymakowski, Fatima Iqbal, Justin Lentz, David Campos, and Chris Peters. ---------- 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://faculty.weber.edu/molpin/healthclasses/1110/bookchapters/stressphysiologychapter.htm http://intermountainhealthcare.org/ext/Dcmnt?ncid=520408204 http://circ.ahajournals.org/content/106/9/1048.full http://circ.ahajournals.org/content/113/16/e715.full http://www.ncemi.org/cse/cse0101.htm http://www.nhs.uk/Conditions/Fainting/Pages/Causes.aspx
Просмотров: 823668 SciShow
Why Do We Have Baby Teeth?
 
02:37
What’s up with baby teeth? Do other animals have them, and what are they good for -- other than squeezing money out of the tooth fairy? We have the answers! Hosted by: Hank Green ---------- 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 subscribing to our page on Subbable: https://subbable.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 Thanks Tank Tumblr: http://thankstank.tumblr.com Sources: http://www.nhm.ac.uk/nature-online/evolution/what-is-the-evidence/morphology/milk-teeth/ http://www.uic.edu/classes/orla/orla312/DeciduousDent.htm http://www.vivo.colostate.edu/hbooks/pathphys/digestion/pregastric/dentalanat.html
Просмотров: 741061 SciShow
Why Is Only Half of My Nose Working?
 
02:49
Ever notice how one side of your nose always seems to be more stuffed than the other? What’s up with that? Quick Questions knows! Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Christopher Prevoe, Justin Ove, John Szymakowski, Peso255, Ruben Galvao, Fatima Iqbal, Justin Lentz, and David Campos. ---------- 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://mentalfloss.com/article/30363/why-does-your-nose-get-stuffy-one-nostril-time http://www.abc.net.au/science/articles/2000/11/01/198395.htm?site=science/greatmomentsinscience http://news.stanford.edu/news/1999/november10/smell-1110.html http://www.emptynosesyndrome.org/turbinate-tutorial/role-of-turbinates-humidification/ http://www.ncbi.nlm.nih.gov/pubmed/23576311
Просмотров: 1550746 SciShow
What's Causing That Stitch in Your Side?
 
02:44
What's the deal with that sharp pain in your side when you're trying to win that marathon? SciShow has the answers! Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Chris Peters, Philippe von Bergen, Fatima Iqbal, John Murrin, Linnea Boyev, Justin Lentz, and David Campos. ---------- 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.ncbi.nlm.nih.gov/pmc/articles/PMC4281377/ http://bjsm.bmj.com/content/37/4/287.full http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2796944/ http://www.businessinsider.com/what-are-side-stitches-2015-2 Images: https://commons.wikimedia.org/wiki/File:Respiratory_system.svg https://commons.wikimedia.org/wiki/File:Gray1035.png
Просмотров: 1779130 SciShow
New Insights Into 'The Mind's Eye'
 
04:29
SciShow explores a newly identified neurological condition, aphantasia, the inability to visualize things in your imagination, and gives tribute to Dr. Oliver Sacks, popular explorer of the human mind. ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, John Szymakowski, Fatima Iqbal, Justin Lentz, David Campos, and Chris Peters. ---------- 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.eurekalert.org/pub_releases/2015-08/uoe-ccs082515.php http://www.exeter.ac.uk/news/featurednews/title_467790_en.html http://www.washingtonpost.com/national/health-science/oliver-sacks-doctor-of-awakenings-and-poet-laureate-of-medicine-dies-at-82/2015/08/30/62ba620c-4f0c-11e5-933e-7d06c647a395_story.html http://www.nytimes.com/2015/02/19/opinion/oliver-sacks-on-learning-he-has-terminal-cancer.html http://www.oliversacks.com/
Просмотров: 467979 SciShow
What Causes Pins and Needles?
 
02:26
Ever wondered what causes that strange tingling feeling? Well, settle in as Quick Questions explains how it works. Just be careful how you sit. 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, and 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 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.ninds.nih.gov/disorders/paresthesia/paresthesia.htm http://mentalfloss.com/article/21035/why-do-limbs-fall-asleep http://www.livescience.com/33727-pins-needles-sensation.html http://www.ncbi.nlm.nih.gov/pubmed/20592403 http://www.betterhealth.vic.gov.au/bhcv2/bhcarticles.nsf/pages/Pins_and_needles http://www.nhs.uk/conditions/Pins-and-needles/Pages/Introduction.aspx
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Does Thinking Hard Burn More Calories?
 
02:28
Your brain uses tons of calories, just in its daily work of keeping you alive. So does thinking extra hard use even MORE calories? QQ fills you in! Hosted by: Hank Green ---------- Messages from our Subbable subscribers: “Michael, always be curious, Love Mom and Dad.” - Jennifer Daniels “Carl Sandburg Junior High STEM students say: Science ROCKS!” - Al Stevenson “na na na na na na na na na Batman!” - Jude Limus "Happy 3 years together Katie :-) Here's for many more" - Lionel Pierson “Greg recommends Alert the Medic - The Phantom Moves” - Greg “Thanks for keeping the world a more educated place SciShow!!” - Collin “Thanks for not forgetting to be awesome, Michelle & Shannon!” - April Ashby “Happy 1st Birthday, Austin!” - April Ashby “My kids love SciShow, keep it gong!” - John Stelling “Science rocks!” - Jordan Hawkins ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Lentz, John Szymakowski, Ruben Galvao, and Peso255. ---------- 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.scientificamerican.com/article/thinking-hard-calories/ http://io9.com/5920970/how-many-calories-does-thinking-burn http://www.popsci.com/scitech/article/2006-07/mental-workout http://www.nytimes.com/2008/09/02/science/02qna.html?_r=0
Просмотров: 413828 SciShow
Why Do Bruises Change Colors?
 
02:24
What happens in your body after you get a bruise? Quick Questions explains! ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Chris Peters, John Szymakowski, Peso255, Fatima Iqbal, Justin Lentz, and David Campos. ---------- 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/skin-care/problems/beauty/bruise.htm http://highered.mheducation.com/novella/MixQuizProcessingServlet http://onlinelibrary.wiley.com/doi/10.1111/j.1939-3938.2009.01028.x/full http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=838400 http://proceedings.spiedigitallibrary.org/proceeding.aspx?articleid=1273666 http://onlinelibrary.wiley.com/doi/10.1002/lsm.20494/abstract http://www.hmdb.ca/metabolites/HMDB01008 https://books.google.com/books?id=BKILM5KWFKwC&pg=PA241 https://books.google.com/books?id=_JdZN69AecoC&pg=RA4-PR1-IA2
Просмотров: 529563 SciShow
What Causes Sunburns?
 
02:34
Why does too much sun turn some people’s skin all red and shiny? Quick Questions explains! ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Chris Peters, John Szymakowski, Peso255, Fatima Iqbal, Justin Lentz, and David Campos. ---------- 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.ncbi.nlm.nih.gov/pmc/articles/PMC3985496/ http://health.howstuffworks.com/skin-care/beauty/sun-care/question637.htm http://health.howstuffworks.com/skin-care/beauty/sun-care/active-ingredients-in-sunscreen.htm http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2564815/ http://health.howstuffworks.com/skin-care/beauty/sun-care/sunscreen.htm http://www.livescience.com/38039-what-causes-sunburns.html
Просмотров: 480621 SciShow
The Leidenfrost Effect: How to Make a Liquid Levitate
 
03:30
In this video Michael Aranda explains what the Leidenfrost Effect is, and how it can cause liquid to 'levitate'. Hosted by: Michael Aranda ---------- 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 subscribing to our page on Subbable: https://subbable.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/2058218 https://books.google.com/books?id=9wmgYl49YQ0C&pg=PA91&lpg=PA91&dq=joh ann+leidenfrost&source=bl&ots=13dysZZkrP&sig=3n1Xj1n6f8omb1OmTcARMV0fL RU&hl=en&sa=X&ei=xunDVPLqMcGmgwShloPoDg&ved=0CDAQ6AEwAzgK#v=one page&q=johann%20leidenfrost&f=false http://pages.uoregon.edu/msiuo/taylor/fractalfiles/Film-Boiling%20Liquids.pdf http://link.aps.org/accepted/10.1103/PhysRevLett.109.074301 http://www.nature.com/srep/2012/121010/srep00720/full/srep00720.html http://www.pmmh.espci.fr/fr/gouttes/Publications_files/Dupeux2014.pdf http://www.epa.gov/rpdweb00/docs/cleanup/nanotechnology/chapter-3-lab-on- a-chip.pdf http://www.bath.ac.uk/news/2013/09/05/leidenfrost-maze/
Просмотров: 747640 SciShow
Why Do Things Look Darker When They're Wet?
 
02:04
It’s kinda embarrassing when you spill stuff on your shirt and it makes a stain. So you might as well understand the science behind it, so at least you can act all smart and explain it to people. Hosted by: Michael Aranda Spill Man: Stefan Chin Angry Mob: Megan Toenyes, Travis Morss, Matt Gaydos, Lou Winkler, Sarah Gullickson, Valerie Barr. ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Christopher Prevoe, Justin Ove, John Szymakowski, Peso255, Ruben Galvao, Fatima Iqbal, Justin Lentz, and David Campos. ---------- 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.quora.com/Why-do-some-things-appear-darker-when-they-get-wet http://www.victoria.ac.nz/scps/about/staff/pdf/darkerwhenwet.pdf
Просмотров: 484190 SciShow
Why Do We Wrinkle When Wet?
 
02:10
Why do your fingers and toes get wrinkly when they’ve been in the water too long? Short answer: Your nerves. Longer answer: Evolution. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Christopher Prevoe, Justin Ove, John Szymakowski, Peso255, Ruben Galvao, Fatima Iqbal, Justin Lentz, and David Campos. ---------- 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:
Просмотров: 1013814 SciShow
Why Does Your Breath Stink in the Morning?
 
01:52
At night, your mouth becomes the perfect home for growing bacteria. Forgive us if we don’t talk to you until after you brush your teeth. ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, John Szymakowski, Peso255, Jeremy Peng, Avi Yaschin, and 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 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://mentalfloss.com/article/51348/what-causes-morning-breath http://www.ncbi.nlm.nih.gov/pmc/articles/PMC373626/ http://esciencecentral.org/journals/role-of-human-lactoferrin-in-oral-diseases-2332-0702.1000e108.php?aid=24826 http://www.ncbi.nlm.nih.gov/pubmed/15222464 https://books.google.com/books?id=cKWEGOzGz7MC&pg=PA22#v=onepage&q&f=false http://www.ncbi.nlm.nih.gov/pubmed/12847442 http://www.scientificamerican.com/article/beat-bad-breath-keep-mouth-bacteria-happy/?page=2
Просмотров: 583710 SciShow
How Do Pandas Exist?
 
04:26
Adorable, sure, but how are you alive?? Giant pandas present a conservation challenge like no other. Find out how the bears eke out an existence in the wild, and why they’re proving so hard to save. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Lentz, John Szymakowski, Ruben Galvao, and Peso255. ---------- 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.popsci.com/science/article/2013-08/how-argue-someone-who-smirkily-says-pandas-deserve-die http://gizmodo.com/5841175/should-we-just-let-pandas-die-off-already http://nationalzoo.si.edu/animals/giantpandas/pandafacts/ http://blogs.discovermagazine.com/d-brief/2014/07/15/how-pandas-survive-on-a-diet-of-only-bamboo/#.VRjG1ZPF9Hg http://news.nationalgeographic.com/news/2011/10/111017-pandas-bamboo-bacteria-plants-meat-bears-animals-science/ http://news.sciencemag.org/biology/2014/07/how-pandas-survive-their-bamboo-only-diet http://www.newyorker.com/magazine/2013/09/02/bears-do-it http://animals.io9.com/giant-panda-breeding-efforts-have-actually-been-really-1614308529 http://www.livescience.com/49596-as-bamboo-forests-fade-can-pandas-survive.html
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The Real Paleo Diet
 
03:18
The paleo diet is becoming more popular, but research suggests its claims aren’t all that scientific. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Lentz, John Szymakowski, Ruben Galvao, and Peso255. ---------- 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://ajcn.nutrition.org/content/71/3/682.full http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2377015/
Просмотров: 564749 SciShow
Why Do People Go Bald?
 
02:40
How does balding work? Why does it happen? And why are men so much more likely to lose their hair than women? Quick Questions has the answers! 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, John Szymakowski, Peso255, Jeremy Peng, Avi Yaschin, and 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 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/wellness/hygiene-tips/bald.htm http://mentalfloss.com/article/54336/what-causes-baldness http://www.nature.com/ng/journal/v40/n11/full/ng.255.html http://www.nature.com/ng/journal/v40/n11/full/ng.228.html http://www.huffingtonpost.com/2014/11/08/hair-loss-baldness-cure_n_6101528.html
Просмотров: 536917 SciShow
How Does Hair Know When to Stop Growing?
 
02:51
The hair on your scalp can get really long, but your leg hair doesn’t sweep the floor. Why not? Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Christopher Prevoe, Justin Ove, John Szymakowski, Peso255, Ruben Galvao, Fatima Iqbal, Justin Lentz, and David Campos. ---------- 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.webmd.com/skin-problems-and-treatments/hair-loss/science-hair?page=2 https://www.aad.org/dermatology-a-to-z/for-kids/about-hair/how-hair-grows http://www.loc.gov/rr/scitech/mysteries/grayhair.html http://physrev.physiology.org/content/81/1/449#ref-533 http://www.livestrong.com/article/109520-eyebrow-growth-rate/ http://stemcells.nih.gov/info/basics/pages/basics1.aspx http://physrev.physiology.org/content/81/1/449#ref-533 http://news.yale.edu/2011/09/01/yale-scientists-find-stem-cells-tell-hair-its-time-grow
Просмотров: 848414 SciShow
Quantum Computing Breakthrough
 
03:58
Quantum physics is weird. But quantum computing could be awesome! Learn how scientists took a big leap this week toward making quantum computers a reality. For a free book from Audible, go to: http://www.audible.com/t1/30DayGoldFT_at?source_code=PDTGB0009PD010214 ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Philippe von Bergen, Chris Peters, Lilly Grainger, Happy Birthday!!, and 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 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.eurekalert.org/pub_releases/2015-10/cp-aso092815.php http://www.livescience.com/39961-chernobyl.html http://www.nuclearflower.com/zone/zone08.html http://animals.nationalgeographic.com.au/animals/mammals/przewalskis-horse/ http://www.eurekalert.org/pub_releases/2015-10/uons-cho100215.php http://whatis.techtarget.com/definition/logic-gate-AND-OR-XOR-NOT-NAND-NOR-and-XNOR https://www.youtube.com/watch?v=g_IaVepNDT4 http://gizmodo.com/worlds-first-silicon-quantum-logic-gate-brings-quantum-1734653115 http://www.sciencealert.com/australian-engineers-have-put-quantum-technology-in-a-silicon-chip-for-the-first-time
Просмотров: 692250 SciShow
How Do My Fingerprints Form?
 
03:04
How do fingerprints form? Even though many people think it’s random, a lot of it has to do with your genes! Hosted by: Hank Green ---------- 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 Annotations: Why Are There Animals on My Face?!: https://www.youtube.com/watch?v=fRQG8C94yJ4&list=UUZYTClx2T1of7BRZ86-8fow Twins x Twins = Twins? https://www.youtube.com/watch?v=f5xroTbYrRw Sources: http://www.pnas.org/content/108/19/7733.full.pdf http://www.scientificamerican.com/article/are-ones-fingerprints-sim/ http://math.arizona.edu/~anewell/publications/Fingerprint_Formation.pdf http://biometrics.cse.msu.edu/Publications/Fingerprint/JainetalTwinFp_PR02.pdf http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0035704 http://www.crime-scene-investigator.net/fingerprintsourcebookchp3.pdf http://www.livescience.com/30-lasting-impression-fingerprints-created.html
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Why Don’t Spiders Stick to Their Webs?
 
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Spiderwebs are designed to trap bug-sized creatures. So how come spiders don’t get stuck? Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, John Szymakowski, Fatima Iqbal, Justin Lentz, David Campos, and Chris Peters. ---------- 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: spider, web, sticky, trap, silk, thread, orb weaver, cocoon, balloon, setae, tarsi, feet, hair, arachnid, coating, sci show, quick question, hank green, science
Просмотров: 350438 SciShow
Why Do Nuclear Bombs Make Mushroom Clouds?
 
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If you’ve ever put your feet up on a warm summer’s day and played “spot the shape in the cloud,” you might’ve seen a kangaroo, a guy preparing to facepalm, maybe a mushroom... On second thought, hopefully not that last one. Hosted by: Michael Aranda ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, Philippe von Bergen, Chris Peters, Lilly Grainger, Happy Birthday!!, and 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 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.deepspace.ucsb.edu/wp-content/uploads/2013/01/Effects-of-Nuclear-Weapons-1977-3rd-edition-complete.pdf Mushroom clouds forming over volcanoes and forest fires: http://www.theguardian.com/news/2012/jul/13/weatherwatch-clouds-atomic-mushroom Pyrocumulus above forest fires http://www.sciencedirect.com/science/article/pii/S1352231012000660 Brief overview of Rayleigh-Taylor instabilities http://www.quora.com/What-is-an-intuitive-explanation-of-the-Rayleigh-Taylor-instability Rayleigh-Taylor instabilities are important in supernovae: http://www.annualreviews.org/doi/full/10.1146/annurev.astro.38.1.191 Video of Rayleigh-Taylor instability with water of different temperatures https://www.youtube.com/watch?v=yabqo7VFTYs Video of Rayleigh-Tayor instability with salt and pure water. https://www.youtube.com/watch?v=NI85oC-3mJ0 General (not primary) resource – University paper http://www.ral.ucar.edu/staff/jvigh/documents/vigh_adjustment_mechanisms.pdf
Просмотров: 540707 SciShow
Why Tomatoes Are Fruits, and Strawberries Aren't Berries
 
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Did you know that bananas are berries, but strawberries aren’t? A lot of thought goes into classifying fruits and vegetables, and it all has to do with anatomy. ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Justin Lentz, David Campos, John Szymakowski, Peso255, Jeremy Peng, Avi Yaschin, and 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 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.resnet.wm.edu/~mcmath/bio205/fruits.html http://science.jburroughs.org/resources/flower/fruit1.html http://aggie-horticulture.tamu.edu/syllabi/422/422lab3.htm http://faculty.valenciacollege.edu/tklenk/botany/labs/fruits.htm http://www.botany.wisc.edu/courses/botany_400/Lab/LabWK03Fruitkey.html https://jb004.k12.sd.us/my%20website%20info/BIOLOGY%202/PLANT%20KINGDOM/FRUIT%20TYPES%20AND%20CLASSIFICATIONS%20HAND-OUT.doc http://waynesword.palomar.edu/fruitid1.htm http://extension.psu.edu/pests/weeds/weed-id/common-dandelion
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Humanity's New Cousin & An Ancient Giant Virus
 
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SciShow News shares two amazing things from the deep past that have been discovered: a new ancient human relative, and a 30,000-year-old giant virus. 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, and 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 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.sci-news.com/othersciences/anthropology/science-homo-naledi-03224.html https://www.washingtonpost.com/news/speaking-of-science/wp/2015/09/10/q-a-new-relative-of-human-species-discovered-in-south-africa/ http://time.com/4029312/how-human-is-homo-naledi/ http://www.theatlantic.com/health/archive/2015/09/homo-naledi-rising-star-cave-hominin/404362/ http://voices.nationalgeographic.com/2013/11/06/expedition-underway-to-extract-latest-fossil-find-from-cradle-of-humankind-cave/ https://en.wikipedia.org/wiki/Homo https://www.washingtonpost.com/news/speaking-of-science/wp/2015/09/09/an-ancient-giant-virus-was-just-uncovered-in-melting-ice-and-it-wont-be-the-last/?tid=themost_item_3 http://www.pnas.org/content/early/2015/09/02/1510795112 http://hivinsite.ucsf.edu/InSite?page=kb-00&doc=kb-02-01-02 http://www.nature.com/news/giant-virus-resurrected-from-30-000-year-old-ice-1.14801
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Could We Destroy the Earth?
 
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There are a lot of nuclear weapons on Earth, so many that we often say it’s enough to “destroy the world several times over.” But could we? Well, that depends on what you mean. Also...no matter what you mean, probably not. The Earth is pretty sturdy and people are pretty good at surviving and even after all this time and technology, our biggest weapons are pretty puny on a universal scale. ---------- Messages from our Subbable Subscribers To SciShow: DO EPISODES EXPLAINING REALY GOOD MATH TECHNIQUES !!! - Aaron Schwartz Hey best friend, I love you. - Justice Hitchcock I love Milly Fox and look up to Adam Savage. - Miles from Sydney, AUS I love you, Nicholas. - Marisse M. Go Science!!! - Claire Don't Forget To Be Awesome means Don't Stop Believing ;) #Glee - monacolonia This time that we had I will hold forever! #Glee - monacolonia Live long and prosper. - Christie Nel ---------- 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, and 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 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: TNT Equivalence http://www.nucleardarkness.org/globalnucleararsenal/globalarsenalgraphic/ Nuclear Winter: http://www.wunderground.com/resources/climate/nuke.asp http://www.ncbi.nlm.nih.gov/pubmed/17773320 Krakatoa: http://www.livescience.com/28186-krakatoa.html http://www.bom.gov.au/tsunami/history/1883.shtml Firestorms: http://www.atomicarchive.com/Effects/effects11.shtml
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The Worst Nobel Prize Ever Awarded
 
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SciShow explores the grim story of the lobotomy, the medical procedure that earned its inventor perhaps the most regrettable Nobel Prize in history. Hosted by: Michael Aranda ---------- 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 subscribing to our page on Subbable: https://subbable.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.pbs.org/wgbh/aso/databank/entries/dh35lo.html http://www.sciencedirect.com.weblib.lib.umt.edu:8080/science/article/pii/S1045187003700296 http://ibro.info/wp-content/uploads/2012/12/Fulton-John-Faquhar.pdf http://www.nobelprize.org/nobel_prizes/medicine/laureates/1949/moniz-article.html http://lobotomy.umwblogs.org/the-begining/ http://www.gesnerus.ch/fileadmin/media/pdf/2005_1-2/077-101_Kotowicz.pdf
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Why are we Ticklish?
 
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What’s up with ticklishness? And are other animals ticklish, too? Quick Questions has the answers! Hosted by: Hank Green ---------- 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 subscribing to our page on Subbable: https://subbable.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 Thanks Tank Tumblr: http://thankstank.tumblr.com Sources: http://www.americanscientist.org/my_amsci/restricted.aspx?act=pdf&id=3098542719473 http://www.ncbi.nlm.nih.gov/pubmed/14699372
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The Quest for Glueballs
 
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The quantum world is weird. Today we're looking at a strange particle called a glueball that contains no matter...they're made of pure force! https://www.kickstarter.com/projects/veritasium/snatoms-the-magnetic-molecular-modeling-kit Annotations: Higgs Boson Discovery! We think?: https://youtu.be/sb8mPtdARMk Fundamental Forces of Physics Playlist: https://www.youtube.com/playlist?list=PLsNB4peY6C6JDc1HcVKjjYzVB0BYEXexd Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Chris Peters, Philippe von Bergen, Fatima Iqbal, John Murrin, Linnea Boyev, Justin Lentz, and David Campos. ---------- 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.tuwien.ac.at/en/news/news_detail/article/9706/ http://journals.aps.org/prl/abstract/10.1103/PhysRevLett.115.131601 http://www4.hcmut.edu.vn/~huynhqlinh/olympicvl/tailieu/physlink_askexpert/ae607.cfm.htm http://www.wisegeek.com/what-is-a-gluon.htm http://home.cern/about/physics/standard-model http://www.particleadventure.org/color.html http://arstechnica.com/science/2015/10/missing-glueballs-are-sticky-problem-for-particle-physics/ http://www.livescience.com/52558-glueballs-potentially-found-lhc.html http://phys.org/news/2015-10-particle-purely-nuclear.html http://www.sciencedaily.com/releases/2015/10/151013103227.htm http://www.gluex.org/GlueX/Home.html http://www.fair-center.eu/public/experiment-program/antiproton-physics/panda.html http://www.tandfonline.com/doi/abs/10.1080/01422418308242491 http://webs.morningside.edu/slaven/Physics/atom/atom2.html http://www.physlink.com/Education/AskExperts/ae565.cfm http://newscenter.lbl.gov/2005/10/27/closing-in-on-the-elusive-glueball/ http://motherboard.vice.com/read/there-is-growing-evidence-that-our-universe-is-a-giant-hologram http://www.whillyard.com/science-pages/holographic.html http://www.actaphys.uj.edu.pl/_cur/store/sup8/pdf/s8p0289.pdf Images: https://commons.wikimedia.org/wiki/File:CERN_LHC_Tunnel1.jpg https://en.wikipedia.org/wiki/File:Nucleus_drawing.svg https://commons.wikimedia.org/wiki/File:Pine_tree_trunk.jpg https://commons.wikimedia.org/wiki/File:CERN_Control_Center.jpg
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How the Vitamins Got Their Names
 
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The list of vitamins can be kind of confusing, what with all those B vitamins and a random K thrown in. But every name has its story. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Christopher Prevoe, Justin Ove, John Szymakowski, Peso255, Ruben Galvao, Fatima Iqbal, Justin Lentz, and David Campos. ---------- 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: https://books.google.com/books?id=1CMHiWum0Y4C http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3593520/ http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2236198/ http://onwisconsin.uwalumni.com/features/the-birth-of-vitamin-a/ http://www.ncbi.nlm.nih.gov/pubmed/23183299 http://www.clinchem.org/content/43/4/680.long http://www.nlm.nih.gov/medlineplus/druginfo/natural/983.html
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Why Am I Upside-Down When I Look in a Spoon?
 
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We’d like to know why you’re staring at yourself in a spoon in the first place. But we can at least answer the question of why you look upside-down when you do. Hosted by: Hank Green ---------- Messages from our Subbable subscribers: “Mom and Dad, for all you do, thank you.” - Caelen “Love you forever and always my Butterfly. - Dinosaur xo” - S.P. Coughlan “Everyone at SciShow is fabulous but Caitlin is my favourite.” - Daniel Quinn “The Heelbecks love you Sci Show!” - Meshell Heelbeck “The doctor called with your test results. It's human.” - Ian McCalder “Call your mother.” Ian McCalder “No matter your health, you're not broken. No exceptions.” - Shannon Schneider (ShannyOs Is Not Broken) “Be excellent to each other.” - Julietteanne “Don't get involved with Meninists, kids. You're better than that.” - Orla “Love you Mel! DFTBA house” - Jordan Kampschmidt ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Lentz, John Szymakowski, Ruben Galvao, and Peso255. ---------- 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.quora.com/Why-is-a-reflection-upside-down-in-a-spoon https://van.physics.illinois.edu/qa/listing.php?id=1985 http://www.whyzz.com/why-is-my-reflection-upside-down-when-i-look-in-a-spoon
Просмотров: 385802 SciShow
Can Pickles and Bananas Really Help Athletes?
 
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Some athletes swear by pickle juice and bananas, but how do they help? Quick Questions explains! ---------- Dooblydoo thanks go to the following Patreon supporters -- we couldn't make SciShow without them! Shout out to Justin Ove, Chris Peters, John Szymakowski, Peso255, Fatima Iqbal, Justin Lentz, and David Campos. ---------- 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.ncbi.nlm.nih.gov/pubmed/19997012 http://well.blogs.nytimes.com/2010/06/09/phys-ed-can-pickle-juice-stop-muscle-cramps/ http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0037479 http://www.huffingtonpost.co.uk/2012/05/30/diet-bananas-boost-sports-perfermance_n_1555441.html http://www.smithsonianmag.com/science-nature/a-spoonful-of-pickle-juicehelps-muscle-cramps-go-down-30137937/?no-ist http://www.boston.com/lifestyle/food/articles/2009/06/22/athletes_resort_to_pickle_juice_and_other_odd_foods_to_boost_performance/?page=2 http://www.medicaldaily.com/bananas-are-just-good-sports-drinks-240631 http://www.livestrong.com/article/493009-what-role-does-potassium-play-in-muscle-contraction/
Просмотров: 286114 SciShow
Did Dinosaurs Really Have Feathers?
 
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At least one entire class of dinosaurs seems to have had feathers—including velociraptors, and probably T. rex. Find out how we know, and how we even know what color some of them were! If you liked this video, check out more videos about natural history and paleontology on SciShow's sister channel, Eons: https://www.youtube.com/eons 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, Philippe von Bergen, Chris Peters, Lilly Grainger, Happy Birthday!!, and 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 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.nature.com/nature/journal/v484/n7392/abs/nature10906.html http://www.nature.com/news/palaeontology-the-truth-about-t-rex-1.13988 http://phenomena.nationalgeographic.com/2013/01/28/p-is-for-pelecanimimus/ http://phenomena.nationalgeographic.com/2012/12/31/hooray-for-dinofuzz/ http://www.smithsonianmag.com/science-nature/dinosaurs-living-descendants-69657706/?all http://www.smithsonianmag.com/science-nature/colorful-plumage-began-with-feathered-dinosaurs-180949691/ http://news.nationalgeographic.com/news/2010/01/100127-dinosaur-feathers-colors-nature/ http://www.nature.com/news/rival-species-recast-significance-of-first-bird-1.16469 http://www.nature.com/ncomms/journal/v3/n1/abs/ncomms1642.html http://www.livescience.com/24745-archaeopteryx.html http://www.scientificamerican.com/article/new-fossil-reveals-velociraptor-sported-feathers/ http://www.dinosaur-world.com/feathered_dinosaurs/sinosauropteryx_prima.htm http://www.amnh.org/exhibitions/past-exhibitions/dinosaurs-ancient-fossils-new-discoveries/liaoning-diorama/a-feathered-tyrant http://news.nationalgeographic.com/news/2013/06/130614-dinosaur-xray-bird-color-feather-archaeopteryx/ http://www.dinodictionary.com/index.asp
Просмотров: 343330 SciShow
4 Weird Lab Animals
 
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Why do scientists try to learn about /people/ by studying creatures that none of us could ever be mistaken for? Learn about model organisms, and why they’re so helpful for us. Hosted by: Hank Green -------------- Message from our subbable subscriber: Greg Dison - Arielle, tough it out. You're going to destroy med school. ---------- 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 subscribing to our page on Subbable: https://subbable.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 Thanks Tank Tumblr: http://thankstank.tumblr.com Sources: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2776389/ http://wormclassroom.org/short-history-c-elegans-research http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3159423/ http://worms.zoology.wisc.edu/reprints/embryo_book_optimized.pdf http://www.nature.com/nbt/journal/v32/n12/full/nbt.3079.html#f1 http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3180220/ http://genome.wellcome.ac.uk/doc_wtd020803.html http://genome.wellcome.ac.uk/doc_wtd020807.html http://modencode.sciencemag.org/drosophila/introduction
Просмотров: 899420 SciShow