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How "Flying Death" Has Saved Hundreds of Lives
How "Flying Death" Has Saved Hundreds of Lives
How "Flying Death" Has Saved Hundreds of Lives

How "Flying Death" Has Saved Hundreds of Lives - SciShow

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SciShow explores the unexpected. Seven days a week, Hank Green, Michael Aranda, and Olivia Gordon delve into the scientific subjects that defy our expectations and make us even more curious! Schedule: Sundays - Learn about the amazing topics we can't quite make a stand-alone show about in SciShow List Show! Mondays - Tune in for a short Dose about our weird world. Tuesdays - Find answers to our most asked Quick Questions. Wednesdays - Hank or Michael dives deep into a long-form Infusion episode, or an unscripted talk show or quiz show with a guest! Thursday - Another new dose about the wonders of the world. Fridays - Learn the latest in science News. Saturdays - Get your quick questions answered! Don't forget to check out our sister-channels SciShow Space, SciShow Psych, and SciShow Kids!

Video description
Curare, known as "flying death," was used for centuries to make poisoned arrows. Scientists discovered how to use it to create life saving medical treatments that we still use today.

Hosted by: Michael Aranda
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3 Genes That Give People Superpowers

There are genetic mutations in the population today that can grant people some seemingly superhuman abilities. To get your 23andMe kit, go to: https://www.23andme.com/SciShow 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, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- 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: MSTN - stronger muscles https://blogs.scientificamerican.com/guest-blog/the-man-of-steel-myostatin-and-super-strength/ http://www.nejm.org/doi/full/10.1056/NEJMoa040933#t=article https://ghr.nlm.nih.gov/gene/MSTN#normalfunction...

7 Animals with Super Weird (and Sometimes Horrifying) Teeth

Humans don't have interconnected teeth for slicing, or a secondary set of jaws to clamp down on prey already in our mouths, however, the rest of our animal kingdom is full of strange and awesome adaptations. Hosted by: Olivia Gordon ---------- 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! Shoutout to Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- Looking for SciShow elsewhere on the internet? Facebook:...

Why Don't You Notice Obvious Mistakes in Movies?

Whether it's a car in the background of Braveheart or the inconsistent cliff in Jurassic Park, movies tend to have mistakes. Why don't we notice them more often? Hosted by: Brit Garner ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- 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.chabris.com/Simons1999.pdf https://www.ncbi.nlm.nih.gov/pubmed/26302304 http://www2.psych.ubc.ca/~rensink/publications/download/EncycConsc-CB-IB-rr.pdf http://www.nature.com/neuro/journal/v17/n5/abs/nn.3689.html https://www.scientificamerican.com/article/did-humans-evolve-to-see-things-as-they-really-are/ https://www.eurekalert.org/pub_releases/2014-10/uoc--wwc100214.php http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.188.4769&rep=rep1&type=pdf pp 622 http://www.cabinetmagazine.org/issues/30/archibald.php http://news.berkeley.edu/2014/03/30/continuityfield https://www.amazon.com/Invisible-Gorilla-How-Intuitions-Deceive/dp/0307459667 ---------- Images: https://commons.wikimedia.org/wiki/File:Three_point_shoot.JPG https://commons.wikimedia.org/wiki/File:Evans_Hall_panorama.jpg

7 Amazing Origami-Inspired Inventions

Scientists and engineers are taking folding into the future! 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! Shoutout to Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- 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://nimbusvault.net/publications/koala/inimpact/papers/sdm14-028.pdf http://www.witpress.com/Secure/elibrary/papers/MARAS14/MARAS14008FU1.pdf http://www.pitt.edu/~nbb8/eti.html http://sat.aero.cst.nihon-u.ac.jp/sprout-e/1-Mission-e.html https://trs.jpl.nasa.gov/bitstream/handle/2014/44938/13-1733_A1b.pdf?sequence=1 http://news.mit.edu/2016/ingestible-origami-robot-0512 https://www.eurekalert.org/pub_releases/2016-03/hjap-afm030816.php https://www.seas.harvard.edu/news/2016/03/transforming-materials http://bertoldi.seas.harvard.edu/files/bertoldi/files/bas_nature.pdf https://www.eurekalert.org/pub_releases/2016-12/bu-sbb122116.php http://onlinelibrary.wiley.com/doi/10.1002/admt.201600194/full http://www.nature.com/articles/s41551-016-0009 Images: https://www.nasa.gov/mission_pages/rbsp/multimedia/seperation.html http://news.mit.edu/2016/ingestible-origami-robot-0512 https://www.seas.harvard.edu/sites/default/files/BasGif1.gif https://www.seas.harvard.edu/news/2016/03/transforming-materials http://advances.sciencemag.org/content/3/3/e1602417.full https://www.eurekalert.org/multimedia/pub/129788.php https://commons.wikimedia.org/wiki/File:BuzzerAmericanBoy1907.jpg https://www.youtube.com/watch?v=QVwNnMCYPKM

Honey: Bacteria's Worst Enemy

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...

Weird Places: Mauritania's Eye of the Sahara

Explore the origins of one of the coolest geologic formations in the world, West Africa's Richat Structure. Help support us by subscribing to our page on Subbable: https://subbable.com/scishow ---------- 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/artist/52/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.amusingplanet.com/2012/05/richat-structure-eye-of-sahara.html http://www.lpi.usra.edu/publications/slidesets/geology/sgeo/slide_13.html http://apod.nasa.gov/apod/ap130519.html http://www.livescience.com/29906-eye-of-africa-peers-up-from-the-sand.html http://bibvir.uqac.ca/theses/030084214/030084214.pdf http://daac.gsfc.nasa.gov/geomorphology/GEO_2/GEO_PLATE_T-31.shtml http://geology.gsapubs.org/content/33/8/665.short http://articles.adsabs.harvard.edu/full/2001M%26PSA..36R.125M

Are Modern Humans Really Older Than We Thought?

Until recently, fossil evidence for modern humans has only gone back 200,000 years. A new discovery in Morocco and thermoluminescence dating may help extend that beyond 300,000 years. 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! Shoutout to Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- 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/oldest-homo-sapiens-fossil-claim-rewrites-our-species-history-1.22114 https://www.nature.com/nature/journal/v546/n7657/full/546212a.html https://www.nature.com/nature/journal/v546/n7657/full/nature22336.html https://www.nature.com/nature/journal/v546/n7657/full/nature22335.html http://www.nature.com/news/oldest-ancient-human-dna-details-dawn-of-neanderthals-1.19557 https://www.nature.com/nature/journal/v531/n7595/full/nature17405.html http://anthro.palomar.edu/homo2/mod_homo_4.htm https://www.ncbi.nlm.nih.gov/pubmed/22658331 http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0024024 http://anthro.palomar.edu/homo2/mod_homo_5.htm https://www.thoughtco.com/luminescence-dating-cosmic-method-171538 ---------- Images: https://commons.wikimedia.org/wiki/File:CIA_WorldFactBook-Political_world.pdf https://www.flickr.com/photos/ideonexus/4698383548/in/photolist-8a8diF-8abrJU-8abt2f https://commons.wikimedia.org/wiki/File:Crane1.png https://commons.wikimedia.org/wiki/File:Sahara_dust_plume_Nov_1998.jpg

How a Bee Becomes Queen

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:...

Why Do We Have Butt Hair?

You've asked. Now we're answering. 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...

What Would Happen If An Astronaut Floated Away Into Space?

Imagine tumbling away from your station, knowing that you will not be able to get back, that no one can save you and that you will ultimately float way to your death, on your own, maybe staring at your planet, the planet from which you came from. **REMEMBER TO SUBSCRIBE FOR MUCH MORE TO COME** FʘLLʘW THE VENDOR 101 Subscribe - https://www.youtube.com/c/TheVendor101 ----------------------------------------­----------------------------------------­-------------------- Google+ - https://plus.google.com/+TheVendor101 ----------------------------------------­----------------------------------------­-------------------- Twitter - https://twitter.com/thevendor101 ----------------------------------------­----------------------------------------­------------------- Facebook - https://www.facebook.com/pages/The-Ve... ----------------------------------------­----------------------------------------­------------------- Script - The idea of floating away in to the darkness of space, is a terrifying thought, a thought that would definitely cross every astronauts mind while space walking.This kind of situation is normally seen depicted...

3 Wasps That Will Do Anything to Survive

From ripping your own appendages off to cockroach mind control, wasps go to great lengths to ensure the survival of their species. 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, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- 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://animals.nationalgeographic.com/animals/bugs/wasp/ Fig wasps: http://www.sciencedirect.com/science/article/pii/S0960982205014661 http://www.bbc.co.uk/earth/story/20160429-a-tale-of-loyalty-and-betrayal-starring-figs-and-wasps https://askabiologist.asu.edu/figs-without-wasps Fairy...

Why No Giant Mammals?

Hank gives a quick run-down of the reasons scientists think the land mammals of today are nowhere near the size of the largest sauropods. Some of them might surprise you! 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/artist/52/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 SOURCES http://news.discovery.com/animals/how-dinosaurs-got-so-big-120131.html http://dinosaurs.about.com/od/dinosaurevolution/a/bigdinos.htm http://www.newscientist.com/article/dn19771-why-mammals-grew-big--and-then-stopped.html http://www.scientificamerican.com/article.cfm?id=land-size-limits-body-size http://ngm.nationalgeographic.com/ngm/0507/resources_who.html http://earthsky.org/earth/felisa-smith-why-mammals-havent-out-sized-biggest-dinosaurs http://www.sciencemag.org/content/330/6008/1216.abstract http://www.cam.ac.uk/research/features/mammals-vs-dinosaurs http://blogs.smithsonianmag.com/dinosaur/2012/06/when-mammals-ate-dinosaurs/ http://svpow.com/2013/02/19/personal-milestones-publishing-the-ph-d http://www.slate.com/articles/news_and_politics/explainer/2009/02/a_snake_the_size_of_a_plane.html http://www.dinodatabase.com/dinorcds.asp http://voices.yahoo.com/indricotherium-largest-land-mammal-ever-237482.html http://science.kqed.org/quest/2010/03/17/the-largest-land-mammal-that-ever-lived/ http://phenomena.nationalgeographic.com/2013/02/25/dinosaur-reproduction-not-ancient-gravity-made-sauropods-super-sized/ http://www.popsci.com/science/article/2012-02/hot-weather-makes-mammals-smaller-%E2%80%94%C2%A0what-does-mean-global-warming http://scienceline.ucsb.edu/getkey.php?key=427 http://www.smithsonianmag.com/science-nature/dinosaurs/How-to-Build-a-Giant-Dinosaur.html http://www.plosone.org/article/info:doi/10.1371/journal.pone.0028442 http://www.nmfs.noaa.gov/pr/species/mammals/cetaceans/bluewhale.htm

Is Sugar Alcohol as Awesome as It Sounds?

Sugar alcohol sounds like a fun adult dessert, but what is it really? Hosted by: Stefan Chin ---------- 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, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- 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://dtc.ucsf.edu/living-with-diabetes/diet-and-nutrition/understanding-carbohydrates/counting-carbohydrates/learning-to-read-labels/counting-sugar-alcohols/ https://www.accessdata.fda.gov/scripts/InteractiveNutritionFactsLabel/factsheets/Sugar_Alcohols.pdf http://www.masterorganicchemistry.com/2014/09/17/alcohols-1-nomenclature-and-properties/ http://www.chemguide.co.uk/organicprops/alcohols/background.html http://onlinelibrary.wiley.com/doi/10.1002/(SICI)1521-379X(199803)50:2/3%3C120::AID-STAR120%3E3.0.CO;2-J/abstract Images: https://commons.wikimedia.org/wiki/File:1402_The_Tongue.jpg

Why Do We Eat Raw Fish But Not Raw Chicken?

We might order fish raw, but why don't we ever order chicken that way? 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, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Scott Satovsky Jr, Will and Sonja Marple, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George, Bader AlGhamdi ---------- 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://time.com/3731226/you-asked-why-cant-i-eat-raw-meat/ https://www.cdc.gov/parasites/anisakiasis/faqs.html http://www.fda.gov/downloads/Food/GuidanceRegulation/UCM252393.pdf https://www.ncbi.nlm.nih.gov/pubmed/19842365 http://www.nmfs.noaa.gov/aquaculture/faqs/faq_seafood_health.html https://www.cdc.gov/salmonella/general/ https://www.cdc.gov/foodsafety/diseases/campylobacter/index.html http://umash.umn.edu/wp-content/uploads/2015/11/Campylobacter-MDH.pdf https://medlineplus.gov/ency/article/000631.htm

6 of the Longest Experiments Ever

From the bell that hasn't stopped ringing, to observing evolution in action, SciShow presents 6 of the Longest Experiments Ever. 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, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- 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: The Electric Bell http://www.physics.ox.ac.uk/history.asp?page=exhibit1 http://www.atlasobscura.com/places/oxford-electric-bell http://www.popularmechanics.com/technology/gadgets/a22506/worlds-longest-running-battery-176-years/ Beal’s Seed Viability Experiment http://www.cpa.msu.edu/beal/research/research_frames.htm https://www.jstor.org/stable/2435371?seq=1#page_scan_tab_contents http://www.amjbot.org/content/89/8/1285.full#ref-16 The Pitch Drop http://www.nature.com/news/long-term-research-slow-science-1.12623 http://smp.uq.edu.au/content/pitch-drop-experiment http://theconversation.com/explainer-the-pitch-drop-experiment-33734 Framingham Heart...

Weird Places: Devil's Kettle Falls

A waterfall that seems to just disappear into the ground sounds pretty unbelievable, but scientists are still bewildered by the mysteries of Devil's Kettle Falls. 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...

Why Is My Pee Green?

How worried should you be when your urine isn't yellow, but instead it's green, red, or even black? 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, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- 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://medlineplus.gov/ency/article/003139.htm https://health.ucsd.edu/news/features/Pages/2014-04-21-colors-that-suggest-urine-trouble.aspx https://health.clevelandclinic.org/2013/10/what-the-color-of-your-urine-says-about-you-infographic/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4045424/ http://gizmodo.com/why-do-vitamins-make-urine-bright-yellow-1240027073 https://udel.edu/~mcdonald/mythbeeturia.html http://dmd.aspetjournals.org/content/29/4/539 http://www.kidney-international.com/article/S0085-2538(15)53423-6/fulltext http://www.bmj.com/content/347/bmj.f6289 https://www.ncbi.nlm.nih.gov/pubmed/7598270 http://www.nejm.org/doi/full/10.1056/NEJMicm065416#t=article https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3087269/ https://rarediseases.org/rare-diseases/blue-diaper-syndrome/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3147034/ http://www.bjmp.org/content/medicine-pictures-purple-urine-bag-syndrome https://www.ncbi.nlm.nih.gov/pubmed?term=16032624 https://www.ncbi.nlm.nih.gov/pubmed?term=15153241 https://www.ncbi.nlm.nih.gov/pmc/articles/PMC266835/ http://www.bjmp.org/content/medicine-pictures-purple-urine-bag-syndrome https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3147034/ http://www.chop.edu/conditions-diseases/chyluria https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3168002/ https://ghr.nlm.nih.gov/condition/alkaptonuria https://rarediseases.org/rare-diseases/alkaptonuria/

Why Do Dogs Tilt Their Heads?

There's no question that a dog tilting its head is one of the cutest things possible, but why do they do 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 Kevin, Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- 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.psychologytoday.com/blog/canine-corner/201312/why-do-some-dogs-tilt-their-heads-when-we-talk-them http://mentalfloss.com/article/70205/what-makes-dogs-tilt-their-heads http://tvblogs.nationalgeographic.com/2010/03/09/why-do-dogs-tilt-their-heads/ http://www.cell.com/current-biology/pdf/S0960-9822(14)01693-5.pdf https://books.google.com/books?id=P3GHg6R_O2UC&pg=PT869&lpg=PT869

Could Life Have Survived in Mars's Ancient Lake?

Samples from the Curiosity rover suggest that Mars had a potentially habitable lake in its past, and gravitational lensing has helped scientists weigh a star! ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters—Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, 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...

Can You Be Allergic To Sunlight?

For you, going outside might mean a sunburn if you're out there too long without enough sunscreen, but for some people, any sun exposure can lead to hives and rashes within minutes! Hosted by: Stefan Chin ---------- 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! Shoutout to Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- 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:...

How Do You Get Rid of Acne?

Most of us have dealt with acne during puberty, or maybe even after that. You probably wanted to pop or pick them in order to remove them, but don't do that! Learn more about acne and learn how to get rid of it more appropriately! Hosted by: Michael Aranda Learn more about Blackheads: https://www.youtube.com/watch?v=J8MZX05wUPY&feature=youtu.be ---------- 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...

9 Groundbreaking Discoveries About Sleep

There's a lot about sleep that we don't understand, like why we even sleep in the first place, for example. Here are some amazing discoveries biologists have made while trying to solve the mystery of sleep. 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, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Benny, Kyle Anderson, Tim Curwick, Scott Satovsky Jr, Will and Sonja Marple, Philippe von Bergen, Bella Nash, Bryce Daifuku, Chris Peters, Patrick D. Ashmore, Charles George,...

French Fries Aren't Really Going To Kill You

If you use the internet, you may have read about a nutritional study about the deadliness of fried potatoes. It's a little more complex than that, though. Even if you haven't heard of that one, we're pretty sure you've heard of the internet's favorite subject: cats. Hosted by: Olivia Gordon ---------- 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! Shoutout to Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore,...

Why Do Glue Labels Warn Not to Sniff It?

Abusing inhalants, like glue, can cause serious health problems, and you shouldn't need a video on the internet to tell you that. But let's take a deeper look at why these chemicals are so dangerous. 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! Shoutout to Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter:...

Why Do You Want to Squeeze Cute Things?

The aggressive urges you might have when you see adorable things are probably related to the way you handle strong emotions. For 10% off Squarespace: http://squarespace.com/scishowpsych 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—Kevin Bealer, Mark Terrio-Cameron, KatieMarie Magnone, Patrick Merrithew, Charles Southerland, Fatima Iqbal, Sultan Alkhulaifi, Tim Curwick, Scott Satovsky Jr, Philippe von Bergen, Bella Nash, Chris Peters, Patrick D. Ashmore, Piya Shedden, Charles George ---------- 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/pubmed/26236256 http://www.med.upenn.edu/csa/assets/user-content/documents/PNAS-2009-Glocker.pdf http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0046362 https://www.researchgate.net/profile/Oriana_Aragon2/publication/271503312_Dimorphous_Expressions_of_Positive_Emotion_Displays_of_Both_Care_and_Aggression_in_Response_to_Cute_Stimuli/links/54e8e35c0cf2f7aa4d52e8cc.pdf Image Sources: https://commons.wikimedia.org/wiki/File:Konrad_Lorenz.JPG