SciShow

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Hydrogen Peroxide: It fizzes, it stings, but does it actually do you any good? Find out on this week’s Quick Question! Hosted by: Hank Green ———- Check out SciShow’s podcast SciShow Tangents at http://www.scishowtangents.org ———- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ———- Dooblydoo thanks go to the following Patreon supporters — we
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Head to https://linode.com/scishow to get a $100 60-day credit on a new Linode account. Linode offers simple, affordable, and accessible Linux cloud solutions and services. Earthquakes shake a lot of things up, but after decades or even centuries, it might be a little tough to figure out when or even where one may have happened.
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Most of the cases we call “electrocutions” are actually electric shocks: an electric current running through a body. Whether an electric shock becomes an electrocution depends on the nature of the current involved. We’re conducting a survey of our viewers! If you have time, please give us feedback: https://www.surveymonkey.com/r/SciShowSurvey2017 Hosted by: Hank Green ———- Support
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You’ve seen those viral videos of colorblind people putting on special glasses and reacting to colors they’ve never seen before! Today, we’ll explore how colorblindness works and what those glasses try to do to fix it! Hosted by: Hank Green ———- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ———- Dooblydoo thanks go to
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Why are tattoos permanent? How do you deliver the ink? And how do you remove a tattoo if you no longer want it? Hosted by: Michael Aranda ———- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ———- Dooblydoo thanks go to the following Patreon supporters—we couldn’t make SciShow without them! Shout out to Bella
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Visit http://brilliant.org/scishow/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription. You know how you somehow end up getting smoke in your eyes wherever you stand around a bonfire? Well, it turns out that’s not a curse! It’s much more easily explained with physics.
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Humans generally have a good idea of whether something will make us happy or unhappy, but it turns out we’re not great at knowing exactly how much. Hosted by: Hank Green ———- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at https://www.scishowtangents.org
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13,000 years ago, North America seemed to be thawing from a 2.6 million-year ice age. Then, a huge swath of Earth was suddenly plunged back into the cold for 1,000 years. To understand why we need to talk about megafloods. Check out the PBS Eons episode about epic floods: https://www.youtube.com/watch?v=YWZgfPGtQEs&feature=youtu.be Hosted by: Stefan Chin and
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For decades, people have used the Rorschach Test to diagnose mental illnesses and determine personality traits, which hasn’t always been the best idea. But modern studies suggest that this test actually can tell us some things about the way people see the world. Crash Course Business Entrepreneurship Learning Playlist: https://www.youtube.com/playlist?list=PL8dPuuaLjXtNamNKW5qlS-nKgA0on7Qze Hosted by: Brit Garner ———-
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Get 30% off your first purchase (plus free shipping) when you use my code SCISHOW30 at https://cometeer.com/scishow5 We’ve made some great strides in understanding the human genome, but before we can tackle genetic engineering, we have some “chicken and egg” problems to figure out. Hosted by: Hank Green SciShow is on TikTok! Check us out
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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
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We have a garbage problem. Wouldn’t it make sense to throw that trash into the nearest volcano? 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, D.A. Noe, Charles Southerland, Fatima Iqbal, Sultan
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Vikings, volcanoes, and sheep don’t immediately seem like they should all be connected, but this unlikely trio is actually informing our knowledge of global history. Hosted by: Stefan Chen SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow ———- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ———- Huge thanks go to the following
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How do you define adulthood? It’s a difficult question because that delicate brain of yours stays squishy well after you start paying your own rent. https://www.youtube.com/learnhowtoadult 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,
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They explode when you touch them. Even a millionth of a gram can kill you. They can even disable you with their horrifying smell. SciShow introduces you to give of the most dangerous chemicals in the world. Hosted by: Hank Green ———- Like SciShow? Want to help support us, and also get things to put
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Have you ever stood up and felt a bit dizzy and lightheaded? Learn why it happens in this SciShow Quick Question! Hosted by: Michael Aranda ———- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ———- Dooblydoo thanks go to the following Patreon supporters — we couldn’t make SciShow without them! Shout out to Justin
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Head to https://linode.com/scishow to get a $100 60-day credit on a new Linode account. Linode offers simple, affordable, and accessible Linux cloud solutions and services. Our knowledge of specific technologies or techniques can sometimes be lost to time. And that can be because of changing economic conditions, or, sometimes, it’s because the technology was so
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Hank explains the whole story about radiation – the good, the extremely helpful, and the bad. Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow
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Visit http://brilliant.org/scishow/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription. Bones, you probably have them and they’re for more than holding your body upright. Hosted by: Michael Aranda SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow ———- Support SciShow by becoming a
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On today’s Quick Question, we absolve the poor, humble toad of its wart-giving reputation. Learn about the virus that causes warts, how they spread, and what you can do to get rid of them. Hosted by: Michael Aranda ———- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ———- Dooblydoo thanks go to the following
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Do you just hate those little bumps all over your nose? Don’t be a hater, they’re just doing their job! Learn how in this SciShow Quick Question. Hosted by: Hank Green ———- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ———- Dooblydoo thanks go to the following Patreon supporters — we couldn’t make SciShow
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When you think of herbs, you might picture rosemary, basil, or dill weed, but you can add something a bit bigger than that to your mental herb collection: good ol’ bananas. Hosted by: Stefan Chin SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at http://www.scishowtangents.org ———- Support SciShow by becoming a
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Visit http://brilliant.org/scishow/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription. During the age of dinosaurs, a massive asteroid slammed into the Earth, bringing an end to most life at the time. And thanks to new fossil evidence, we’ve been able to pinpoint a
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You hit the gym for the first time forever and now you can barely move… that means you’re getting totally ripped, right? Maybe! Find out on this week’s QQ! Hosted by: Hank Green ———- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ———- Dooblydoo thanks go to the following Patreon supporters — we couldn’t
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Skillshare is offering SciShow viewers two months of unlimited access to Skillshare for free! https://skl.sh/scishow15 Check out Davina Choy’s knitting basics class: https://www.skillshare.com/classes/Knitting-I-Learn-the-Basics-with-a-Simple-Scarf/495264189 Is there any hope for those of us plagued by headphone tangles? Hosted by: Michael Aranda Head to https://scishowfinds.com/ for hand selected artifacts of the universe! ———- Support SciShow by becoming a
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Visit http://brilliant.org/scishow/ to get started learning STEM for free, and the first 200 people will get 20% off their annual premium subscription. The Tyrannosaurus genus might have been more diverse than we thought. And researchers show how the composition of the early Earth could have accelerated its move towards habitability. Hosted by: Hank Green SciShow
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Check out The Serengeti Rules, airing October 9th at 8pm ET on PBS, or at https://to.pbs.org/2oxTWF4 to learn how five pioneering scientists discovered a single set of rules that govern all life! There are a whole lot of people out there who have bought into the notion that, in order to be physically fit, you
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Your brain is hard-wired to do all sorts of things when you are not consciously thinking about something. But just because it’s normal for your mind to wander doesn’t mean that it’s always good! Luckily, once you know how it works, you can find ways to control it. Hosted by: Brit Garner ———- Support SciShow
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A memory isn’t stored in your brain in a neat little package, but is instead spread across a pattern of cells in different regions. What’s more, understanding this process could open the door to better treatments for conditions like Alzheimer’s or PTSD. Hosted by: Hank Green ———- Support SciShow by becoming a patron on Patreon:
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Hank addresses a highly requested topic – liquid fluoride thorium reactors – and tells us how LFTR might be the future of energy in … China? Like SciShow on Facebook: http://www.facebook.com/scishow Follow SciShow on Twitter: http://www.twitter.com/scishow References: http://www.washingtonpost.com/national/health-science/nuclear-power-entrepreneurs-push-thorium-as-a-fuel/2011/12/15/gIQALTinPR_story.html http://theweek.com/article/index/213611/could-thorium-make-nuclear-power-safe
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Meeting new people is exciting, but also kind of overwhelming and you might have found yourself wondering if they really liked you. But turns out, they do really like you most of the time, and you might be just too hard on yourself. Hosted by: Brit Garner ———- Support SciShow by becoming a patron on
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You might have faked being sick to avoid doing something unpleasant. However, for people with the factitious disorder, faking illness isn’t quite so straightforward. 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
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The first 100 people to use the code SCISHOW10 will receive 10% off their first purchase! This code is valid through the end of the year. Head to https://gift.climeworks.com/scishow to give the gift of CO₂ removal this holiday season. Thanks to Climeworks for sponsoring this video! Researchers created a “super jelly” that can survive being
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Go to http://Brilliant.org/SciShow to try their Logic course. Sign up now and get 20% off an annual Premium subscription. The equator is a clear and accurate line around Earth that makes measuring latitude a precise science, but when it came to figuring out how to do that with longitude, British sailors were at a loss.
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If you’ve taken prescription medication, have you ever noticed the strange disclaimer, “don’t take with grapefruit juice”? There is a very good reason for that! Hank Green explains in this episode of SciShow Quick Questions! Hosted by: Hank Green ———- SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at http://www.scishowtangents.org ———-
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You can read a book while watching SciShow on your laptop, so you might think you are multitasking, but can you really multitask? Hosted by: Hank Green ———- Support SciShow by getting yourself a Knowledge is Power shirt! SciShow ———- Dooblydoo thanks go to the following Patreon supporters—we couldn’t make SciShow without them! Shout out
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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
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Head to https://linode.com/scishow to get a $100 60-day credit on a new Linode account. Linode offers simple, affordable, and accessible Linux cloud solutions and services. The history books are full of mysteries, some of which we’re just now getting around to solving. Hosted by: Stefan Chin SciShow is on TikTok! Check us out at https://www.tiktok.com/@scishow
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Head to https://linode.com/scishow to get a $100 60-day credit on a new Linode account. Linode offers simple, affordable, and accessible Linux cloud solutions and services. Scientists working at a nuclear fusion facility in Oxford announced a record-breaking result. And while there’s still a lot to figure out to make fusion viable, this brings us one
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Thanks again to the Koslicki Lab at Penn State for supporting this episode. Their lab focuses on computational biology, including the analysis of metagenomic data. If you enjoyed this video, check out some of their papers: https://koslickilab.github.io/Koslicki-lab-PSU/ While antibiotics have saved millions of lives, misusing them can speed up how fast bacteria evolve to resist
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It can be frustrating to get stuck in line somewhere with no end to your wait in sight, but what about waiting is it that gets under our skin? 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: D.A. Noe, Nicholas
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Ever wonder why we still haven’t cured cancer? Join SciShow as we discuss what’s wrong with that question and why it’s so hard to find a cure. 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