Science

When you have a study with a small sample size, how do you know that the results represent the broader population? Well, thanks to a brewer who needed to assess beer quality in the early 1900s, we now have a simple statistical test that lets us do just that! SciShow is supported by Brilliant.org. Go

Go to http://Brilliant.org/SciShow to try their Chemical Reactions course. Sign up now and get 20% off an annual Premium subscription. Chitons are constantly scraping their teeth on rocks to eat the algae off of them, but that means their teeth need to be pretty tough. And it turns out one species’s teeth are the hardest,

If you’ve ever associated a smell with old age, you weren’t imagining it—it all has to do with the chemistry of our skin. 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: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith,

What’s salty and cold and cool as heck? Brinicles, a rarely seen undersea phenomenon the combines ice and saltwater to become every sea star’s worst nightmare! Actually, they’re not that scary, just awesome. Hank explains within. Like SciShow? Want to get cool things to put on your walls, cover your torso and hold your liquids?

The beach is nice, but why does spending time out in the sun leave us feeling so exhausted? Hosted by: Hank Green 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 Patreon supporters for helping us keep SciShow

If you hear the word “baby-faced” you might picture a doe-eyed celebrity who never seems to age. But, really, you should be thinking of the axolotl. However, it is possible to transform these otherwise forever-babies, causing them to lose that youthful glow. Hosted by: Michael Aranda SciShow has a spinoff podcast! It’s called SciShow Tangents.

Thanks to The Kwongan Foundation at the University of Western Australia for supporting this video: http://www.plants.uwa.edu.au/alumni/kwongan MinuteEarth is now on Patreon! Please support us at: http://www.patreon.com/minuteearth And subscribe! – http://www.youtube.com/user/minuteearth?sub_confirmation=1 ________________________ Created by Henry Reich Production and Writing Team: Alex Reich, Peter Reich, Emily Elert, Ever Salazar, Kate Yoshida, and Henry Reich Music by Nathaniel

Have you ever noticed that sunlight makes colors fade? Join Quick Questions as we explore why that happens. 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

Thanks to CSIRO for supporting MinuteEarth. – https://www.csiro.au/en/Research/Facilities/Marine-National-Facility/RV-Investigator Support MinuteEarth on Patreon: https://goo.gl/ZVgLQZ And Subscribe! – http://www.youtube.com/user/minuteearth?sub_confirmation=1 ________________________ Created by Henry Reich Production and Writing Team: Alex Reich, Peter Reich, Emily Elert, Ever Salazar, and Kate Yoshida Music by Nathaniel Schroeder: http://www.soundcloud.com/drschroeder ________________________ Free iTunes podcasts of MinuteEarth! – https://goo.gl/sfwS6n Facebook – http://facebook.com/minuteearth Twitter –

This episode is brought to you by the Music for Scientists album! Stream the album on major music services here: https://streamlink.to/music-for-scientists. Check out “Aristarchus in the Rain” here: https://youtu.be/kuD61YDmv6U Have you ever wondered why 75% humidity in the summer feels sticky, but 75% humidity in the winter feels super dry? Turns out, the common definition

Please support MinuteEarth on Patreon!: https://goo.gl/ZVgLQZ And subscribe! http://goo.gl/EpIDGd Thanks to all our Patreon supporters, who help make MinuteEarth possible, especially: Michael Hawkins (from Subbable) Murray Down (from Subbable) Herein we explain how pets can help your immune system, beginning when you’re in utero! Created by Henry Reich Animation: Ever Salazar Production and Writing Team:

Thanks to the University of Minnesota for sponsoring this video! http://twin-cities.umn.edu/ Learning a new language as an adult is harder than doing so as a child because adults usually aren’t as invested and often use the wrong strategies. Thanks also to our Patreon patrons https://www.patreon.com/MinuteEarth and our YouTube members. ___________________________________________ To learn more, start your

Fun Fact: people can donate over half of their liver, and the tissue will grow back within a year! Knowing that, it seems pretty logical to assume that we could just keep donating and regrowing our livers over and over again, but is that really the case? Special Thanks: Dr. George Michalopoulos, University of Pittsburgh

The world’s first artificial pigment, Egyptian blue, may help scientists prevent forgery and even save lives. We’re conducting a survey of our viewers! If you have time, please give us feedback: https://www.surveymonkey.com/r/SciShowSurvey2017 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:

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One of the most fundamental ideas in physics is that the disorder of the universe, also known as entropy, is constantly increasing. But, life’s inherent chemical makeup has been hacking the disorder of the universe for billions of years! SciShow is supported by Brilliant.org. Go to https://Brilliant.org/SciShow to get 20% off of an annual Premium

This video was made in partnership with the Swiss National Science Foundation. To see more videos about the importance of basic research, go to https://www.youtube.com/SNSFinfo ↓↓↓ Or watch the THREE OTHER VIDEOS we made with SNSF↓↓↓ What’s intelligent about artificial intelligence? – https://www.youtube.com/watch?v=xR6j9TLZdAw Why kids skip school (& what to do about it) – https://www.youtube.com/watch?v=q-MwcsyMk2k

Thanks to Squarespace for sponsoring this video. Go to Squarespace.com for a free trial and when you’re ready to launch, go to http://squarespace.com/scishow and add code “SCISHOW” at checkout to save 10% off your first purchase of a website or domain. You probably think the appendix is a useless organ left over from our evolutionary

How microbreweries are like shrubs and ferns. LEARN MORE ************** To learn more about this topic, start your googling with these keywords: – Ecological niche: is the match of a species to a specific environmental condition. – Niche differentiation: refers to the process by which competing species use the environment differently in a way that

SciShow explains what really causes those popping sounds your joints make — fluid dynamics, people! — and what you should watch out for if you’re a habitual knuckle-popper. ———- 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

Watch the new season of MinuteBody – and get access to both CuriosityStream and Nebula – at https://curiositystream.com/minuteearth. We might have a strong hand because having a weak hand is actually useful. LEARN MORE ************** To learn more about this topic, start your googling with these keywords: Handedness: the tendency to use one hand more

Urban development can be tough on wildlife. But some plants and animals are adapting to our cities in surprising ways. Thanks to squarespace.com for supporting this video. Go build a website! http://www.squarespace.com/minuteearth (use your 10% discount code: EARTH) Please support MinuteEarth on Patreon: https://www.patreon.com/minuteearth And subscribe! – http://www.youtube.com/user/minuteearth?sub_confirmation=1 Thanks to our Patreon patrons: – Emil

Over its lifetime, the Earth has seen plenty of climate change. About 50 million years ago the planet experienced extreme cooling, and all from a little fern. We’ve been nominated for a Webby! Please vote: http://tinyurl.com/sswebby Hosted by: Hank Green ———- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ———- Dooblydoo thanks go to

There’s a lot we just don’t know about death, but even among the things we think we do know, there are a lot of misconceptions. Here are 5 weird things we believe about death! Hosted by: Hank Green SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at http://www.scishowtangents.org ———- Support SciShow

Please subscribe! http://goo.gl/EpIDGd And support us on Patreon: https://goo.gl/ZVgLQZ Sorry for the re-upload!! YouTube technical difficulties… ________________________ Created by Henry Reich Production and Writing Team: Alex Reich, Peter Reich, Emily Elert, Ever Salazar, Kate Yoshida, and Henry Reich Music by Nathaniel Schroeder: http://www.soundcloud.com/drschroeder ________________________ Free iTunes podcasts of MinuteEarth! – http://podcast.minuteearth.com/ Facebook – http://facebook.com/minuteearth Twitter

In a bone-filled week, a rediscovered cranium from China might represent an entirely new species of human that’s possibly our closest evolutionary relative. And, while studying a 5,000-year-old skeleton, scientists found evidence of what might be the earliest plague infection. Hosted by: Hank Green Thumbnail Credit: Chuang Zhao SciShow has a spinoff podcast! It’s called

Thanks to Lynda.com for sponsoring this video. Visit https://www.lynda.com/earth for a 10-day free trial Thanks also to our Patreon patrons: – Today I Found Out – Jeff Straathof – Mark – Maarten Bremer – Alberto Bortoni – Valentin – Nicholas Buckendorf – Antoine Coeur ___________________________________________ Want to learn more about the topic in this week’s

How Alan Turing’s Reaction-Diffusion Model Simulates Patterns in Nature Thanks to http://www.audible.com/minuteearth for sponsoring this video. Asparagus Pee Survey Results: https://goo.gl/8x7abL ___________________________________________ If you liked this video, we think you might also like this: Reaction Diffusion Simulation (Gray-Scott model) https://pmneila.github.io/jsexp/grayscott/ ___________________________________________ Credits (and Twitter handles): Script Writer: Rachel Becker (@RA_Becks) Script Editor: Emily Elert (@eelert)

Do you suffer from canker sores? These little white balls of blinding pain can be annoying, but there is hope. 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,

Why do some species flourish and others falter? Sometimes it just comes down to luck. A big thank-you to our supporters on https://www.patreon.com/MinuteEarth : – Today I Found Out – Maarten Bremer – Jeff Straathof – Mark Roth – Tony Fadell – Muhammad Shifaz – 靛蓝字幕组 – Alberto Bortoni – Valentin – Antoine Coeur ___________________________________________

Hosted by: Hank Green SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at http://www.scishowtangents.org ———- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ———- Huge thanks go to the following Patreon supporters for helping us keep SciShow free for everyone forever: Chris Peters, Matt Curls, Kevin Bealer, Jeffrey Mckishen, Jacob,

This episode is sponsored by Endel, an app that creates personalized soundscapes to help you focus, relax and sleep.The first 100 people to sign up here get a one week free trial: https://app.adjust.com/b8wxub6?campaign=scishow_july&adgroup=youtube The aptly named White Sands National Park is home to over 400 square kilometers of blindingly white sand. It’s the culmination of

Subscribe – it’s FREE! – http://goo.gl/EpIDGd And please support us on Patreon – https://goo.gl/ZVgLQZ MinuteEarth is available as a free iTunes podcast! – http://podcast.minuteearth.com/ We’re also on facebook – http://facebook.com/minuteearth And twitter – http://twitter.com/MinuteEarth Images: http://goldenrecord.org http://www.mountvernonmidden.org/default.html http://webodysseum.com/wp-content/uploads/2012/06/Voyager-Golden-Record.jpg REFERENCES http://www.cnn.com/2011/10/04/world/europe/archaeology-ancient-trash Tuscon professor http://www.time.com/time/magazine/article/0,9171,913924,00.html http://humanitieslab.stanford.edu/23/174 Rubbish!: The Archaeology of Garbage. Rathje and Murphy http://books.google.com/books/about/Rubbish.html?id=1i_B1c573OQC Olive Oil

Big or small, most creatures end up on something else’s dinner menu. But the velvet ant combines a ton of defenses into one very unappetizing package.  SciShow is supported by Brilliant.org. Go to https://brilliant.org/SciShow to get 20% off of an annual Premium subscription. Hosted by: Michael Aranda SciShow has a spinoff podcast! It’s called SciShow

Where rivers meet the ocean, coastlines tend to bend either inward or outward, creating estuaries and deltas. But how do they get those shapes? A huge thank-you to the following organizations, all working toward sustainable deltas, for sponsoring this video: the Belmont Forum, the Sustainable Deltas Initiative, the National Center for Earth-Surface Dynamics, the St

Check out http://www.lynda.com/minuteearth for 10 days of free online courses. Please support us on Patreon: https://www.patreon.com/minuteearth Thanks also to our Patreon patrons: – AshrafDude – Nasser Hamed Alminji – Jeff Straathof – Mark – Maarten Bremer – Emil Kampp – Today I Found Out – Nicholas Buckendorf – Antoine Coeur ___________________________________________ MinuteEarth provides an energetic

It turns out there’s a scientific explanation behind the saying, “It’s not the heat, it’s the humidity!” Learn why a hot and humid day feels so dismal and some tips to avoid the really sweaty, gross days on today’s Quick Question! Hosted by: Hank Green ———- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow

Head to https://cometeer.com/scishow to bypass the waitlist and receive 50% off your Cometeer order Stradivarius are synonymous with quality, but how we can replicate their sound is a mystery! Hosted by: Hank Green SciShow has a spinoff podcast! It’s called SciShow Tangents. Check it out at http://www.scishowtangents.org ———- Support SciShow by becoming a patron on

Subscribe – it’s FREE! – http://goo.gl/EpIDGd And please support us on Patreon – https://goo.gl/ZVgLQZ Also, say hello on: Facebook: http://goo.gl/FpAvo6 Twitter: http://goo.gl/Y1aWVC MinuteEarth provides an energetic and entertaining view of trends in earth’s environment — in just a few minutes! Created by Henry Reich, with Alex Reich, Peter Reich, Rose Eveleth, Emily Elert, and John

Get your first KiwiCo box free by going to http://www.kiwico.com/minuteearth Occasionally, internal or external factors change, allowing certain animals to become giant versions of themselves. Thanks also to our supporters on https://www.patreon.com/MinuteEarth ___________________________________________ To learn more, start your googling with these keywords: Spiracles: External respiratory openings on insects Carboniferous Period: The time period from 359-299

Some people can eat raw jalapeños like they’re apples. Why do some people have a high tolerance for spicy food while others can’t stand it? 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