SciShow
Can a Hot Drink Cool You Down?
In some arid parts of the world, people cool off by drinking hot beverages. Can a hot drink on a hot day really cool you down?
SciShow
Can You Become a Morning Person?
If you know someone who can’t start their morning without 3 cups of coffee, don’t assume they frequently stay out late partying—it’s probably genetics.
SciShow
The Many Functions of Fungi | Compilation
There’s no denying that fungus is all around us all the time. And not all of it is helpful, but neither is all of it harmful. Here are some of the many functions of fungi.
SciShow
How Do Astronauts Do Their Business?
So how do astronauts manage to pee and poop in microgravity? And what happens to all of their waste? Do you really want to know? If you do, the answers are inside!
SciShow
Insect Filth and Bloody Messes with Evelyn From The Internets!
Hank faces off against his Crash Course co-worker Evelyn from the Internets in this test of wits and sticky science knowledge! Who will win and who will lose?
SciShow
SciShow Talk Show: Vanessa Hill of BrainCraft & Sugar Gliders!
Vanessa Hill of BrainCraft shares her science YouTube story with Hank and reveals a big announcement! Jessi from Animal Wonders and a special Australian friend or two join in the second half.
SciShow
The Science of Hangovers
So what exactly is it that makes a hangover suck so hard? Turns out there are three things interacting to make you feel miserable. Hank's got the details in this episode of SciShow.
SciShow
Why Does Cold Brew Coffee Taste Better?
Like it or hate it, cold brew coffee definitely tastes different than regular ol' drip, and it's all thanks to science.
SciShow
Turning Astronaut Pee Into Plastic
NASA recently sponsored new research into turning human waste into useful things, like food and plastic. And it might be used on long-term spaceflight someday.
SciShow
How to Cure a Hangover (Maybe)
Besides abstaining from alcohol altogether, most of the medical advice for avoiding hangovers is to use common sense before you start drinking. But what about all those “cures” people seem to tout?
TED Talks
TED: Why design should include everyone | Sinead Burke
Sinead Burke is acutely aware of details that are practically invisible to many of us. At 105 centimeters (or 3' 5") tall, the designed world -- from the height of a lock to the range of available shoe sizes -- often inhibits her ability...
SciShow
What Happens If You Stop Pooping?
Constipation is no fun. Luckily, it can usually be remedied with a handful of prunes, a few cups of coffee, and some patience. However, if you don't poop for a long, long time, constipation can develop into some serious health problems.
MinuteEarth
Why Does Wine Make Your Mouth Feel Dry?
Astringent plant chemicals called tannins bind proteins on mucous membrane and skin, generating a prickly, puckery mouthfeel from foods and letting us “tan” skins into leather. ___________________________________________ If you want to...
SciShow
Should You Worry About Caffeine Dehydrating You?
There’s a widespread belief that caffeinated drinks will make you dehydrated because the caffeine itself makes you pee. But is caffeine affecting you as much as you think?
SciShow
Why Cancer Labels Are Super Misleading
What does it actually mean when a label says something ‘causes cancer’? Those labels can be misleading, but knowing the legal and scientific reasoning behind them can help.
TED Talks
TED: Where good ideas come from | Steven Johnson
People often credit their ideas to individual "Eureka!" moments. But Steven Johnson shows how history tells a different story. His fascinating tour takes us from the "liquid networks" of London's coffee houses to Charles Darwin's long,...
SciShow
Why Do Coffee Naps Recharge You So Well?
With their powers combined, coffee and naps create a greater sum than their parts.
SciShow
World's Most Asked Questions How Can I Fall Asleep
People ask Google everything under the sun. One of the most commonly searched questions in the world is “How Can I Fall Asleep?” Allow us at SciShow to explain.
TED Talks
TED: How to make a profit while making a difference | Audrey Choi
Can global capital markets become catalysts for social change? According to investment expert Audrey Choi, individuals own almost half of all global capital, giving them (us!) the power to make a difference by investing in companies that...
SciShow
7 Bizarre Uses for Animal Secretions
You're probably aware of lots of the things we take from animals, but for centuries, humans have been sneaking animal secretions into a bunch of things you probably didn't know about, like your Easter candy, your Mom's perfume, and even...
Be Smart
How Science Defines A Year
It's been one (tropical/sidereal/anomalous) year since I uploaded the very first It's Okay To Be Smart. Here's everything that's happened since!
Crash Course
How to Develop a Business Idea: Crash Course Business - Entrepreneurship
So, where do ideas come from? And what do you do with them once you have them? In this episode of Crash Course Entrepreneurship, Anna helps to answer these questions (and more) as we figure out what we need to do to launch our business.
TED-Ed
TED-Ed: Can you solve "Einstein's Riddle"? - Dan Van der Vieren
Before he turned physics upside down, a young Albert Einstein supposedly showed off his genius by devising a complex riddle involving a stolen exotic fish and a long list of suspects. Can you resist tackling a brain teaser written by one...