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
Groups That Chant Together, Stay Together
If you've ever been part of a huge crowd, like at a sporting event, you've probably seen people clap, sing, and chant together in sync. How do big groups of individuals all manage to do the same thing at the same time, even when there's...
SciShow
P-values Broke Scientific Statistics—Can We Fix Them?
A little over a decade ago, a neuroscientist found "significant activation" in the neural tissue of a dead fish. While it didn't prove the existence of zombie fish, it did point out a huge statistical problem.
TED Talks
Chris Jordan: Turning powerful stats into art
Artist Chris Jordan shows us an arresting view of what Western culture looks like. His supersized images picture some almost unimaginable statistics -- like the astonishing number of paper cups we use every single day.
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?
TED Talks
TED: Juggle and jest | Raspyni Brothers
Illustrious jugglers the Raspyni Brothers show off their uncanny balance, agility, coordination and willingness to sacrifice (others). Now, if you'll just stand completely still...
SciShow Kids
Can Ketchup Clean a Penny?
Squeaks loves collecting shiny pennies, but sometimes he finds one that's sort of grimy and dull. Lucky for him, Jessi knows a really cool science trick to clean up those tarnished pennies!
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!
SciShow Kids
How High Can You Stack? Engineering for Kids
Jessi and Squeaks love to build things, and they love to learn how to make the things they build even better! Join them today to learn how engineering can help make anything, from a tower of cups to a giant sky scraper, more stable!
TED-Ed
TED-Ed: The method that can "prove" almost anything | James A. Smith
In 2011, a group of researchers conducted a study designed to find an impossible result. Their study involved real people, truthfully reported data, and commonplace statistical analyses. So how did they do it? The answer lies in a...
SciShow Kids
Why Do We Put Salt on Icy Sidewalks? | Winter Science | SciShow Kids
It's snowing and Mister Brown needs to go put some salt on the Fort's front steps. But Squeaks wants to know, why do we put salt on icy sidewalks?
Second Grade Next Generation Science Standards
Disciplinary Core Ideas:
PS1.A:...
SciShow Kids
The Science of the String Phone!
Join Jessi and friends as they learn about sound waves by making a string phone! Plus, learn how to make your own!
SciShow Kids
The Secret of Frozen Frogs! | Winter Science | SciShow Kids
On a cold day, sometimes people will say "I'm freezing!," even though they aren't actually frozen like ice. But there is a very special animal that can say "I'm freezing" and mean it: wood frogs! Join Jessi and Squeaks to learn about the...
SciShow Kids
How Plastic Hurts the World
Recycling trash is one really important way that we can help the Earth stay clean! It's much better to recycle things than throw them away, but it's super important to recycle plastic! Jessi is here to tell you why!
Curated Video
Proportions
New ReviewA video entitled "Proportions" which shows how to multiply both values in a ratio by a factor to make an equivalent ratio.
Curated Video
Can Yerba Mate Boost Energy?
Howcast - Learn if yerba mate tea can boost energy from nutrition expert Alex Jamieson in this Howcast video.
Curated Video
How to Make Turkey Stock
Howcast - Save the giblets! Making a rich turkey stock out of them is the secret to delicious Thanksgiving gravy.
Curated Video
How to Make Panna Cotta
Howcast - This popular Italian dessert is striking and elegant yet very easy to make. Try it the next time you have dinner guests.
Curated Video
How to Make a Dissolving Bikini as a Prank
Howcast - Someone pull a fast one on you? Make them squirm -- and get your revenge -- with this sneaky prank.
Curated Video
How to Do the Classic Cups & Balls Magic Trick
Howcast -Learn how to do the classic cups and balls trick from magician Michael Patrick in this Howcast magic tricks video.
Curated Video
Suit of Pentacles
Howcast -Learn the meanings of the Suit of Pentacles tarot cards from expert Ellen Goldberg, M.A. in this Howcast video.
Curated Video
Suit of Cups
Howcast -Learn the meanings of the Suit of Cups tarot cards from expert Ellen Goldberg, M.A. in this Howcast video.
Curated Video
Minor Arcana Tarot Cards
Howcast -Learn about the Minor Arcana tarot cards from expert Ellen Goldberg, M.A. in this Howcast video.
Curated Video
How to Make Coffee in a Coffee Maker
Whether you need a full pot of rocket fuel before the birds start chirping or just like a few sips of decaf with your dessert, knowing how to make coffee is an indispensable—and simple—skill.