In this episode, Jessi and Squeaks explore the many ways that caterpillars use to avoid being munched on by predators, and that it often comes down to how they look! <br/>

Did you ever notice how many jokes start with _Did you ever notice?" And what's the deal with "What's the deal?" There's a lot of funny to be found simply by noticing the ordinary, everyday things you don't ordinarily notice every day....

Try CuriosityStream todayef='http://curiositystream.com/crashcourse' target='_blank' rel='nofollow'>today and use the promo code "crashcourse" to get the first two months free! Is Citizen Kane the BEST MOVIE EVER MADE? Is that even...

Humans love illusions, but are we the only animals that fall for them?

Another year, another security breach that could expose all of your information. Installing updates might be a good New Year's resolution.

Cognitive scientist Donald Hoffman is trying to answer a big question: Do we experience the world as it really is ... or as we need it to be? In this ever so slightly mind-blowing talk, he ponders how our minds construct reality for us.

Magicians have a handy ace up their sleeve: Your brain, and they're not the only ones who know how to use it.

Rodney Mullen is the godfather of street skating, and in this exuberant talk he shares his love of the open skateboarding community. He shows how the unique environments skaters play in drive the creation of new tricks -- fostering...

If most people got on a skateboard, they would roll forward slowly for a few feet, then fall down and break their wrists. But there are a proud few who can do some pretty amazing tricks on a board, and they use physics to pull them off....

While plants don't really have the thumbs required for high-end cosplay, here are a few that have made a career of looking like something they're not.

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How much do you know about the world? Hans Rosling, with his famous charts of global population, health and income data (and an extra-extra-long pointer), demonstrates that you have a high statistical chance of being quite wrong about...

Artificial intelligence is getting smarter by leaps and bounds -- within this century, research suggests, a computer AI could be as "smart" as a human being. And then, says Nick Bostrom, it will overtake us: "Machine intelligence is the...

Designer Jared Ficklin creates wild visualizations that let us see music, using color and even fire (a first for the TED stage) to analyze how sound makes us feel. He takes a brief digression to analyze the sound of a skatepark -- and...

I’t teach an old dog new tricks — but that saying might not be as trustworthy as you’d think.

Marco Tempest spins a beautiful story of what magic is, how it entertains us and how it highlights our humanity -- all while working extraordinary illusions with his hands and an augmented reality machine.

A SciShow kid wrote us and asked: What is camouflage and how does it work? Join Jessi as she explores how different kinds of animals play hide-and-seek in the wild!

This week, Mike introduces you to Tricksters, starting with Anansi, the West African trickster god who is also sometimes a spider. Tricksters are, well, tricky. They're wise and foolish, they're promiscuous and amoral, but in a lot of...

Mike Rugnetta continues to teach you about Tricksters in myth, and this time we're headed to the Americas. Coyote and Raven appear in stories from many Native American groups, and more often than not, they're tricky. They're also often...

Imagine setting sail from Hawaii in a canoe. Your target is a small island thousands of kilometers away in the middle of the Pacific Ocean - a body of water that covers more than 160 million square kilometers. For thousands of years,...

New ReviewSome of the simplest details around us hide surprisingly smart secrets. From the quick trick that makes peeling peaches effortless to the real reason escalators have those tiny bristles, these everyday discoveries will make you see...

Higgins is done with Spangler's science pranks!

From beef flavoring in your McDonald's fries to fake grill marks and sodium levels that shatter daily limits, we're uncovering the hidden ingredients and industrial tricks that make fast food so irresistible—and so unhealthy.

Household hacks can make daily chores faster and easier while saving you money. From repurposing old items to organizing smartly, these tips keep your home efficient and clutter-free. Simple DIY solutions can help fix common problems...

New Fantastic Clothing Hacks You Should Try