Life doesn't go from A to B -- it's messy, says sailing legend Tracy Edwards. In this inspiring talk, she tells how she went from teenage misfit to skipper of the first all-female crew in the toughest race on the seas -- and how she now...

Some people argue that the Polar Vortex is evidence against global climate change, but there’s actually growing evidence that a warming Arctic means colder winters.

The brain of luchador Hanko wants to take on the worlds fastest supercomputer, "K," in a cage match for bragging rights - which one is the most impressive information processor?

Solving a discrete math puzzle, namely the stolen necklace problem, using topology, namely the Borsuk Ulam theorem

Some days, it feels like the only thing we can agree on is that we can't agree -- on anything. Drawing on her background as a world debate champion, Julia Dhar offers three techniques to reshape the way we talk to each other so we can...

The good news is that your experimental robo-ants are a success. The bad news is that you accidentally gave them the ability to shoot deadly lasers . . . and you can't turn it off. Can you stop them from escaping their habitat before the...

Imagine you're on a game show and you can choose between two prizes: a diamond - or a bottle of water. It's an easy choice _ the diamonds are more valuable. But if given the same choice when you were dehydrated in the desert, after...

Tango, waltz, foxtrot ... these classic ballroom dances quietly perpetuate an outdated idea: that the man always leads and the woman always follows. That's an idea worth changing, say Trevor Copp and Jeff Fox, as they demonstrate their...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. How can the US recover after the negative, partisan presidential election of 2016? Social psychologist Jonathan...

What is the second derivative? Third derivative? How do you think about these?

Paula Scher looks back at a life in design (she's done album covers, books, the Citibank logo ...) and pinpoints the moment when she started really having fun. Look for gorgeous designs and images from her legendary career.

As a wildfire rages through the grasslands, three lions and three wildebeest flee for their lives. To escape the inferno, they must cross over to the left bank of a crocodile-infested river. Can you help them figure out how to get across...

The longest recorded case of hiccups lasted for 68 years - and was caused by a falling hog. While that level of severity is extremely uncommon, most of us are no stranger to an occasional case of the hiccups. But what causes these "hics"...

Hank Green and Michael Aranda must put their knowledge of hearing, seeing, and tasting to the test in order to win this quiz show written and hosted by the inimitable Blake de Pastino and his sidekick, Smart Blake.

Great dreams aren't just visions, says Astro Teller, "They're visions coupled to strategies for making them real." The head of X (formerly Google X), Teller takes us inside the "moonshot factory," as it's called, where his team seeks to...

NASA is sending a robot to Saturn’s giant moon Titan and instead of landing, orbiting, or driving when it gets there, this mission will fly.

We may not be sure who’s behind it, but we can tell you that the Charlie Charlie Challenge doesn’t really work. Because physics.Very, very special thanks to Henry Reich of Minute Physics for helping with the content of this video.

Most of the time, it’s not great when an expensive spacecraft slams into an extraterrestrial body. But now and then mission control intentionally crashes a spacecraft for science!

SPOILERS: It doesn't end well.

People love Santa. Christmas is the largest holiday in western culture, and Santa Claus is the centerpiece of that holiday (sorry baby Jesus). But even though our understanding of Santa changes as we mature, we still maintain and...

What do communities on the social, economic and environmental margins have in common? For one thing, they tend to be on the east sides of cities. In this short talk about a surprising insight, anthropologist and venture capitalist...

Let's face it, online dating can suck. So many potential people, so much time wasted -- is it even worth it? Podcaster and entrepreneur Christina Wallace thinks so, if you do it right. In a funny, practical talk, Wallace shares how she...

Flight is about to get a lot more personal, says aviation entrepreneur Rodin Lyasoff. In this visionary talk, he imagines a new golden age of air travel in which small, autonomous air taxis allow us to bypass traffic jams and...

The dot-com boom and bust is often compared to the Gold Rush. But Amazon.com founder Jeff Bezos says it's more like the early days of the electric industry.