The gastric brooding frog lays its eggs just like any other frog -- then swallows them whole to incubate. That is, it did until it went extinct 30 years ago. Paleontologist Michael Archer makes a case to bring back the gastric brooding...

We’ve known how to cure malaria since the 1600s, so why does the disease still kill hundreds of thousands every year? It’s more than just a problem of medicine, says journalist Sonia Shah. A look into the history of malaria reveals three...

In Cretaceous times (around 100 million years ago), North Africa was home to a huge river system and a bizarre menagerie of giant prehistoric predators -- including the Spinosaurus, a dinosaur even more fearsome than the Tyrannosaurus...

Conservatives and liberals both believe that they alone are motivated by love while their opponents are motivated by hate. How can we solve problems with so much polarization? In this talk, social scientist Arthur Brooks shares ideas for...

The biggest obstacle to dealing with climate disruptions lies between your ears, says psychologist and economist Per espen Stokes. He's spent years studying the defenses we use to avoid thinking about the demise of our planet -- and...

Hank talks about the search for pieces of a special meteoroid that exploded over California & Nevada last month.

Depression is a common disorder, and though it might seem like we’ve got it figured out, what it is and how to treat it is actually way more complicated than we think.

In the first mission of its kind, Deep Impact’s goal was to teach us about the interior of comets...by blowing a hole in the side of one!

Ghost stories reveal much more than the ghouls and spirits that haunt them. Settle in for a spooky delight as theater educator Coya Paz Brownrigg lays out three types of bone-chilling tales and exhumes the grave truths they hold about...

In 1849, in the ancient city of Nineveh in Iraq, archaeologists sifted through dusty remains, hoping to find records to prove that Bible stories were true. What they found instead was a 4,000-year-old story inscribed on crumbling clay...

In war we often see only the frontline stories of soldiers and combat. AT TEDGlobal 2010, Zainab Salbi tells powerful "backline" stories of women who keep everyday life going during conflicts, and calls for women to have a place at the...

We live in a world of unseeable beauty, so subtle and delicate that it is imperceptible to the human eye. To bring this invisible world to light, filmmaker Louie Schwartzberg bends the boundaries of time and space with high-speed...

So we all know that breathing is pretty important, right? Today we're going to talk about how it works, starting with the nameless evolutionary ancestor that we inherited this from, and continuing to the mechanics of both simple...

Many companies have made strides when it comes to prioritizing diversity, equity, and inclusion (DEI), but one group remains largely left out: people who have been involved in the criminal justice system. Social impact investor Nyra...

Performance poet (and math student) Harry Baker spins a love poem about his favorite kind of numbers -- the lonely, love-lorn prime. Stay on for two more lively, inspiring poems from this charming performer.

This video focuses on general functions of biomolecules. The biomolecules: carbs, lipids, proteins, and nucleic acids, can all can have important functions in the body. However, this video is not giving human dietary guidelines and...

Aliens - Are We Looking in the Wrong Place?

For the past 20 years, photographer and TED Fellow Jon Lowenstein has documented the migrant journey from Latin America to the United States, one of the largest transnational migrations in world history. Sharing photos from his...

You may know about The Marshmallow Test, a popular psychological exam to see if people have willpower, but psychologists found that it might not be measuring willpower after all.

Mihaly Csikszentmihalyi asks, "What makes a life worth living?" Noting that money cannot make us happy, he looks to those who find pleasure and lasting satisfaction in activities that bring about a state of "flow."

Physicist Freeman Dyson suggests that we start looking for life on the moons of Jupiter and out past Neptune, in the Kuiper belt and the Oort cloud. He talks about what such life would be like -- and how we might find it.

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. In this passionate talk, Eve Ensler declares that there is a girl cell in us all -- a cell that we have all been...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. For five years, young Emmanuel Jal fought as a child soldier in the Sudan. Rescued by an aid worker, he's become an...

As we expect more from technology, do we expect less from each other? Sherry Turkle studies how our devices and online personas are redefining human connection and communication -- and asks us to think deeply about the new kinds of...