In the history of our species, we still don’t know exactly how and when early humans migrated across the world, but some ancient footprints might be helping us figure it out.

Technologist and TED Fellow Gautam Shah invites us to imagine how the metaverse could redefine the relationships between humans and other species. By giving individual wild animals a personal identity (such as Fio, a young orangutan in...

Today we know that humans and chimpanzees share 99% of their DNA and that we have a lot in common. Not just how we look, but how we behave, form groups, defend our turf, and love each other. People didn't always see other primates this...

It's 1950. Anti-communist sentiment in the United States is at an all-time high. Senator Joseph McCarthy claims he has a list of communists who are influencing government policy. He makes his first accusation without providing any...

Backed by stunning illustrations, David Christian narrates a complete history of the universe, from the Big Bang to the Internet, in a riveting 18 minutes. This is "Big History": an enlightening, wide-angle look at complexity, life and...

In a dark cave, bats can't see much. But even with their eyes shut, they can navigate rocky topography at incredible speeds. This is because bats aren't just guided by their eyes, but rather, by their ears. It may seem impossible to see...

Today we're talking about evolution_basically the history of all life on Earth. The thing is, why are we talking about this. Well, the story of life, all the way back to single celled microbes billions of years ago, is all part of our...

These days, we’re pretty good at harnessing the power of antibodies for medicines and as molecular tools, but they do have some drawbacks. So, cutting-edge researchers are hoping to develop smaller and more stable alternatives, and...

Mars One. The Mars Rover. Bruno Mars. Mars Bars. It's pretty clear we're OBSESSED with the idea of Mars, especially in regard to it being a potential colony for earthlings. But is that really the best option? Is there a better place for...

Everyone hates mosquitos. Besides the annoying buzzing and biting, mosquito-borne diseases like malaria kill over a million people each year (plus horses, dogs and cats). And over the past 100 million years, they've gotten good at their...

What's up with ticklishness? And are other animals ticklish, too? Quick Questions has the answers!

You'd think if we can tell when a star is about to implode that we could predict when a giant hole is about to open up here on earth and ruin our day. So why are sinkholes still so hard to predict?

Space is hard on the human body, but a certain ground squirrel might have the guts to show us how to last longer in space.

We are approaching a whole new era! . . .or at least a new epoch. Michael Aranda explains how humans are leaving their mark on the Geologic Time Scale.

How much genetic diversity would we need to found a colony on another planet?

Goats are amazing creatures, but there's a lot more than meets the eye.

Meet the "ems" -- machines that emulate human brains and can think, feel and work just like the brains they're copied from. Futurist and social scientist Robin Hanson describes a possible future when ems take over the global economy,...

Throughout history and around the world, most people dislike hyenas. But why?

There are tens of thousands of types of worms on our planet, and these wiggly wonders are oh-so fascinating that we had to put together different stories about them to reveal just how 'wormdeful' they are.

History has shown us that in moments of crisis, society can truly transform, says environmental educator Severn Cullis-Suzuki. Nearly 30 years ago, at just 12 years old, she spoke at the UN's Earth Summit in hopes of reversing the...

Hank tells us about new and confusing discoveries in the field of Human Evolution.

50 years ago, humans walked on the moon! Let's celebrate by watching some of our favorite videos about the Apollo missions.

Why do cats love catnip so much? Researchers have found a possible evolutionary answer to this adorable feline phenomenon!

Preventing heartworm disease in your dog isn't just good for your furry friend. It turns out that humans can be infected with heartworm, too!