Could we one day live on Mars? Reid Reimers explains Mars One could help colonize the red planet.

Hank explains the scientific reasons behind why we humans generally prefer to eat donut hamburgers to carrots.

By giving some fossils a dental exam, we've learned more about how tusks first evolved. And humans aren't the only primate that can get down at karaoke night.

This week, scientists revealed a sample of amber containing an extinct tick that fed on dinosaurs. Unfortunately, we can't take a blood sample from it and make Jurassic Park a reality, but it can still tell us a lot about how dinosaurs...

Living in a city means accepting a certain level of dysfunction: long commutes, noisy streets, underutilized spaces. Carlos Moreno wants to change that. He makes the case for the "15-minute city," where inhabitants have access to all the...

Frogs falling victim in the past to one of the biggest destroyers of biodiversity didn’t have much hope, that is, until humans thought to get a bird’s eye view.

Different dogs look incredibly different - but that doesn't mean they are necessarily more diverse.

For decades scientists believed that monkeys could not speak human language due to an anatomical difference in vocal tracts. Today, we're not so sure that this is the limiting factor after all.

Aliens - Are We Looking in the Wrong Place?

Astringent plant chemicals called tannins bind proteins on mucous membrane and skin, generating a prickly, puckery mouthfeel from foods and letting us “tan” skins into leather. ___________________________________________ If you want to...

Designer Tea uglow is creating a future in which humanity's love for natural solutions and simple tools can coexist with our need for information and the devices that provide us with it. "Reality is richer than screens," she says. "We...

From the glorious crested guinea fowl to the adulterous African jacana to vultures that can pick a zebra carcass clean in 30 minutes, Washington Wachira wants us all to get to know the marvelous species of birds that share the planet...

In a few million years, we’re going to have to leave Earth if we want to survive. But how long can we actually outrun extinction before the universe becomes uninhabitable to us?

Our new evolution simulator reveals that extinction often happens when conditions change quickly.

A new strain of bird flu has been detected in North American birds for the first time in seven years. And U.S. President Biden is temporarily lifting the country's summertime ban on E15 gasoline.

Christopher McDougall explores the mysteries of the human desire to run. How did running help early humans survive -- and what urges from our ancient ancestors spur us on today? McDougall tells the story of the marathoner with a heart of...

Meet Todai Robot, an AI project that performed in the top 20 percent of students on the entrance exam for the university of Tokyo -- without actually understanding a thing. While it's not matriculating anytime soon, Todai Robot's success...

Which Bear Is Best?

2020 is going to be an exciting year for space exploration, if everything goes according to plan. Humans are heading to space in new spacecraft, multiple Mars missions are on the horizon, and scientists are getting a new perspective on...

What happens if you get infected with the coronavirus? Who's most at risk? How can you protect yourself? Public health expert David Heymann, who led the global response to the SARS outbreak in 2003, shares the latest findings about...

Sharks are WAY more important than you may realize.

We've been hearing about self-driving cars for years, but autonomous vehicle entrepreneur Aicha Evans thinks we need to dream more daringly. In this exciting talk, she introduces us to robotaxis: fully autonomous, eco-friendly shuttles...

The same enzyme that used to save us is now killing us because the body reactions it catalyzes now cause more harm than good.

For almost a decade, scientists chased the source of a deadly new virus through China’s tallest mountains and most isolated caverns. They finally found it in the bats of Shitou Cave. The virus in question was a coronavirus that caused an...