Bill and Webb want to know: What's stronger, wind or water? Both of them can change the shape of the land. So which one does it better?

While the evolution of the butthole was a major breakthrough in animal development, its story might actually end with redefining what it means to have a butthole at all.

In the mid-2010s, researchers discovered something odd underneath Greenland - there was a giant hole under a glacier, and they had no idea what had caused it. More confusing still, other researchers were searching for the cause of a...

Batagay (aka Batagaika) Crater goes by many names. Scientists call it a retrogressive thaw megaslump; the internet may know it best as the Doorway to the Underworld. And since it opened up in the Siberian permafrost over half a century...

What if there were a tunnel through the middle of the earth and you jumped in?

It's leap year time... so what are years, anyway? And what do they have to do with the supermassive black hole in the core of the milky way?

How Long To Fall Through the Earth?

Belly buttons are, typically, a human's first scar. A sign that you used to feed through an umbilical cord that connected your tummy to a placenta. But it turns out you don't have to feed from a placenta to get a similar scar. It might...

Because eclipses are powerful and frightening events, ancient cultures went to great lengths to understand eclipses, leading to remarkably accurate predictions and helping invent the science of astronomy.

There's an abandoned Soviet nuclear bunker in Poland full of cannibal ants. And weird as it sounds, it's helping us learn more about the behavior of social insects.<br/>

We’ve talked a lot about black holes, but there are other kinds of space holes out there that deserve some time in the spotlight!

500 years before the Scientific Revolution, the mathematician Al-Hassan Ibn al-Haytham spent hours in a dark room studying the light that filtered in. Not only did he revolutionize how we literally see the world, he pioneered the...

If you were taking an engineering class in school and you turned in the human body for your final exam… you would get like, a C+. Or maybe a B- at best. That’s because the human body is full of design flaws. Except they aren’t really...

Hold on to your butts. This episode is about… butts. The science and evolutionary history of your rear end, the down-low on your derriere, shining a little light where the sun don't shine… you get the picture. But(t) seriously, we don't...

One Minute Physics provides an energetic and entertaining view of old and new problems in physics -- all in one minute!

Around the world, there are lakes that disappear without warning. Then, suddenly without warning, they sometimes return! This vanishing and reappearing affect reveals some surprising connections. Learn all about it with Hank on this new...

Hank gets to the bottom of two studies reporting high sea ice coverage and snowmass in Antarctica in the same year that the Arctic has reported a record low of sea ice. What is going on here?

Some people have more taste buds than the rest of us. They’re called supertasters, and they can taste things others can’t. Special thanks to our tasters: Matthew Gaydos Lindsey Doe Julia Maes Hank Green

Be careful with your wool. Unless you want a nice piece of felt with some holes in it.

A new healing gel helped mice regrow brain tissue after a stroke, and scientists suspect someone out there is producing a bunch of ozone-destroying CFCs in defiance of an international agreement! Hosted by: Hank Green

We have plenty of exciting news on holes in the earth and holes in your face! One of them broke records and the other keeps you healthy.

Squeaks is back from visiting Sam the Bat’s cave and is excited to learn all about how different caves form and why they look the ways they do!

Jessi and Squeaks are eating some pancakes and learning all about their favorite pancake topping: maple syrup! Learn how maple trees use air, water, and sunlight to make sugar for the tree to use as food, called sap, and how humans...

What if there were a tunnel through the middle of the earth and you jumped in?