If you've wandered down a supplement aisle recently, you may have come across a bottle for sale that has "anti-aging" ingredients to help your body make a molecule called NAD+, better known as nicotinamide adenine dinucleotide. Your...

Why do we have wisdom teeth? They're just going to come in wrong and cause problems. Wisdom teeth are a souvenir from our early human ancestors, and we actually understand less about them than you might think.



Hosted by: Reid...

Artificial Intelligence always takes over humanity in the movies when it gains consciousness. But even without getting into sentience, it's capable of influencing our lives in a lot of ways already.



Hosted by: Stefan Chin...

Groundhogs are famous in North America for "predicting" when spring will come (and also that Bill Murray movie). But while they might make for terrible meteorologists, they actually play a valuable role in several other scientific...

Dams are great for humans, providing hydroelectricity and flood control. They're also horrible for the rivers they block. Here are three success stories of ecosystems that bounced back after a dam was removed.



Hosted by:...

Every day, airplanes fly over the Panama-Colombia border and drop millions of flies from the sky. It's part of an intense effort to control a deadly pest called screwworms, and believe it or not, it works.



Hosted by: Stefan...

In 2020, students from the University of Texas proposed sending a fleet of rovers to the Moon that, for a price, would carve words and symbols into the surface for *you*, random human. And that got us thinking, how big would such a...

Fecal transplants are often associated with treating intestinal issues, but they have uses far beyond that. In this List Show, we explore five surprising conditions they improve. <b<br/>r/>

Hosted by: Hank Green (he/him)

Trees are dead inside. It's true: the xylem tissue that supports their trunks technically isn't alive. Archaeologists hate that because this problem, the old wood problem, can cause carbon dating to be off by hundreds of...

One of game theory's most famous quandaries is the Tragedy of the Commons. But, through her years of research, Nobel Prize winner, Elinor Ostrom, showed us that we're not doomed to tragedy after all.



Hosted by: Stefan Chin...

China's Zhangye Danxia National Geopark is home to strikingly beautiful rainbow mountains -- yes, what you're seeing is real! But the secret to this amazing sight might be something incredibly humble: dirt.



Hosted by: Stefan...

Octopuses are smart. Like, gather a posse of fish to do their hunting for them smart. And when the fish step out of line, the day octopus punches them. Really.<b<br/>r/>

Hosted by: Hank Green (he/him)

Have you ever wondered why all the tasty parts of your box of cereal rise to the top? There's a lot of physics behind why mixtures can sometimes un-mix themselves, and if you use it to steal all the marshmallows, we won't...

Two billion years ago, an igneous rock in northern South Africa formed. Not long after, some bacteria crawled into cracks in that rock, and got trapped inside when the cracks got plugged up by a bunch of clay. But that bacterial colony...

This lake in Canada sports a stunning summer look - spots! And the weird geology and hydrology that makes these spots is definitely worth talking about. Plus, Spotted Lake may not be the only one of its kind, and might tell us more...

If you've ever had lice, you probably think of them as a temporary annoyance. But for the salmon industry, these pesky invertebrates cause real damage. So here are some of the wildest ways that science helps us fight these...

ME/CFS, or myalgic encephalomyelitis/chronic fatigue syndrome, is way more than being tired at the end of the day. And, contrary to situations like that, exercise is the last thing you'd want to do.



Thanks to Jaime...

Scientists are starting to find a strange connection between neurodegenerative diseases like Alzheimer's, Parkinson's, ALS, MS, and dementia. They all seem to follow on the heels of common but severe infections. And that means we might...

If you've ever heard about things like mammoths being found in permafrost, you may have an image in your head of what that looks like. But you might be wrong! So let's talk about what permafrost really is, why it's so important, and...

In the 1930s, a skeleton was discovered at the bottom of a well at the site of a medieval Norwegian fortress, severely injured and buried under large rocks. And to uncover his story, we need a combination of carbon dating, genetics,...

In the early 19th century, a French weaver named Joseph-Marie Jacquard was searching for a better way to make fabric. And in so doing, he managed to invent a loom that inspired the first proper computer.



Hosted by: Savannah...

Mount Everest is the tallest mountain in the world. But it didn't earn that title by coincidence. Even after achieving that superlative, it keeps growing taller today.<b<br/>r/>

Hosted by: Stefan Chin (he/him)

Arrokoth, an asteroid in the Kuiper Belt, is the most distant object ever explored by the New Horizons spacecraft. And it's covered in sugar. Here's why that might be important for understanding the nature of life...

Blind people use the same part of their brains to recognize faces as sighted people, and can even identify a face from the sound of someone chewing. <b<br/>r/>

Hosted by: Reid Reimers (he/him)