Modern Human Migration and Echolocating Eels

There’s something that’s been puzzling scientists for a while. We knew that modern humans originally came from Africa about 200,000 years ago, but… we didn’t really know when we left. According a paper published this week in Nature, teeth found in Fuyan Cave in the Hunan Province of China puts prehistoric modern humans, or homo […]

7 of the Most Uniquely Fierce Sharks

[ ♪ Intro ] Sharks come in a lot of different shapes and sizes, and not just big, bigger, and “God, help save me!” Worldwide, there are at least 500 different shark species, and most of them aren’t the bazillion-toothed, seal and surfer-terrorizing nemeses of the deep that Hollywood tells us they are. The great […]

When Sharks Swam the Great Plains

If you’ve ever been to, or lived in, or even flown over the central swath of North America, then you’ve seen the remnant of what was a uniquely fascinating environment. It’s all prairies and cities now, but long ago, it was rife with exotic, aquatic life. It was full of ammonites, colossal clams, and toothy […]

What If There Were No Sharks?

[SCARY MUSIC] Why are sharks so scary?! Bloodthirsty beasts just waiting out there in the waves to feast on human flesh. If only we could get rid of these guys our vacations would be so much safer, nothing to worry about while we’re surfing and frolicking out there in the ocean. Except that’s not the […]

Super Sharks!

when you think of a shark what do you picture in your mind do you think of a big thing sticking out of the water or maybe a huge set of sharp teeth sharks are some of the most famous animals in the ocean but do you know what makes a shark shark well for […]

How Do Sharks and Rays Use Electricity to Find Hidden Prey? | Deep Look

We live in a world full of electric fields. Animals, plants — even the earth itself — creates them. But only a handful of creatures can actually sense them. Sharks — also rays and skates… a whole group, animals called elasmobranchs — can actually detect electricity Maybe it’s like feeling the presence of someone hiding […]

3 Diseases That Make You Stink

So, you know in Game of Thrones, there’s this character—smells really bad, they call him “Reek”? Turns out, that could actually be caused by medical conditions that we know of, medical conditions that cause you to emit odors that go way beyond the typical stinky armpit. In some cases, you might reek of boiled cabbage, […]

Nature’s Cutest Symbiosis: The Bobtail Squid | I Contain Multitudes

[MUSIC PLAYING] Hello. Yes, it’s me, right here. Being able to turn invisible, or at the very least being incredibly well-camouflaged, is incredibly useful, especially if I was a spy. I’m not a spy. For me, it would be really fun to be able to disappear from view on a whim. But for this creature, […]

Do Fish Drink Water?

If you have a pet, one of your jobs might be to make sure that your pet has plenty of food and water… …unless, of course, your pet is a fish! You have to feed your fish, but you don’t have to give them water — there’s water all around them! But do fish need […]

3 Things Fish Shouldn’t Be Able to Do

[ INTRO ] When you look at a goldfish in a bowl, it’s hard to imagine there’s much going on behind those googly eyes. But biologists have found lots of amazing things about fish, like how their swim bladders let them control buoyancy. Some fish even take their adaptations to the extreme—almost like they have […]