We don't think of rivers and lakes as something that are greatly affected by fires, but it turns out these disasters can have a big effect on the acquatic wildlife that calls these places home.

It's the battle of the SciShow Psych Hosts: Brit Garner and Hank Green! Brit came prepared, but can Hank still win the game for his Patron?

Deep into the ocean even the slightest glimmer give you away. Which is why some fish have evolved to be so dark that they absorb any light that hits them.

Our oceans are unexplored and undersampled -- today, we still know more about other planets than our own. How can we get to a better understanding of this vast, important ecosystem? Explorer Sebastien de Halleux shares how a new fleet of...

Some 80 to 90 percent of undersea creatures make light -- and we know very little about how or why. Bioluminescence expert Edith Widder explores this glowing, sparkling, luminous world, sharing glorious images and insight into the unseen...

Cartoonist Jim Toomey created the comic strip Sherman's Lagoon, a wry look at underwater life starring Sherman the talking shark. As he sketches some of his favorite sea creatures live onstage, Toomey shares his love of the ocean and the...

Ecologist Eric Berlow doesn't feel overwhelmed when faced with complex systems. He knows that more information can lead to a better, simpler solution. Illustrating the tips and tricks for breaking down big issues, he distills an...

It doesn't seem possible, but animal rain is definitely real, and there is an actual scientific explanation for it... probably.

Being a parent requires a lot of time and energy, but some animals are extremely devoted to caring for their young, and these five might not be the ones you would expect.

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If we want to see more clearly in the dark, we shine a light - but we aren't the only species that does that. Some fish use active photolocation to shine their own light in the deep sea!

If you’ve been to a sporting event with a large number of people, you’ve likely seen, or even been a part of, “the wave.” But did you know that there are little fishies who do a version of the wave not for fun, but for survival?

Joe went behind the scenes at Monterey Bay Aquarium to meet the Giant Pacific Octopus, a powerful and curious creature that challenges many of our notions of intelligence!

In this inspiring talk about recent developments in biomimicry, Janine Benyus provides heartening examples of ways in which nature is already influencing the products and systems we build.

Coral reef fish, like the yellow tang surgeonfish, begin life in a fascinating and weird way - as tiny floating larvae! These babies are capable of drifting thousands of miles on ocean currents, far from the reefs where they were born....

Humans have been eating seafood for thousands of years, but some animals don’t grow very fast, and others taste pretty gross for at least part of the year. To solve these problems, scientists sometimes turn to genetics. If you eat...

Hank Green and Michael Aranda must put their knowledge of hearing, seeing, and tasting to the test in order to win this quiz show written and hosted by the inimitable Blake de Pastino and his sidekick, Smart Blake.

Sleep is complicated. And there's still a lot we don't know about it, but zebrafish larvae are a surprisingly good place to look to learn more about what makes us sleepy.

Species that no longer exist vastly outnumber those that currently populate the planet, but occasionally we rediscover a species we thought was extinct!

In this stunning slideshow, celebrated nature photographer Frans Lanting presents The LIFE Project, a poetic collection of photographs that tell the story of our planet, from its eruptive beginnings to its present diversity. Soundtrack...

They're the second-largest fish in the world, they're almost extinct, and we know almost nothing about them. In this talk, Simon Berrow describes the fascinating basking shark ("great fish of the sun" in Irish), and the exceptional --...

Snakes aren’t just muscle-y danger noodles. They're extremely diverse, and some have really weird, unique adaptations that we could all probably appreciate a little more.

If you’ve ever heard stories of a naughty little fish with a penchant for swimming up urethras, don’t believe the hype—these tiny Amazonian catfish are just victims of a very old rumor mill.

Marine biologist Tierney Thys asks us to step into the water to visit the world of the Mola mola, or giant ocean sunfish. Basking, eating jellyfish and getting massages, this behemoth offers clues to life in the open sea.

Cone snails are venomous marine snails who use their venom in creative ways to take down their prey. And scientists have realized that certain chemicals in these venoms could actually be pretty useful for medicine.