Burning a marshmallow can release more energy than detonating an equal mass of TNT...so why isn't a marshmallow as dangerous?

There are some places on our planet that seem pretty ordinary, they’re just… weirdly small. Like, a miniature desert, or a teensy volcano. But when you look a little closer, there’s a lot more to these tiny geological misfits than meets...

Hang Sơn Đoòng in Phong Nha-Kẻ Bàng National Park is the largest known cave in the world, big enough to have its own jungles, weather, and... pearls?

Even though less than 1% of Earth's water is freshwater, it's the home for 50% of fish species. This is the Freshwater Paradox.

Since the dawn of humanity, an estimated 100.8 billion people have lived and died, a number that increases by about 0.8% of the world's population each year. What happens to all of those peoples' bodies after they die? And will the...

Mr. Andersen demonstrates the azide-winkler method of dissolved oxygen analysis.

Join the Amoeba Sisters as they explore the excretory system! This video will first discuss two major functions of the excretory system before focusing on the nephron. The majority of this video will tour through the nephron while...

Last week we went up up up a mountain. Well, today we're going down down down into the ocean to see what habitats await us there. Yep, the ocean has layers and the types of things we encounter there change the deeper we go.

Everyone dies, but what do we do with those bodies? In this episode of SciShow, Hank explores the various options, from mummification to liquefaction, and everything in between.

The ocean is often thought of as a victim of climate change, in need of human protection. But ocean expert Susan Ruffo says that mindset needs to shift. From storing carbon to providing protection to coastal communities, Ruffo highlights...

Mister Brown gets a video message from his friend, Ariel Waldman, a real scientist who went all the way to Antarctica to study life that lives under the ice!

Boeing has developed a snazzy new spacesuit and a couple studies give us clues about the history of Earth and the moon!

We bring you a few upcoming missions that will be testing technology for future asteroid prospecting, trying to find more exoplanets, and continuing China's quest for a crewed moon mission.

There's a lot of talk these days about when and how we might all move to Mars. But what would it actually be like to live there? Mari Foroutan details the features of Mars that are remarkably similar to those of Earth — and those that...

We've known about global warming for 50 years and done little about it, says Google.org director Larry Brilliant. In spite of this and other depressing trends, he's optimistic and tells us why. From Skoll World Forum, Oxford, UK,...

There are 168 hours in each week. How do we find time for what matters most? Time management expert Laura Vanderkam studies how busy people spend their lives, and she's discovered that many of us drastically overestimate our commitments...