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

Jessi's in her lab mixing up something scary cool: potions! Join her to learn about different kinds of mixtures and how you can mix up your own potions using things you have at home!

Learn about the latest advances in the war against cancer from Stanford researcher Adam de la Zerda, who's working on some cutting-edge techniques of his own. using a remarkable imaging technology that illuminates cancer-seeking gold...

Venomous snakes produce some of the world’s deadliest substances, so they have to be pretty careful about how they use it. But what happens if they accidentally inject themselves with their own harmful cocktail?

Mosquitos might not be everyone’s favorite bug, but there’s a way we might at least be able to more comfortably coexist with these agitating arthropods.

Sugars aren’t just for munching and crunching, they also make up our genetic code! So what does it mean to find sugars INSIDE meteorites?

Have you ever seen a magic trick where one thing changes to another thing? Well, that's nothing compared to what plants can do through a process called photosynthesis. In this episode, Sabrina talks about how photosynthesis works! This...

As spring approaches in the Northern Hemisphere, we anticipate the fluttering butterflies and the capering baby lambs, and we can also expect to see some birds hammered out of their minds in the trees, and perhaps on the ground. In most...

Nearly 1000 "honor" killings are reported in Pakistan each year, murders by a family member for behavior deemed "shameful," such as a relationship outside of marriage. When Khalida Brohi lost a close friend to the practice, she resolved...

FEED ME! In this episode of Crash Course Kids, Sabrina has a chat with us about what living things eat to get energy. What makes something an omnivore, or a carnivore, or an herbivore? And how do plants fit in to all of this? This first...

While scientists have debunked the notion that putting artificial sweeteners in your coffee will give you cancer, that doesn’t necessarily mean you should go hog wild with them.

Salting roads in the winter is pretty commonplace in areas of the world that see freezing temperatures, but it isn't the only solution.

Dihydrogen monoxide (better know as water) is the key to nearly everything. It falls from the sky, makes up 60% of our bodies, and just about every chemical process related to life takes place with it or in it. Without it, none...

Female mammals make milk, a cocktail of filtered blood, to provide their babies with vital nutrients.

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hese...

This video is about how the physics and chemistry of sugar (in particular, how it melts, and how it caramelizes) is more complicated than you might think. It involves fructose, sucrose, glucose, and a sticky...

In this episode of SciShow we look at the most fascinating birds that hover!

Royal jelly! For bees, it’s what makes all the difference between a queen and a worker.

Hank explains the science behind the "cinnamon challenge," and reveals why it is nearly impossible to complete.Do not attempt the cinnamon challenge! Instead, why not just watch some videos of the thousands of YouTubers failing at it!...

From sucrose to high fructose corn syrup to... lead? Hank gives us the sweet and lowdown on sweeteners.

Sled dogs are the best endurance athletes in the world thanks to a weird quirk in their metabolism.

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Picture this: you're gorging on leftover Halloween candy. You take a bite of a fun-size chocolate bar and instead of sugary goodness, you get a flash of blinding pain in your tooth! What's the deal?

Glass is really cool, but where does it come from? Jessi and Squeaks have a pretty sweet activity to show you how glass is made



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PS1.A: Structure and Properties...

Hank takes on high fructose corn syrup - the new "dark lord of nutrition" - to help explain the ambiguities around all the claims being made about it.

A hearty bowl of cereal gives you the energy to start your day, but how exactly did that energy make its way into your bowl? It all begins with photosynthesis, the process that converts the air we breathe into energizing glucose. Cathy...