What happens when you divide things that aren't numbers?

If we want to fix our politics, we have to do something about inequality, says social psychologist Keith Payne. Showing how economic inequality changes the way people see and behave towards one another, Payne helps explain the rise of...

We all know the words around electricity -- _charge," _positive," _battery" and more. But where do they come from and what do they really mean? Let the history of these words illuminate the physics of electric phenomena.

One of the topic that we've talked about the most is depression. It is a really complicated subject, so we’ve put together some of our episodes about depression to hopefully help you understand more about it.

Serotonin is the chemical messenger we can thank for being related to feelings of happiness, and one of the ways you can produce this chemical is to turn to our old friend nature! So maybe a visit to the dog park really can make you feel...

A new drug reduces the risk of heart attacks by 40%. Shark attacks are up by a factor of two. Drinking a liter of soda per day doubles your chance of developing cancer. These are all examples of a common way risk is presented in news...

This week on SciShow News, toxic waste from an abandoned mine turned a river yellow, and new research shows that threatened fruit flies may have more diverse offspring.

In this episode of Crash Course Psychology, Hank takes a look at WAIS and WISC intelligence tests and how bias can really skew both results and the usefulness of those results.
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WAIS &
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We’ve been studying the body for most of human history, and yet we are still finding new organs (or parts of them - depending on your definition). Also, thanks to some marmosets, we know a little more about how anxiety and depression...

If you've ever wondered why you crave certain foods or what your appendix actually does, there's something in this collection for you!

You may have heard about a study where researchers were able to grow lumps of neural tissue that showed measurable activity – a little bit like an actual brain. Are scientists trying to grow artificial brains, and if so, what kind of...

On making math videos

Inspired by Star Trek, scientists are trying to learn more about animals' brains through virtual reality, and it turns out that a component of human milk helps protect babies from bacteria!

A huge and diverse subfamily of dogs, the bone-crushers patrolled North America for more than thirty million years, before they disappeared in the not-too-distant past. So what happened to the biggest dogs that ever lived?

Over the course of 50 episodes, we're going to learn about Black American History. Clint Smith will to teach you about the experience of Black people in America, from the arrival of the first enslaved Black people who arrived at...

In this prescient 2005 talk, Clay Shirky shows how closed groups and companies will give way to looser networks where small contributors have big roles and fluid cooperation replaces rigid planning.

We all know that when we make decisions in groups, they don't always go right -- and sometimes they go very wrong. How can groups make good decisions? With his colleague Dan Ariely, neuroscientist Mariano Sigman has been inquiring into...

FOMO (the fear of missing out) is a fairly common phenomenon, especially in this digital age. It can cause you significant stress and anxiety, but luckily psychologists have come up with a few tricks to combat it.

We are living through the tech-enabled unraveling of full-time employment itself, says anthropologist Mary L. Gray. As the pandemic exposes and accelerates the shift to on-demand online labor, Gray takes us inside the jobs being created...

Today, we're going to explore the world of role-playing games. Role-playing games are different than most, because they're technically a form of interactive storytelling with one player managing the game as the game master (or dungeon...

SciShow News takes you to the depths of the Earth, where the world’s most abundant mineral is found, and to the Arabian Sea, where a strange population of whales has been living in isolation for 70,000 years!

Nootropics are a group of chemicals that supposedly make you “smarter” without any side-effects. But don’t rush into it yet! It might be still too experimental to test it out.

Fossils found around the world suggest that multi-cellular life was not only present before the Cambrian Explosion, it was much more elaborate and diverse than anyone thought. This is the story of the sudden burst of diversity that...

If you’ve ever been around animals, you know they can have different personalities, but there’s one trait that scientists used to believe was uniquely human.