A world without predators. It sounds like a safer, happier world, but come on, this is science…

This video is about weird condensed matter systems, aka materials that have bizarre emergent particles in them that are unlike most other particles in the universe.

Why do Bats Transmit So Many Diseases Like Ebola

Scientists have recently discovered the cells responsible for a deer's amazing ability to regrow antlers in just a few months. It may be the key to healing human wounds and broken bones faster.

We're all used to our bodies being more or less the color they always are. But there are a few different medical reason you may be seeing rainbow in the mirror, from benign to medically concerning. Here's just some of the reasons that...

There's an abandoned Soviet nuclear bunker in Poland full of cannibal ants. And weird as it sounds, it's helping us learn more about the behavior of social insects.<br/>

The body can get a whole lot colder - but not a whole lot hotter - before we die. Why is that?<br/>

In the future, we may see more continent-sized dust storms like the one nicknamed Godzilla, which crossed the Atlantic ocean in 2020. And since then, researchers have been looking into what caused such a colossal storm. If we can predict...

Did you know that last year we had 28 of the fastest days ever recorded? Earth's rotation can be affected by a number of things, and scientists think we might someday need an unprecedented adjustment: deleting a second!

You've probably heard of acid rain: rain that's more acidic than normal because of pollution in the atmosphere. But, if rain can become more acidic, shouldn't it also be able to become more basic?

Carbon dating transformed fields like archeology and paleontology, but its use might be in danger.

What is heavy water, and is it safe to drink? Heavy water, or deuterium oxide, has some pretty important scientific applications. But what would happen to your body if you actually drank it? Hosted by Hank Green.

Why do we faint? Because sometimes, your nervous system just doesn’t know what to do with itself.

Scientists have developed a way to grow miniature versions of human organs; some of the weirdest organoids are the mini brains.

People have been getting tattoos for thousands of years, but we've never quite been sure why the ink sticks around under our skin. A group of researchers now think they might have the answer. Plus, scientists are on the road to making...

Have you had a normal menstrual cycle and then you suddenly miss a period? There are different reasons why this can happen, and if you don't experience a period you were expecting, you’ll probably want to talk to your health care...

Everybody poops ... but is it possible that you're pooping all wrong? Learn the science behind the greatest debate of our time: squat vs. sit! Thanks to Patreon Patron Maia for asking this important question!

Whose pleasure is prioritized during sex, and why? Psychosexologist Karen Gurney explains how a lack of equal pleasure in the bedroom actually reflects broader gender inequality in society -- and asks you to reconsider what dynamics are...

English is a confusing language for many reasons. But the irregular verbs might be the most confusing part. Why is "told" the past tense of "tell" but "smold" isn't the past tense of "smell"? It turns out that the study of irregular...

Even the parts of our brains that don't control physical movement show a lot of rhythm, and that might be integral to how our brains...

Sometimes medications that were developed to treat one condition can end up being useful for seemingly unrelated ailments. Chapters View all DEXTROMETHORPHAN & PSEUDOBULBAR AFFECT 1:48 MEMANTINE & OCD 2:25 NALTREXONE & BEHAVIORAL...

Hank Green interviews Scishow's Chief Editor Blake de Pastino who explains his interest in writing about science, paleontology & anthropology. Special guest Jessi Knudsen Castañeda brings corn snakes for everyone to play with.

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. What do Tourette syndrome, heroin addiction and social media obsession all have in common? They converge in an area...

The Hypatia stone is one of the weirdest rocks on the planet. It's not just out of this world, it might be out of this solar system!