You know how moths like to fly into lamps or crawl all over your tv screen at night? Why do they do this?! The answer is more complicated than you might think

For a long time, rogue waves (defined as waves that are greater than twice the height of surrounding waves) were thought to be a myth, like mermaids or the kraken, but recent developments in satellite imagery and oceanic instruments now...

Hypnosis: that's just a fun gimmick for stage shows and plot twists, right? Well, turns out there might be more to it.

Welcome to Crash Course World Mythology, our latest adventure (and this series may be literally adventurous) in education. Over the next 40 episodes or so, we and Mike Rugnetta are going to learn about the world by looking at the...

Why are eggs egg-shaped? There's a logic to it, but it's ovoid!

It's time to heat things up! LITERALLY! It's time for Hank to talk about the history of Thermodynamics!!! It's messy and there are a lot of people who came up with some ideas that worked and other that didn't and then some ideas that...

In 1822, Count von Bothmer shot down a stork in Germany. However, the bird had already been impaled by a yard-long wooden spear. The stork had been speared in Africa and then flew over 2,500 km. This astonishing flight proved to be an...

Parachutes are a big part of keeping our astronauts safe, but despite being around for almost 500 years, there are still a lot of things we need to work on before they can be full proof.

Entropy is surely one of the most intriguing and misunderstood concepts in all of physics. The entropy of the universe must always increase - so says the second law of thermodynamics. It's a law that seems emergent from deeper laws - ...

Given that Earth’s magnetic field helps protect its life-sustaining atmosphere, you might think that the stronger a planet’s magnetic field, the better. But as it turns out, some planets’ relationships with their magnetic fields are a...

It's 1843, and a debate is raging about one of the most common killers of women: childbed fever— no one knows what causes it. One physician has observed patients with inflammation go on to develop childbed fever, and therefore believes...

If you don't have any idea what antimatter is, you don't have to feel bad - the brightest minds in the world have only recently begun to understand what it is and how it works. Hank gives us the run down on what we know about antimatter,...

What if I told you that, more than two billion years ago, some tiny living thing started to live inside another living thing .... and never left? And now, the descendants of both of those things are in you?

You might think that quantum physics was discovered because of some super complicated electron behavior or something, but it was actually invented to explain ovens.

Hank does his best to convince us that chemistry is not torture, but is instead the amazing and beautiful science of stuff. Chemistry can tell us how three tiny particles - the proton, neutron and electron - come together in...

You might be concerned with your kids talking to their invisible friends, but those imaginary friends might have some positive impacts on your kids.

If you've ever been pregnant, or been around a pregnant lady, you know that the agony that is morning sickness -- and it's not just something that happens in the morning! SciShow explains the many theories about what causes it.

Everyone knows the name Charles Darwin, but his lesser known frenemy, Alfred Russel Wallace, was developing a lot of the same ideas around the same time.

Emily Graslie joins us to share the wonder of how shoulders, humble as they may be, have played a huge role in the evolution of mammals the world over. Thanks to the Museum of Comparative Zoology at Havard and The Field Museum for...

Kids are weird. They eat mud, talk to bugs, and stick things up their noses... but the changes kids go through as they grown out of infancy and into childhood are even weirder!

Language is endlessly variable. Each of us can come up with an infinite number of sentences in our native language, and we're able to do so from an early age— almost as soon as we start to communicate in sentences. How is this possible?...

What is light? That is something that has plagued scientists for centuries. It behaves light a wave... and a particle... what? Is it both? In this episode of Crash Course Physics, Shini introduces to the idea of Quantum Mechanics and how...

Our next stop on our tour of ethics is Kant’s ethics. Today Hank explains hypothetical and categorical imperatives, the universalizability principle, autonomy, and what it means to treat people as ends-in-themselves, rather than as mere...

The name “The Big Bang” makes it sound like there was a big explosion in one particular spot, but if that’s the case, where did it happen?