Many have tried to keep a white shark in captivity. Here's why that's so difficult.

North America didn’t always have its familiar shape, nor its famed mountains, canyons, and plains: all of that was once contained in an unrecognizable mass, buried deep in Rodinia, a huge supercontinent that lay on the face of the Earth. Peter J. Haproff explains how it took millions of years and some incredible plate tectonics to forge the continent we know today.

We’ve all experienced it, that annoying pressure in our head when we’re flying in a plane or a storm front comes in, then it pops! Find out how this popping happens and things to avoid so you don’t harm your ears.

Urushiol oil in poison sumac, poison oak, and poison ivy may produce a severe skin rash. Timely urushiol removal can prevent poison ivy skin reaction. The key is to understand how poison ivy works.

Remaining calm around people who annoy us is one of the great life skills.

Everyone is freaking out about Britain leaving the EU. But what if it helps the remaining countries get more done?

It seems like every few months, there’s some kind of news about problems with the scientific publishing industry. Why does this keep happening? And what can be done to fix the system?

How can you Yo-Yo without the string attached?

The engineering behind Snapchat's augmented-reality selfies.

So you went to a nice Italian restaurant for your dinner date and now your entire body reeks of garlic. What is this treachery?

Step one is probably having access to billions of dollars, but what about the following steps?

Ever wonder how lightning works? Scientists are still figuring it out, but what we do know is fascinating. Learn about positive and negative lightning, red sprites, blue jets, and ball lightning in this episode of SciShow!

What's up with that pocket?

Our facial expressions convey a lot about our emotions, but why? Hank explores how our evolution has helped form how we communicate with our faces.

Scientists know that the Y chromosome been shrinking in size over millions of years, but recent studies suggest that it has more important genes, besides the ones that cause biological maleness.

Sometimes flight recorders are the only way the victims' families will know what happened to the plane.

We all know that we need things like water and oxygen to live, but what happens when you get too much of a good thing?

Bill reveals the stunning engineering underlying the design of a diaper. He describes the five layers of a diaper, including the superabsorbent polymer in the diaper's core. He illustrates the action of this polymer with a stunning demonstration using a single bead of polymer: it soaks up enough water to grow from a diameter of 4 mm to nearly a half inch.