In September 1991, two hikers discovered a corpse emerging from the ice. Researchers soon realized they were looking at the mummified body of a man who'd lived about 5,300 years ago, and theorized he got caught in bad weather and froze....

In athletics, in business, in life, everyone sets goals. But that's not the way to excel, according to former NFL player Emmanuel Acho, now an author and TV sports analyst. Here's what he says to do instead.

Hank goes over some of the more interesting ways that doctors can use to tell what might be wrong with you.

There’s a widespread belief that caffeinated drinks will make you dehydrated because the caffeine itself makes you pee. But is caffeine affecting you as much as you think?

SciShow takes you inside the site of the world's worst nuclear disaster to show you how, nearly 30 years later, life has adapted and persisted.

Working in the White House in the 1840s may have been more hazardous than we thought.

Oxygen is crucial for life as we know it, but before it could build up in our atmosphere, earth had to slow down.

Gym teacher Hank gives us the full story of the past, present, and future of birth control.

There are some diseases, like Zika or malaria, that get a lot of media coverage. However, every year, millions of people are infected with diseases that are just as deadly that we never hear anything about.

Hank tells us some of the surprising things that could be causing or contributing to the obesity epidemic.

Why don’t we have robots taking care of our every need by now? A little history of the field of robotics might help you understand how hard it is to get machines to perform tasks, and how far we’ve come in just a few decades.

As we react to the predictions that epidemiological models make, changing the ways we act and go about our lives, those estimates can appear totally off. But if a model’s predictions end up being wrong, that might mean it's done exactly...

It doesn't seem possible, but animal rain is definitely real, and there is an actual scientific explanation for it... probably.

What killed George Washington? Turns out it was probably related to the bloodletting and other 18th-century medicine his doctors applied.

Daffodils are cheerful symbols of spring… and also cold blooded killers. But it turns out, the poison in these plants may actually be helpful to us humans!

Hank talks about why it is so difficult for scientists to predict earthquakes in the short term.

Sell By, Best By, and Use By... do these dates actually tell you anything? Food science can be tricky, but we're here to clear some of it up. The Financial Diet: / thefinancialdiet Hosted by: Michael Aranda

While you unwrap that luscious truffle, let Hank explain the science of chocolate -- where it comes from, what its active ingredient is, and how it works. Also learn the difference between chocolate, cocoa, cacao and coca, so you really...

Hank tells us about the Mayan calendar & why December 21, 2012 will not be the end of the world.

If you've never had a migraine, you might think it's just a really bad headache. But if you've ever had them, or you know someone who does, you know that they're much worse -- and much more complicated -- than that. Hank explains the...

Long lines, metal detectors and pat downs are a common staple of the airport process. But are these security measures actually efficient and effective? Join Michael Aranda for a new episode of SciShow where he breaks down the science of...

Did you know that, despite their serene, picturesque appearance, some frozen lakes can catch fire? Why are climate scientists studying the explosive gas bubbles trapped in lake ice?

You can complain about having the longest day ever today, and here is the science to prove it!

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...