If cells and organs never talked to each other, an animal would fall apart faster than a boy band after the popular one goes solo. Thankfully, that’s where the nervous and endocrine systems come in! In this episode of Crash Course...

The World Health organization recently added aspartame, an artificial sweetener used in diet soda and tea, to its list of possibly carcinogenic substances. But will diet soda really give you cancer? We look at the science behind the...

Hank has some thoughts on the news that several Italian scientists who were convicted of 29 counts manslaughter for making an "inadequate risk-assessment" before an earthquake.

You've probably heard that theres a fungus among us—but how much of fungi are helpful vs harmful? Turns out there's quite a grey area! Join Stefan Chin for a new episode of SciShow and learn more about the multipurpose world of fungi!

The WHO has declared the new coronavirus a global public health emergency—but that doesn't mean you should panic.

Hank has some thoughts on the news that several Italian scientists who were convicted of 29 counts manslaughter for making an "inadequate risk-assessment" before an earthquake.

Countless poets and writers have tried to put words to the experience of a panic attack— a sensation so overwhelming, many people mistake it for a heart attack, stroke, or other life-threatening crisis. Studies suggest that almost a...

There are more than 10,000 nuclear weapons in existence today, each one capable of causing immense destruction. Why don't we talk about this threat as much as some other major issues? In this practical talk, nuclear security expert Emma...

Hank eases our minds about the alleged bacon shortage, and informs us of some actual meat shortages we may see the effects of in the coming years.

Humans can hold our breath longer than we think by taking advantage of our body’s innate survival instincts - and then ignoring them.

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To learn...

Where does creative inspiration spring from? At TEDIndia, Hollywood/Bollywood director Shekhar Kapur ("Elizabeth," "Mr. India") pinpoints his source of creativity: sheer, utter panic. He shares a powerful way to unleash your inner...

Meditation asks you to slip into a state of serene presence. But why does something that sounds effortless often feel so difficult? In this lighthearted invitation, spiritual leader Yongey Mingyur Rinpoche shares three steps to help you...

The idea that humans react to disasters by losing control and acting selfishly is all too prevalent, especially in movies and television. But recent studies on altruism may provide evidence that this isn’t always the case, and this...

Don't panic.

Over the last month, many economic forecasters have increased the likelihood of a recession in the next year to over 50%! Are you ready financially

Howcast - It can happen in an instant: Your car ends up in the water, and it’s sinking fast. Here’s how to get out.

Howcast - Check out this Portal 2 walkthrough and beat Chapter 1 - Part 8: You Monster with this online demo.

Howcast - Find out what to do if someone is having a seizure from Steve Wolf, MD and Patty McGoldrick, NP in this Howcast video.

Howcast - Learn how to defend yourself against a front bear hug from Alliance MMA black belt Babs Olusanmokun in this Howcast Brazilian Jiu Jitsu video.

Howcast - Learn how to defend yourself against a standing rear choke from Alliance MMA black belt Babs Olusanmokun in this Howcast Brazilian Jiu Jitsu video.

Howcast - Let an Alliance MMA instructor teach you how to defend yourself against a two-handed wrist grab in this Brazilian Jiu Jitsu video from Howcast.

Howcast - Learn how to get out of a two-handed front choke from Alliance MMA black belt Babs Olusanmokun in this Howcast Brazilian Jiu Jitsu video.

Howcast - Learn how to give the Heimlich maneuver in this first aid video from Howcast with Nurse Mary.

Howcast - Learn how to handle questions from the audience from media coach TJ Walker in this Howcast public speaking video.