So, what's the difference between 'weather' and 'severe weather'? Is it just how hard the wind is blowing? Is it just thunder and lighting? Well, it can be some or all of those things. In this episode of Crash Course Kids, Sabrina talks...

I’m vaccinated. I’m boosted. And I still got infected with the omicron variant of COVID-19. Here’s what I learned, and what it means for the possible end of this pandemic.

Researchers believe you can get reinfected with COVID-19, but we're not quite sure if that's a bad thing yet.

Right now, scientists need additional COVID-19 monitoring methods. And our poops might help!

In the wake of Hurricane Sandy, Hank answers some frequently asked questions about it, and how it got to be so crazy. What is up with this storm? Has this ever happened before? This is global warming right?

There are just six weeks left until the celestial odometer that is the Mayan calendar clicks over to the next b'akt'un, but in the meantime, scientists have been trying to solve the mystery behind the collapse of the Mayan civilization....

A very weird way a thunderstorm might kill you.

Hank gets straight to the facts in the unfortunate case of Aimee Copeland, who was injured during a zip-lining accident and subsequently contracted a rare disease.

In 1995, the British Medical Journal published a report about a builder who accidentally jumped onto a nail, which pierced straight through his steel-toed boot. He was in such agonizing pain that any movement was unbearable. But when the...

Researchers believe you can get reinfected with COVID-19, but we're not quite sure if that's a bad thing yet.

In 1982, a young nurse was suffering from severe, unrelenting depression. She couldn’t work, socialize or concentrate. One controversial treatment changed everything: after two courses of electroconvulsive therapy (ECT) her symptoms...

Experts can't agree on the definition of the term "concussion," which makes it difficult to diagnose, treat, and research this important brain injury....

The average global temperature is on the rise, evidenced by the ten warmest years on record happening since 2005. But this isn’t just about greenhouse gases preventing heat from escaping. Another culprit comes in the form of…clouds.

It turns out that there are actually different kinds of procrastinators and sometimes, what feels like procrastination might actually be an adaptive way to get work done efficiently.

What if tiny microparticles could help us solve the world's biggest problems in a matter of minutes? That's the promise -- and magic -- of quantum computers, says Matt Langione. Speaking next to an actual IBM quantum computer, he...

Most of us have dealt with acne during puberty, or maybe even after that. You probably wanted to pop or pick them in order to remove them, but don't do that! Learn more about acne and learn how to get rid of it more appropriately!

So, what's the difference between 'weather' and 'severe weather'? Is it just how hard the wind is blowing? Is it just thunder and lighting? Well, it can be some or all of those things. In this episode of Crash Course Kids, Sabrina talks...

Every time you breathe, air travels down the trachea, through a series of channels, and then reaches little clusters of air sacs in the lungs. These tiny sacs facilitate a crucial exchange: allowing oxygen from the air we breathe into...

A recent study looked into ketamine, noted animal sedative and party depressant, as a short-term treatment for severe, emergency room level depression. While it can help people who are suffering from suicidal ideation, it is a short term...

As the vaccine to protect against Covid-19 continues to roll out to more and more people, interest in side effects is high. This can lead to lots of media coverage when people experience side effects, particularly when serious side...

Dengue fever is a mosquito-borne infection, which affects some 50 million people annually. It is now endemic in more than 100 countries in Africa, South America, the Eastern Mediterranean, Southeast Asia, and the Western Pacific. This...

Howcast - Learn how to avoid painful breastfeeding with advice from lactation consultant Melissa K. Nagin in this Howcast video.

Howcast - Learn about marijuana use and gastrointestinal (GI) disorders in this Howcast video.

Howcast - Learn which symptoms call for a little TLC, and which warrant a visit to the pediatrician.