Poop Transplants!

You've seen it on your shampoo bottle, vitamins, and even your fancy moisturizing cream. But what does the phrase "clinically proven' actually mean?

SARS-CoV-2 is a new kind of coronavirus that appeared suddenly in late 2019. The disease it causes, called COVID-19, is now showing signs that it's able to spread outside of its place of origin. This raises some questions... like, do we...

Each year in the United States, players of sports and recreational activities receive between 2.5 and 4 million concussions. How dangerous are all those concussions? The answer is complicated and lies in how the brain responds when...

This video is a collaboration with Aatish Bhatia about how to see the COVID-19 tipping point - we present a better way to graph COVID-19 coronavirus cases using a logarithmic scale in "phase space" - plotting the growth rate against the...

While searching for a kidney donor, Karen Keegan stumbled upon a mystery. After undergoing genetic testing, it turned out that some of her cells had a completely different set of genes from the others. And this second set of genes...

Take a deep breath. In a single intake of air, your lungs swell with roughly 25 sextillion molecules, ranging from days-old compounds, to those formed billions of years in the past. In fact, many of the molecules you're breathing were...

In 1848, Phineas Gage survived a seemingly unsurvivable injury to his brain, but the tale of that event has become quite colorful, and inaccurate, in many cases. So, what REALLY happened to Phineas Gage?

What keeps you up at night? Pondering deep questions? Excitement about a big trip? Stress about unfinished work? What if the very thing keeping you awake was stress about losing sleep? This seemingly unsolvable loop is at the heart of...

We've got another major variant, and a lot of people have questions. What is the Omicron variant? Do the vaccines protect us from this variant? Is it more contagious or more virulent? It's still early days for Omicron, and there's a lot...

The spread of the new Coronavirus has continued, with a number of cases showing up in countries like Iran, Italy, and South Korea. Coronavirus information is changing by the minute, so we’re back with another update.

On this Healthcare Triage News, we're talking about an outbreak of Yellow Fever in South America, and why there aren't enough doses of the highly effective vaccine on the market. We'll also look at developments in the huge and...

Have you heard the scary news reports of how people are going to taint kids' candy with pot now that it's getting more legal? There's no evidence for that. There's also no evidence that strangers poison kids' Halloween candy in general....

All over the world, beaches look like paradise—but beneath the sand and surf lurk deadly creatures you’d never expect. From venomous stings to lethal strikes, Mark reveals six killers that can turn a dream vacation into your last. Which...

The Zika virus is spreading through the Americas and is suspected to be causing babies to be born with tiny heads (and less developed brains).

This video provides an overview of the basic components of a computer setup, including the computer case, monitor, keyboard, and mouse. It explains how these parts work together to facilitate processing, display, and interaction with the...

The video discusses the importance of communication with employers when juggling multiple jobs, particularly regarding coordinating schedules to prevent conflicts. It also touches on the potential implications of non-compete clauses and...

Howcast - Learn about breast cancer in men -- signs, prognosis, and treatment -- in this Howcast video with expert Marisa Weiss, MD.

Howcast - Learn how to sharpen and clean your knives in this Howcast video with expert Dan Delavan.

Howcast - Learn how to earn money with ad-supported videos from Fullscreen founder George Strompolos in this Howcast video about how to make money with YouTube.

Howcast - Learn what to do about an oversupply of milk from lactation consultant Melissa K. Nagin in this Howcast video.

Howcast - Learn how to wean your baby off breastfeeding from lactation consultant Melissa K. Nagin in this Howcast video.

Howcast - Learn about eating protein bars to build muscle from DreamBodies' Tony DiCostanzo in this Howcast bodybuilding diet video.

Howcast - Learn how to ride in a bike lane from racer Alexander Barouh in this Howcast road cycling video.