Mosquitoes transmit a number of terrible diseases like malaria, West Nile virus, and the Zika virus, but why not the flu?

What if every light bulb in the world could also transmit data? At TEDGlobal, Harald Haas demonstrates, for the first time, a device that could do exactly that. By flickering the light from a single LED, a change too quick for the human...

Is teleportation possible? Could a baseball transform into something like a radio wave, travel through buildings, bounce around corners, and change back into a baseball? Oddly enough, thanks to quantum mechanics, the answer might...

Is it possible for there to be a dog that is made of one very determined cell?

At any moment, there is an electrical storm coursing through your body. Discover how chemical reactions create an electric current that drives our responses to everything from hot pans to a mother's caress.

Roberto D'Angelo and Francesca Fedeli thought their baby boy Mario was healthy -- until at 10 days old, they discovered he'd had a perinatal stroke. With Mario unable to control the left side of his body, they grappled with tough...

It’s hard to resist the urge to scratch an itch, but doing so could help break that vicious cycle of itchiness.

SciShow's Quick Questions explains why bright light can make some people sneeze! Really!

On April 3rd, the U.S. Centers for Disease Control and Prevention started recommending that people wear a mask over their face when they go out in public. Except, for many of us, this isn’t the message we’ve gotten for the last couple of...

Amyotrophic Lateral Sclerosis (ALS), also called motor neuron disease and Lou Gehrig's Disease, affects about two out of every 100,000 people worldwide. When a person has ALS, their motor neurons - the cells responsible for all voluntary...

In part 2 of our History of the Internet series, Hank explains how public access became declared a human right!

There's something surprising that helps determine how damaging a disease is: distance.

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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.

Neuroscientist uri Hasson researches the basis of human communication, and experiments from his lab reveal that even across different languages, our brains show similar activity, or become "aligned," when we hear the same idea or story....

Malaria is a global disease that we've beaten back around the world, including in some tropical places, but we’ve had the hardest time in...

Find out why these arachnids are among the least B of humanity's BFFs. Yeah, they're blood-sucking parasites, but that's not all of it!

Today we start a three episode arc on the rise of a global telecommunications network that changed the world forever. We’re going to begin with computer networks, and how they grew from small groups of connected computers on LAN networks...

Howcast - Learn the top myths and facts about the STD hepatitis from sexpert Jane Bogart in this Howcast video.

Howcast - Learn what sexually transmitted diseases you can get from oral sex from sexpert Jane Bogart in this Howcast video.

Howcast - Learn the treatment for the STD gonorrhea (The Clap) from sexpert Jane Bogart in this Howcast video.

Howcast - Learn to recognize genital herpes symptoms from sexpert Jane Bogart in this Howcast video.

Howcast - Learn if non-genital herpes can cause genital herpes from sexpert Jane Bogart in this Howcast video.

Howcast - Learn the top three sex myths about sexually transmitted diseases from sexpert Jane Bogart in this Howcast video.

Howcast -Learn how to pick boxing gloves from boxing coach Joe Huston in this Howcast video.