In this episode of SciShow we look at the most fascinating birds that hover!

We’re learning more about the differences in health between early risers and night owls, and new research could offer even more evidence that vaping is just different from smoking, not necessarily better.

Marc Pachter has conducted live interviews with some of the most intriguing characters in recent American history as part of a remarkable series created for the Smithsonian's National Portrait Gallery. He reveals the secret to a great...

What if one day you woke up and were suddenly speaking with a completely new accent from somewhere you’ve never lived? It sounds like a movie plot, but this rare condition is known as foreign accent syndrome.

Every two seconds, someone in the world has a stroke. One out of every six people will have a stroke at some point in their lives. Strokes deprive brain cells of oxygen and are one of the most common causes of death, and a leading cause...

Hank explains the little we know about the perceptual condition known as synesthesia, where a person involuntary associates one sensation or experience with another sensation.

If you don't have vision problems, getting an eye exam probably hasn't been your top priority, however visiting an ophthalmologist won't just tell you about your eyes, it can reveal a lot about your health.

Howcast - Instead of giving her a massage that makes her fall asleep, turn her on with one that sexually excites both of you.

Howcast - Learn how to do a forehand push from table tennis pro Tahl Leibovitz in this ping pong video from Howcast.

Howcast - Learn how to do a forehand block from table tennis pro Tahl Leibovitz in this ping pong video from Howcast.

Howcast - Learn how to do a forehand loop from table tennis pro Tahl Leibovitz in this ping pong video from Howcast.

Howcast - Learn how to play the nine-stroke roll from drum teacher Jason Gianni in this Howcast drum video.

Howcast - Learn how to play a full stroke from drum teacher Jason Gianni in this Howcast drum video.

Howcast - Learn how to increase your stick speed and control from drum teacher Jason Gianni in this Howcast drum video.

Howcast - Learn how to play the five-stroke roll from drum teacher Jason Gianni in this Howcast drum video.

Howcast - Learn how to play an open or double stroke roll from drum teacher Jason Gianni in this Howcast drum video.

Howcast - Learn how to play a closed or multiple bounce roll from drum teacher Jason Gianni in this Howcast drum video.

Howcast - Learn the risks and side effects of chiropractic adjustment from Dr. Karen Erickson in this Howcast video.

Howcast - Learn the health benefits of coffee from nutrition expert Alex Jamieson in this Howcast video.

Howcast - Learn if eating an apple a day really can keep the doctor away from nutrition expert Alex Jamieson in this Howcast video.

Howcast - Learn about different bow strikes from musician Julie Artzt Becker in this Howcast video.

Howcast - Learn the difference between a seizure and a stroke from Steve Wolf, MD and Patty McGoldrick, NP in this Howcast video.

Howcast - Learn what epilepsy is from Steve Wolf, MD and Patty McGoldrick, NP in this Howcast video.

Howcast - Learn how to treat someone having a stroke in this first aid video from Howcast with Nurse Mary.