You have questions, I have answers! In this edition of Ask Joe Stuff, you'll find out what the date really is according to Earth's age, why we get chills up our spine, what my favorite planet is, why hair grows (or doesn't), and why root...

In today's episode Hank talks about hair: What's it good for, what's it made of, and why do we have less than other mammals?

We have lots in common with our closest primate relatives. But comparatively, humans seem a bit... underdressed. Instead of thick fur covering our bodies, many of us mainly have hair on top of our heads— and a few other places. So, how...

* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences.

Did you know that almost 150 million people worldwide are born intersex -- with biology that doesn't fit the...

Hank Green and Michael Aranda must put their knowledge of hearing, seeing, and tasting to the test in order to win this quiz show written and hosted by the inimitable Blake de Pastino and his sidekick, Smart Blake.

To peel slowly or just rip it off, what is the best way to take off an adhesive bandage? One study found some interesting results.

Lice... the mere mention of them is enough to make most people all itchy. Well, get ready to get scratching, because we've compiled seven squirm-inducing lice facts on this week's List Show!

If you shave regularly, you may have noticed your razor blades don’t cut as well after just a few uses. But why do razors get dull so quickly?

Whether you’ve got a lot of hair or absolutely none, it’s one of those things all of us have thought about at some point. And we’ve ended up with some… questions.

In today's episode Hank talks about hair: What's it good for, what's it made of, and why do we have less than other mammals?

Howcast - Learn about body-to-hair transplants from hair transplant surgeon Craig Ziering, MD in this Howcast video.

Although the exact timeline of shaving isnt clear, most experts and found artifacts suggest that shaving has been around since approximately 100,000 BC, when cavemen would eliminate hair from their body by pulling them out one at a time,...

Although the exact timeline of shaving isn’t clear, most experts and found artifacts suggest that shaving has been around since approximately 100,000 BC, when cavemen would eliminate hair from their body by pulling them out one at a...

Why do women shave their legs and armpit hair, but men don't? And what does World War II have to do with it?

This video explains the concept of hormones and their roles in human reproduction. It explores the key reproductive hormones involved in the development of secondary sex characteristics during puberty. The video also discusses the four...

Puberty for Boys and Girls: Top Ten Things to Expect is a program especially designed to introduce preteens to the changes that accompany adolescence.



Through live-action and animation, students will learn about the...

few frames - Preparing for the removal of ECG in the hospital

travellng in an hair like texture

Closeup of woman using wax strips to remove hair from her arm.MORE VIDEOS:

few frames - the man makes cardiogram

man shaving his legs with trimmer .

man shaving his legs with trimmer.

Closeup side view of unrecognizable adult woman shaving her legs under shower. She's using blue colored single use razor. 4k video

Closeup top view of attractive mid 20's blond woman gently washing skin on her neck and shoulders and then slowly going through her hair. Enjoying her daily routine, keeping eyes closed.