What is under your skin? Why do you have bones? What do your muscles do? Where does the food that...

From a wiggle of their shoulders to a stomp of their feet, a group of lovable toddlers joyfully...

A five-year-old boy thinks his body is falling apart, until he learns new teeth grow and hair and...

A super simple look at some of the sounds we hear with our ears—water dropping, popcorn popping...

Arnold has swallowed the Magic School Bus! Now, instead of seeing an exhibit of the human body at a...

If you could have any animal's front teeth, whose would you choose? What If You Had Animal Teeth...

Have you ever wondered what makes you sneeze when you're in a dusty room? Or shiver when you get out...