We have trillions of body clocks — a central one in the brain and others in each cell of our body. Here's how they work with light to control our health. When you purchase through links on our site, ...

Human evolution is often told as a tidy story of adaptation, yet some of our most familiar body parts still defy ...

Explore the fascinating world of the human body in this animated science video. Discover various human body parts and their functions through engaging visuals and humor. This educational video is ...