Explore the fascinating world of the human body in this animated science video. Discover various human body parts and their ...

In “Replaceable You,” Mary Roach describes mind-boggling efforts to replace human body parts—and why it’s proven to be so ...

The human skeleton — our internal framework that includes bones and cartilage — evolved over millions of years. It comprises ...

The human body is eerily similar to a complex machine, with countless delicate parts. These parts range from the tiniest of ...