This documentary reveals a world where exploring the human body feels like piloting a craft through an alien landscape.

As you bite into a crisp apple, your jaw muscle contracts, allowing you to grind the fruit between your teeth. When you climb a flight of stairs, your gluteus maximus (or "glutes") push your body ...

Some people may worry about being bitten by a snake or spider, but have you ever considered what would happen if a small ...

Aging is the process of getting older. In biology, aging refers to how, over time, the cells in our bodies wear out or get damaged. They no longer work as well as they used to. Some visible signs of ...