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

The body is, for all intents and purposes, an extraordinarily complex machine. This requires a multitude of parts all working together in complicated relationships from the micro- to macromolecular ...

The human body is a wonderous thing, especially when you consider how intricate and efficient each bodily system is. For instance, an adult’s blood vessels could encircle the earth 2.5 times if ...

The endocannabinoid system is found throughout the brain and body and plays a key role in everything from memory and learning ...

Bill Bryson's book "The Body: A Guide For Occupants" is a tour of the fascinating and bizarre ways the human body functions, beginning with the brain and ending with the toes. From the 25 feet of hair ...

There are 118 elements on the period i c table, and you might think we are made up of many of them. But that's not the case; the complex systems that make up our bodies have a surprisingly simple ...

Some human body parts have become useless over the past few million years. These include wisdom teeth, the tail bone, and the muscle fibers that produce goose bumps. Take a look at nine body parts ...