Often compared to a computer, the body's most complex organ operates using a code of electrical and chemical signals. These signals transmit through wires, nodes and networks to process and store ...

How cute! L.L. Woodard from Oklahoma City on February 16, 2012: I did the quiz alone this time, but am going to get my grand kids involved. It'll be a fun and learning experience for us. Great hub.

As a mom of four, Jessie James Decker is more in love with her body today than she was at 23 years old. In a new interview, the country singer, 36, opened up about her postpartum journey after ...