WHAT'S INSIDE: HUMAN BODY
- Body Parts
- Body Systems
Does the appendix serve any purpose in the human body? Scientists are divided on the issue -- learn why.
As you watch someone happily murder every song he belts out at the karaoke bar, you have to wonder whether it's caused by the growing bar tab, a total lack of embarrassment or simple tone deafness. Why do some of us hear music so differently?