Every human spent about half an hour as a single cell.
144
Infants spend more time dreaming than adults do.
102
Approximately 70,000 people in the U.S. are both blind and deaf!
7
Babies cry but they don't produce tears until one to three months after birth.
238
Intelligent people have more zinc and copper in their hair.
233
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
-86
People who have a strong friendship possess the ability to communicate with one another through facial expressions.
46