The world's tallest man reached 8 feet 11 inches at 21.
202
Intelligent people have more zinc and copper in their hair.
233
Females learn to talk earlier, use sentences earlier, and learn to read more quickly than males.
119
The Japanese commonly put ketchup on their rice.
16
The offspring of two sets of identical twins are legally cousins but genetically siblings.
63
According to some estimates, Americans are sitting on $30 billion worth of unredeemed gift cards.
223
Every human spent about half an hour as a single cell.
144
Most people smile when they are frustrated, according to a study.
15