Intelligent people have more zinc and copper in their hair.
233
Approximately 70,000 people in the U.S. are both blind and deaf!
7
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The world's youngest parents were 8 and 9 and lived in China in 1910.
130
In a year, the average person walks four miles to make his or her bed.
56
Studies show that financially stable men prefer smaller breasts.
16
Roughly a quarter of the world's people live in China.
50
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11