One in 500 humans has one blue eye and one brown eye.
145
Awarding people money for doing well in IQ tests causes them to score better, $10 increased people's score by an average of more than 20 IQ points. IQ tests don’t just measure intelligence - they also measure effort.
9
More redheads are born in Scotland than in any other part of the world.
85
Malaysians protect their babies from disease by bathing them in beer.
-15
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
It is estimated that at any one time, 0.7% of the world's population are drunk.
90
35% of the people using personal ads for dating are already married!
23