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
Intelligent men tend to be more sexually faithful.
31
According to Harris Interactive, 70% of men and 57% of women shower daily.
75
Roughly a quarter of the world's people live in China.
50
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
The leading cause of poisoning for children under the age of six in the home is liquid dish soap.
42