Roughly a quarter of the world's people live in China.
50
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
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Males sweat 40% more than females.
104
Eskimos don't gamble.
78
Two in five people in the world marry their first love.
270
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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