The world's tallest man reached 8 feet 11 inches at 21.
202
There are actually seven different types of twins: Identical, Fraternal, Mirror-Image, Polar Body (Half Identical), Mixed Chromosome, Superfecundation, and Superfetation.
20
Women mature much faster than men.
1k
Every three seconds, a new baby is born.
122
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
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
The average bra size today is 36C. Ten years ago it was 34B.
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