Americans did not commonly use forks until after the Civil War.
82
Every human spent about half an hour as a single cell.
144
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
A chance of a woman having twins is increased after the age of 35. About 1 in 27 women will give birth to twins after this age. After 50 the chances of having twins is 1 in 9.
51
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Women mature much faster than men.
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