The average sperm cell swims at 8 inches per hour.
4
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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Our brains have a negativity bias and will remember bad memories more than good ones.
15
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
A man's beard grows fastest when he anticipates sex.
239
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
Every human spent about half an hour as a single cell.
144
The average person will go on a date at least 100 times before they finally marry.
33