It has been scientifically proven that stroking a cat can lower one's blood pressure!
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Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
If the human eye was a digital camera, it would have 576 megapixels.
25
Early American humans hunted car-size armadillos and used their shells for houses.
12
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
Tigers can see 6 times better at night than humans.
305
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
Only humans shed emotional tears.
331