The human brain is more active during sleep than during the day.
28
Tigers can see 6 times better at night than humans.
305
The human body contains over a billion miles of DNA.
147
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Poor eyesight (myopia) is associated with higher IQ.
232
Early American humans hunted car-size armadillos and used their shells for houses.
12