It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Pain occurs when sounds are above 130 db.
124
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
Your thumb is about the same size as your nose.
124
It takes about 20 seconds for a red blood cell to circle the whole body.
102
The world's shortest man measures only 21.5 inches.
73
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Poor eyesight (myopia) is associated with higher IQ.
232