Tigers can see 6 times better at night than humans.
305
The human body contains over a billion miles of DNA.
147
Mushrooms are more closely related to humans than they are to plants.
47
The human brain is more active during sleep than during the day.
28
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
30
By weight, Bone is five times stronger than steel.
417
Poor eyesight (myopia) is associated with higher IQ.
232