The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
Pain occurs when sounds are above 130 db.
123
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
94
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Poor eyesight (myopia) is associated with higher IQ.
232
If the human eye was a digital camera, it would have 576 megapixels.
25