The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
By weight, Bone is five times stronger than steel.
417
Pain occurs when sounds are above 130 db.
124
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
The human sigh acts as a physiological reset button.
23
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24