The brain can stay alive for 4 to 6 minutes without oxygen. After that cells begin die.
193
The average person has over 1,460 dreams a year!
69
By weight, Bone is five times stronger than steel.
417
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
Cracking your knuckles does not actually hurt your bones or cause arthritis. The sound you hear is just gas bubbles bursting.
18
In the average lifetime a person will breath in about 44 pounds of dust.
21
2 out of 3 adults in the United States have hemorrhoids.
7
