The average sperm cell swims at 8 inches per hour.
4
The human brain is more active during sleep than during the day.
28
If your DNA was stretched out it would reach to the moon 6,000 times.
256
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
By weight, Bone is five times stronger than steel.
417