Chewing gum boosts your brain power.
285
The average sperm cell swims at 8 inches per hour.
76
The human body contains over a billion miles of DNA.
147
Every year your body replaces 98% of your atoms.
119
The human brain uses approximately as much energy as a 10 watt light bulb.
120
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515