The average sperm cell swims at 8 inches per hour.
76
Chewing gum boosts your brain power.
285
The average person's skin weighs twice as much as their brain.
131
One human hair can support 3 ounces.
191
The human body contains over a billion miles of DNA.
147
Yawns are more contagious among people with closer relationships.
163
If your DNA was stretched out it would reach to the moon 6,000 times.
256