The average sperm cell swims at 8 inches per hour.
76
Chewing gum boosts your brain power.
285
Your thumb is about the same size as your nose.
124
Women have about four times as many foot problems as men; lifelong patterns of wearing high heels often are the culprit.
111
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Every year your body replaces 98% of your atoms.
119
Your body is creating and killing about 2.4 million red blood cells per second.
17