Chewing gum boosts your brain power.
285
Your thumb is about the same size as your nose.
124
Your heart will pump about 212 million liters in its lifetime.
26
Every year your body replaces 98% of your atoms.
119
Poor eyesight (myopia) is associated with higher IQ.
232
Yawns are more contagious among people with closer relationships.
163
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
If your DNA was stretched out it would reach to the moon 6,000 times.
256