If your DNA was stretched out it would reach to the moon 6,000 times.
256
Quick naps not only improve your alertness, but they also help in decision making, creativity and sensory perception.
149
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
Yawns are more contagious among people with closer relationships.
163
One human hair can support 3 ounces.
191
Your body is creating and killing about 2.4 million red blood cells per second.
17
The human body contains over a billion miles of DNA.
147