The human brain uses approximately as much energy as a 10 watt light bulb.
120
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
Yawns are more contagious among people with closer relationships.
163
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
Your body is creating and killing about 2.4 million red blood cells per second.
17
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Poor eyesight (myopia) is associated with higher IQ.
232
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13