The human brain uses approximately as much energy as a 10 watt light bulb.
120
All humans have the ability to see ultraviolet light, but it is passively filtered out by the eye's lens. People who undergo surgery to remove the lens can detect ultraviolet light.
21
There are more bacteria in your mouth than there are people in the world.
60
Smoking while pregnant increases the chances of spontaneous abortions (miscarriages) stillbirths and premature labor.
77
It's possible to die from a broken heart; it's called Stress Cardiomyopathy.
165
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
From the age of thirty, humans gradually begin to shrink in size.
1