If your DNA was stretched out it would reach to the moon 6,000 times.
256
The world's shortest man measures only 21.5 inches.
73
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
A third of the human population sneezes when they look at the Sun. Light can signal the ocular nerve near the sinuses and triggers a sneeze.
18
One human hair can support 3 ounces.
191
Having sex can make a woman look younger and more attractive due to the release of estrogen and collagen.
346
The human brain is more active during sleep than during the day.
28