In 1996, research found that having excessive body hair is linked to higher intelligence.
23
The average sperm cell swims at 8 inches per hour.
76
If you hold farts in during the day, they'll just come out when you sleep.
16
Your body is creating and killing about 2.4 million red blood cells per second.
17
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
For most people, no matter how hard you pinch the skin on your elbow with your fingers it doesn't hurt.
515
