By weight, Bone is five times stronger than steel.
417
The human brain doesn't stop developing until about 25 years old.
102
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
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
