Human thigh bones are stronger than concrete!
63
Ernest Hemingway survived through anthrax, malaria, pneumonia, dysentery, skin cancer, hepatitis, anemia, diabetes, high blood pressure, two plane crashes, a ruptured kidney, a ruptured spleen, a ruptured liver, a crushed vertebra, a fractured skull, and more.
67
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
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.
22
Men have larger hearts; women's hearts beat faster.
77
More people use blue toothbrushes, than red ones!
66
Redheads require more anesthesia to 'go under' than other hair colors do.
51
The average office desk has 400 times more bacteria than a toilet.
22