By weight, Bone is five times stronger than steel.
417
Stress can result in more headaches as a result of the body rerouting blood flow to other parts of the body.
92
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
Pet dogs and elephants are the only animals that seem to instinctively understand human gesture.
14
The human eye blinks an average of 4,200,000 times a year.
233
It takes approximately 12 hours for food to entirely digest.
93
If the human eye was a digital camera, it would have 576 megapixels.
25
Your fingernails grow faster in summer.
744