By weight, Bone is five times stronger than steel.
417
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Poor eyesight (myopia) is associated with higher IQ.
232
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Tigers can see 6 times better at night than humans.
305
If your DNA was stretched out it would reach to the moon 6,000 times.
256
The human eye blinks an average of 4,200,000 times a year.
233
Mushrooms are more closely related to humans than they are to plants.
47