Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Our eyes are always the same size from birth, but our nose and ears never stop growing.
266
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
A man's beard grows fastest when he anticipates sex.
239
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
A person can live without food for about a month, but only about a week without water.
156