On average a woman has 4 sexual partners in her lifetime.
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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
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Obsessive nose picking is called Rhinotillexomania.
101
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
Modern humans first appeared about 200,000 years ago, but record keeping didn't begin until about 6,000 years ago. That means about 97% of human history is lost.
21
We share 70% of our DNA with a slug.
218