The average person's skin weighs twice as much as their brain.
131
Poor eyesight (myopia) is associated with higher IQ.
232
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
Enamel is hardest substance in the human body.
61
A man's beard grows fastest when he anticipates sex.
239
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
All 13 minerals necessary for human life can be found in alcohol beverages.
282