On average, there's 100 billion neurons in the human brain.
83
On average a woman has 4 sexual partners in her lifetime.
-143
If your DNA was stretched out it would reach to the moon 6,000 times.
256
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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