Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
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Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
A human being loses an average of 40 to 100 strands of hair a day.
133
The average person will go on a date at least 100 times before they finally marry.
33
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
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127