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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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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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
31
The average person's skin weighs twice as much as their brain.
131
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