There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The human sigh acts as a physiological reset button.
23
It has been scientifically proven that stroking a cat can lower one's blood pressure!
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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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Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
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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The human brain is more active during sleep than during the day.
28
On average a woman has 4 sexual partners in her lifetime.
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