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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Obsessive nose picking is called Rhinotillexomania.
101
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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We share 70% of our DNA with a slug.
218
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
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 about 20 seconds for a red blood cell to circle the whole body.
102
Poor eyesight (myopia) is associated with higher IQ.
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