A human brain produces as many as 12,000 to 50,000 thoughts per day, depending on how deep a thinker a person is.
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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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Yawns are more contagious among people with closer relationships.
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The world's shortest man measures only 21.5 inches.
73
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
Early American humans hunted car-size armadillos and used their shells for houses.
12
The human sigh acts as a physiological reset button.
23
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
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