The levels of two stress hormones, cortisol and epinephrine which suppress the body's immune system, will actually drop after a dose of laughter.
112
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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Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22