Obsessive nose picking is called Rhinotillexomania.
101
Coughing can cause air to move through your windpipe faster than the speed of sound - over a thousand feet per second!
197
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
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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Tigers can see 6 times better at night than humans.
305
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
A man's beard grows fastest when he anticipates sex.
239