A man's beard grows fastest when he anticipates sex.
239
On average, there's 100 billion neurons in the human brain.
83
Our eyes are always the same size from birth, but our nose and ears never stop growing.
269
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The human eye blinks an average of 4,200,000 times a year.
233
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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