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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An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
A human being loses an average of 40 to 100 strands of hair a day.
133
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13
A person can live without food for about a month, but only about a week without water.
156
Tigers can see 6 times better at night than humans.
305
You can't tickle yourself.
29