Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
22
The human body contains over a billion miles of DNA.
147
Held in farts enter your bloodstream and are bad for your body.
26
The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
21
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
Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
32
Your thumb is about the same size as your nose.
124