If you hold farts in during the day, they'll just come out when you sleep.
16
If your DNA was stretched out it would reach to the moon 6,000 times.
256
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137
You see your nose at all times, your brain just chooses to ignore it.
30
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
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