Pain occurs when sounds are above 130 db.
124
The human brain is more active during sleep than during the day.
28
You can't tickle yourself.
29
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Unconsciousness will occur after 8-10 seconds after loss of blood supply to the brain.
93
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62
If the human eye was a digital camera, it would have 576 megapixels.
25
Most of us have microscopic, worm like mites named Demodex that live in our eyelashes and have claws and a mouth.
-137