An unprotected human can survive up to 1.5 minutes in space with no permanent bodily damage.
82
If the human eye was a digital camera, it would have 576 megapixels.
25
Your thumb is about the same size as your nose.
124
It takes about 20 seconds for a red blood cell to circle the whole body.
102
Poor eyesight (myopia) is associated with higher IQ.
232
It is possible for you to survive even after the removal of the spleen, the stomach, one kidney, one lung, 75% of the liver, 80% of the intestines, and almost every organ from the pelvic and groin area.
218
Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
The human brain is very soft, having a consistency similar to soft gelatin or firm tofu.
13