Your stomach produces a new layer of mucus every two weeks so that it doesn't digest itself.
160
A fetus develops fingerprints at eighteen weeks!
32
One quarter of the human brain is used to control the eyes.
43
When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
Falling in love raises levels of nerve growth in a person's brain for about a year and can improve their memory.
39
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57
While 7 men in 100 have some form of color blindness, only 1 woman in 1,000 suffers from it.
50