Your wounds heal faster if you lick them, you instinctively do this for that reason. Tears help, too.
20
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Poor eyesight (myopia) is associated with higher IQ.
232
The strangers in your dreams are actually people that you've seen in real life.
50
Chocolate is lower in caffeine than tea, coffee and coca cola. A one ounce bar of chocolate contains about 6mg of caffeine, whereas a five ounce cup of regular coffee contains over 40mg.
114