Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Balsa wood is classified as a hard wood!
41
For every gallon of sea water, you get more than a quarter pound of salt.
45
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20
Iron weighs more after it rusts.
68
Nylon is made from coal and petroleum.
42
Pumice is the only rock that floats on water.
14