Nearly 50% of the world's scientists are assigned to military projects.
71
For every gallon of sea water, you get more than a quarter pound of salt.
45
A ball of glass will bounce higher than a ball made of rubber.
73
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
Pumice is the only rock that floats on water.
14
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65