A single speck of dust is half way in size between a subatomic particle and the Earth.
15
One third of the electricity produced on earth is used to power electric light bulbs!
75
Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
1
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A cubic yard of air weighs about 2 pounds at sea level.
31
One cubic foot of gold weighs more than 1,200 pounds!
78
Diamonds can be shattered with a hammer.
-104
Pumice is the only rock that floats on water.
14