4.5 pounds of sunlight strike the Earth each day.
27
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
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
Diamonds can be shattered with a hammer.
-104
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The bark of an older redwood tree is fireproof.
65