Diamonds can be shattered with a hammer.
-104
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
The earth is approx. 6,588,000,000,000,000,000 tons.
175
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
According to studies, men change their minds two to three times more often than women.
72
Sound travels about 4 times faster in water than in air.
408
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7