Each day, up to 150 species of life become extinct.
-23
The earth is approx. 6,588,000,000,000,000,000 tons.
175
Hot water can freeze faster than cold water.
181
4.5 pounds of sunlight strike the Earth each day.
27
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57