One third of the electricity produced on earth is used to power electric light bulbs!
75
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
A ball of glass will bounce higher than a ball made of rubber.
73
Indoor pollution is 10 times more toxic than outdoor pollution.
62
Airports that are at higher altitudes require a longer airstrip due to lower air density.
39
Scientists aren't sure what color dinosaurs were.
312
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
A cubic yard of air weighs about 2 pounds at sea level.
31