For every gallon of sea water, you get more than a quarter pound of salt.
45
One third of the electricity produced on earth is used to power electric light bulbs!
75
German chemists made a replica of a trophy the size of one molecule.
68
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
Scientists aren't sure what color dinosaurs were.
312
Pumice is the only rock that floats on water.
14