Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
German chemists made a replica of a trophy the size of one molecule.
68
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Research indicates that plants grow healthier when they are stroked.
173
Iron weighs more after it rusts.
68
The weight of a carat (200 milligrams), standard unit of measurement for gemstones, is based on the weight of the carob seed.
51
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
The sun is 330,330 times larger than the earth.
75