The earth is approx. 6,588,000,000,000,000,000 tons.
175
Blue eyes are a genetic mutation. Before the mutation occured, all humans had brown eyes.
89
Most dust particles in your house are made from dead skin!
67
Columbia University has developed an artificial tree that passively soaks up carbon dioxide from the air using "leaves" that are 1,000 times more efficient than true leaves that use photosynthesis.
15
Most dust particles in your house come from dead skin.
48
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Scientists aren't sure what color dinosaurs were.
312
Each day, up to 150 species of life become extinct.
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