Most dust particles in your house are made from dead skin!
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Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Aluminum used to be more valuable than gold!
84
Nuclear power prevented an average of over 1.8 million deaths between 1971-2009 as a result of lower air pollution from reduced coal usage according to NASA.
5
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
In zero gravity, a candle's flame is round and blue.
16
Scientists aren't sure what color dinosaurs were.
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