The Earth's atmosphere weighs about 5.5 quadrillion tons.
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Brass doorknobs automatically disinfect themselves in about 8 hours.
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Scientists aren't sure what color dinosaurs were.
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One cubic foot of gold weighs more than 1,200 pounds!
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Liquid TIDE laundry detergent glows under a blacklight.
96
The only letter not appearing on the Periodic Table is the letter "J".
180
Balsa wood is classified as a hard wood!
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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.
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