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.
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Most dust particles in your house are made from dead skin!
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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A cubic yard of air weighs about 2 pounds at sea level.
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Sound travels about 4 times faster in water than in air.
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Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
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In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
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Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
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