The sun is 330,330 times larger than the earth.
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Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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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
A cubic yard of air weighs about 2 pounds at sea level.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Pure water (H2O) does not conduct electricity on its own.
46
German chemists made a replica of a trophy the size of one molecule.
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During photosynthesis, plants emit light humans can’t see, but NASA can see that light from space - and they've even made maps of it!
21