4.5 pounds of sunlight strike the Earth each day.
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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
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
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The left ear is more responsive to words of love and emotion whispered into it than the right.
40
Nylon is made from coal and petroleum.
42
In zero gravity, a candle's flame is round and blue.
16