0.3% of solar energy from the Sahara is enough to power the whole of Europe.
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The earth is approx. 6,588,000,000,000,000,000 tons.
175
A cubic yard of air weighs about 2 pounds at sea level.
31
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!
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Balsa wood is classified as a hard wood!
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Oak trees produce 2,200 acorns in a season, but each acorn only has a 1 in 10,000 chance of becoming an oak tree.
304
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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