The sun is 330,330 times larger than the earth.
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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!
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Diamonds can be shattered with a hammer.
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A 'jiffy' is an actual unit of time for 1/100th of a second!
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One barrel of petroleum holds 42 gallons.
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Balsa wood is classified as a hard wood!
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Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
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