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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One barrel of petroleum holds 42 gallons.
20
The sun is 330,330 times larger than the earth.
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According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Indoor pollution is 10 times more toxic than outdoor pollution.
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Hot water can freeze faster than cold water.
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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.
15
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.
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