The Earth's atmosphere weighs about 5.5 quadrillion tons.
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Airports that are at higher altitudes require a longer airstrip due to lower air density.
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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!
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One gallon of used motor oil can ruin approximately one million gallons of fresh water!
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One barrel of petroleum holds 42 gallons.
20
The smell of freshly cut grass is actually a plant distress call.
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German scientists claim to have evidence that suggests that our universe may exist inside of a computer simulated Matrix.
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