The Earth's atmosphere weighs about 5.5 quadrillion tons.
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Nearly 50% of the world's scientists are assigned to military projects.
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A cesium atom in an atomic clock beats over nine billion times a second.
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The bark of an older redwood tree is fireproof.
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Most liquid laundry detergents are alive with living organisms that help to break down stains!
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MIT has developed a camera that captures the speed of light at a trillion frames per second.
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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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