Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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Scientists aren't sure what color dinosaurs were.
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One cubic foot of gold weighs more than 1,200 pounds!
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Sound travels fifteen times faster through steel than through air.
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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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Hot water can freeze faster than cold water.
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Galalith is a type of plastic that can be made from milk. It is odourless, insoluble in water, biodegradable, anti-allergenic, antistatic, and virtually non-flammable.
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