Because heat expands the metal, the Eiffel Tower always leans away from the sun.
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Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
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Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
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4.5 pounds of sunlight strike the Earth each day.
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Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
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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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Cold water weighs more than hot 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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