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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One ragweed plant can release as many as one billion grains of pollen!
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Most dust particles in your house come from dead skin.
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German chemists made a replica of a trophy the size of one molecule.
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The Earth's atmosphere weighs about 5.5 quadrillion tons.
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Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
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Pumice is the only rock that floats on water.
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