Atoms in a grain of sand - FactoidDroid.com

Windy planet

Astounding astronomy and space factoids

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Sharks before trees

Life and biology factoids

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Big bang static

Physics phactoids

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Atoms in a grain of sand

Physics phactoids

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More bacteria than human cells

Life and biology factoids

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The ocean: the ultimate gold mine

Illuminating facts about the nature of our world and cosmos

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Star creation

Astounding astronomy and space factoids

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