Mars had an oxygen-rich atmosphere around 4 billion years ago
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Held in farts enter your bloodstream and are bad for your body.
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If every muscle in your body could pull in one direction, you could lift nearly 25 tons.
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Coins usually survive in circulation for about 30 years.
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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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Sheep, goats, octopuses, and toads have rectangular pupils.
7
A “butt” was a Medieval unit of measure for wine. Technically, a 'buttload' of wine is about 475 liters, or 126 gallons.
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