Sheep, goats, octopuses, and toads have rectangular pupils.
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In the 1950s, the US government placed beer next to an atomic bomb blast to determine if it was still drinkable. The result: in the event of a nuclear war, beer is safe to drink!
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The Aztecs were the first to serve chocolate as a drink. They also mixed it with hot chili pepper to make it really 'hot'.
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‘Old people smell’ is actually caused by a chemical, 2-nonenal, that old people secrete through their skin
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It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
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On average, every dollar bill you touch has over 3,000 different types of bacteria.
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