There's a love mattress that is specifically designed for couples who sleep on each other's arms.
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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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There are approximately three million shipwrecks on the ocean floor, worth billions in value and treasure.
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There are glasses which allow a red-green color-blind person to see colors the way everyone else does.
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Macaques monkeys in Japan learned to steal purses and wallets, take out the coins, and use them to buy drinks and snacks from vending machines.
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Mathway.com solves all kinds of math homework problems with step by step explanations.
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