Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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Camels and llamas can cross breed. The offspring is called a ‘Cama’.
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There's a phone app called RoboRoach that allows you to remotely control a cockroach through a chip that you to manually implant into the unwitting critter.
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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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