It's possible to train your cat to use the toilet as a litter box and even flush afterwards.
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When cats are happy, they may squeeze their eyes shut.
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Travis was a chimpanzee who socialized with humans since birth. He could log onto a computer to look at pictures, watch TV using a remote control, brush his teeth, feed hay to his owner's horses, water plants, and learned the schedule of passing ice cream trucks.
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Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
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The colossal squid has the largest eyes in the world.
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