Sifrhippus was a species of horse about the size of an average duck and roamed North America 56 million years ago.
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The two oldest cats on record lived to 38 and 34 years old, both were owned by the same owner and lived off a diet of bacon, eggs, broccoli and coffee.
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Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
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It has been scientifically proven that stroking a cat can lower one's blood pressure!
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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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Penguins have a gland above their eye that turns saltwater into freshwater.
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