Sharks, like other fish, have their reproductive organs in their chests.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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When Washoe, the first chimp to use sign language, was told that her caretaker's baby had died, she signed "CRY."
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Tigers can see 6 times better at night than humans.
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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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The Lion's Mane Jellyfish is the largest jellyfish in the world. They have been swimming in arctic waters since before the dinosaurs (over 650 million years ago).
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When Koko, the gorilla famous for knowing sign language, was asked where gorillas go after death, she responded by signing “Comfortable hole, bye.”
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