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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Scientists have revived a flowering plant from a fruit stored away in permafrost by Arctic ground squirrel 32,000 years ago.
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Early American humans hunted car-size armadillos and used their shells for houses.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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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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The most expensive cow in the world was sold in 2009 for $1.2 million.
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