The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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Leonardo Da Vinci loved animals so much that he used to buy caged animals at the market just to set them free.
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Denmark has twice as many pigs as there are people.
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Moths are unable to fly during an earthquake.
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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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