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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The first known contraceptive was crocodile dung, used by Egyptians in 2000 B.C.
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It would take about 1,200,000 mosquitoes to fully drain the average human body of blood.
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Cats and dogs can hear ultrasound.
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When a male honey bee climaxes during sex, his testicles explode and then he dies.
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