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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Lurch, a Watusi bull, had the largest horns in the world.
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The focusing muscles of the eyes move around 100,000 times a day. To give your leg muscles the same workout, you would need to walk 80km (50 miles) every day.
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Some monks can increase their body temperature so much they can dry soaking sheets in a freezing room!
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