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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Cats and dogs can hear ultrasound.
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Penguins have a gland above their eye that turns saltwater into freshwater.
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In 1949, an official boxing match between a bear and a man was held. The bear won.
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Sloths take two weeks to digest their food.
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Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
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