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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Cows as they are today never existed in the wild and were domesticated from aurochs some 10,500 years ago.
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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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The most expensive cow in the world was sold in 2009 for $1.2 million.
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Blue whale arteries are large enough for humans to swim through and their hearts are the size of cars.
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