Jellyfish as a species are actually older than dinosaurs and sharks.
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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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In 2011, a male tiger in India adopted a litter of orphaned cubs, taking on the role of ‘mother’. Wildlife officials say such behavior had never been observed before.
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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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