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Tiny creature comes back to life after 24,000 years in Siberian deep freeze

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Siberian

The bdelloid rotifer, a multi­cellular organism found in freshwater habitats across the world, is known to be able to withstand extreme cold. Previous research suggested it could survive for a decade when frozen at minus-20 degrees Celsius. This new case, which was detailed in a study in the journal Current Biology, is by far the creature’s longest recorded survival period in a frozen state.

The organism was recovered from samples taken almost 12 feet below ground. The material was dated from between 23,960 and 24,485 years ago, the study said. Land encased in permafrost — where the ground is frozen all year round — has for years thrown up startling scientific discoveries. Scientists earlier revived microscopic worms called nematodes from sediment in two places in northern Siberia that were dated more than 30,000 years old. — Reuters

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