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Scientists have revived a worm that was frozen 46,000 years ago — at a time when woolly mammoths, sabre-toothed tigers and giant elks still roamed the Earth.
Panagrolaimus kolymaensis is a species of nematode.. The species was named after the Kolyma River in Russia, where the first two specimens were discovered. [1]In 2023, it was reported that nematodes of the previously undescribed Panagrolaimus kolymaensis were revived after 46,000 years in cryptobiosis.
Once thawed and hydrated, the worms bounced back to life, eating bacteria and producing offspring, researchers said. 46,000-year-old worms discovered on Arctic expedition. Now they’re being revived
Scientists have been reviving specimens from this genus that are over 46,000 years old. [1] It contains the following species: [ 2 ] [ 3 ] [ 4 ] Panagrolaimus aberrans
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Read; Edit; View history; Tools. ... Parasitic worms ... In 2023 an individual of Panagrolaimus kolymaensis was revived after 46,000 years in Siberian permafrost.
Scientists used radiocarbon dating to study ancient worms. For premium support please call: 800-290-4726 more ways to reach us
Various claims have been made about reviving bacterial spores to active metabolism after millions of years of dormancy. Spores preserved in amber have been revived after 40 million years, [8] and spores from salt deposits in New Mexico have been revived after 250 million years, making these bacteria by far the longest-living organisms ever ...