After thawing the worms, the scientists used radiocarbon analysis of the plant material in the sample to establish that the deposits had not been thawed since between 45,839 and 47,769 years ago.
Researchers also found that the P. kolymaenis shared with C. elegans — another organism often used in scientific studies — "a molecular toolkit" that could allow it to survive cryptobiosis.Both organisms produce a sugar called trehalose, possibly enabling them to endure freezing and dehydration.
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