Pleistocene Worms Revived

Image: K-State Research and Extension/CC BY 2.0

40,000 year old worms found frozen in samples taken from the permafrost in Siberia have been revived. The worms were warmed gradually in a Petri dish full of enrichment culture and E. coli food for a few weeks. They are the first multi-cellular organisms to survive such a long cryobiosis.

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