The worms, known as nematodes, just woke up. Scientists coaxed them out of cryptobiosis, a state of metabolism cessation that can occur in extreme environments.
While the great pyramids were being erected, they slumbered. The Roman Empire came and went, and they carried on napping. In fact, they slept through all recorded human history.
The worms’ epic snooze also begs the question: Just how long can organisms survive, given the right conditions?Researchers first came upon the worms while exploring a stretch of permafrost — a layer of perennially frozen soil — north of the Arctic Circle in eastern Russia. To wake the ancient nematodes, scientists thawed and hydrated them. With a little warm air and water, the worms bounced back to life.
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