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Go deep, small worm

Discovery in South African mine suggests life can thrive in unexpected places

By
4:52pm, June 1, 2011

Tiny worms can live in solid rock up to 3.6 kilometers underground, researchers have found, far deeper than anyone has encountered complex organisms before. The discovery of nematode worms in three South African gold mines underscores that Earth’s biosphere reaches well into subterranean realms. It also suggests habitable environments may exist buried way down on other planets, such as Mars.

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