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Friday, April 17, 2009

Polar 'bugs' may explain how life survived snowball Earth

Microbes have been trapped in an icy capsule cut off from the world beneath this glacier for more than 1.5 million years. In the summer a gush of water dyed red from the iron compounds trapped with them manages to escape (Image: Benjamin Urmston/Science)

The secret to how life endured the period when glaciers reached the equator may be hidden in the bacteria living beneath an Antarctic glacier.

Polar 'bugs' may explain how life survived snowball Earth

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