Monday, January 5, 2009

Seven new wonders of the world

750,000-year-old ice cubes
750,000-year-old ice cubes

They may look like long-lost objects from a distant high-tech civilisation, but these large black objects buried in the Canadian Arctic are huge chunks of ice - the oldest ice ever found in North America. Researchers say the discovery could help predict the fate of the deep Arctic permafrost.

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