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Scientists unearth ancient ice

Scientists unearth ancient ice
trefwoorden: antarctica - prehistorie - ijs
Scientists who have dug more than two miles down into the earth say they have extracted the oldest ice ever discovered.
Some 120 ice chunks are being analysed by German scientists who say the samples are more than 900,000 years old.
They believe they will give vital clues about how much of a risk is posed by global warming and climate change.

Lees verder bij: Ananova (20 november 2003)