Reuters: Polar scientists who retrieved ice samples from the Antarctic say they are on the verge of unlocking 2,000 years of climate records offering clues to how global warming will affect our future.
An international team traveled to Antarctica's Aurora Basin in a five-week project that began last December, to drill for ice samples needed to bridge a gap in knowledge of temperature changes over the last 20 centuries.
Using the latest technology to probe the secrets of the past, the scientists hope...