Antarctic temperatures between ice ages '6C warmer than today' - Telegraph: "Until now temperatures during the warm periods between ice ages - known as interglacials - were thought to be only slightly warmer than those of the present day, British Antarctic Survey (BAS) scientists explained.
But the findings, published this week in journal Nature, show brief spikes in temperature, which recur roughly every 100,000 years and last a few thousand years, seem to have been a lot warmer."
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