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Did a large meteorite hit the earth 12,800 years ago? Here’s new evidence: ShutterstockJust less than 13,000 years ago, the climate cooled for a short while in many parts of the world, especially in the northern hemisphere. We know this because of what has been found in ice cores drilled in Greenland, as well as from oceans around the world. … [Read more...] about Did a large meteorite hit the earth 12,800 years ago? Here’s new evidence | The Conversation