Did a Comet Hit Earth 12,000 Years Ago? - Scientific American - discu.eu

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Could the extraterrestrial impact 12,900 years ago have contributed to rapid pole melting and large mammal extinctions? http://www.scientificamerican.com/article/did-a-comet-hit-earth-12900-years-ago/ 4 comments 4/2/2015 science

Linking pages

Ancient Carvings Show Evidence of a Comet Swarm Hitting Earth Around 13,000 Years Ago : ScienceAlert https://www.sciencealert.com/ancient-carvings-in-turkey-show-a-comet-hitting-earth-changing-civilisation-forever 68 comments

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China's Xi Outshines Trump as the World's Future Energy Leader - Scientific American https://www.scientificamerican.com/article/chinas-xi-outshines-trump-as-the-worlds-future-energy-leader/ 8 comments

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