60-Second Science

Scientific American

Science & Medicine, Natural Sciences, Technology

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Science & Medicine 26
Natural Sciences 8

Leading science journalists provide a daily minute commentary on some of the most interesting developments in the world of science. For a full-length, weekly podcast you can subscribe to Science Talk: The Podcast of Scientific American . To view all of our archived podcasts please go to www.scientificamerican.com/podcast


Ice Cores Reveal Green Arctic

May 11th, 2013

Episode 101 of 725 episodes

Analyses of sediment cores show that Arctic summers 3.6 million years ago were a good 8 degrees Celsius warmer than they are today, and supported Douglas fir and hemlock. Sophie Bushwick reports

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