A new study just published in Nature found that the Arctic Ocean was a freshwater reservoir covered (sealed on top) by a thick ice sheet at least twice over the past 150,000 years during the coldest periods of the last 2 glacial cycles. Fascinating!https://t.co/t9V2amzoEw
— Ned Nikolov, Ph.D. (@NikolovScience) February 6, 2021
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