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Earth’s #mantle is #cooling faster than expected. Via @ScienceNews https://t.co/tC1APQYyBs http://pic.twitter.com/GFQV6TVzIA

— EGU (@EuroGeosciences) January 4, 2017

via Twitter https://twitter.com/EuroGeosciences

January 04, 2017 at 06:25PM