Sunday, October 22, 2017

Robert de Zafra, Who Made Key Findings on Ozone, Dies at 85


By NEIL GENZLINGER from NYT Obituaries http://ift.tt/2yHkWoa

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Fossil proves hyenas once roamed Canada's Arctic Plains

A 50-year-old mystery has been solved by scientists who identified the teeth of ancient Arctic hyenas. from BBC News - World https://bbc.i...