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Sarah Janssen
track author
Sarah Janssen is the senior editor of The World Almanac and Book of Facts, The World Almanac for Kids, and other diverse titles. She is the co-author of Under the Covers and between the Sheets, a book of facts and trivia about the world's greatest books. Sarah lives in Brooklyn, NY.
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Clive Oppenheimer
track author
Clive Oppenheimer is Professor of Volcanology at the University of Cambridge. His research focuses on the gases that come out of volcanoes, and what they tell us about how volcanoes erupt. He is happiest when pointing spectrometers into the maw of Erebus volcano in Antarctica to read the pulse of its lava lake. But he has wider interests in the intersections of geology, climate, ecology, archaeology and anthropology, which are the focus of his book 'Eruptions that shook the world'. He co-authored the popular 'Volcanoes' textbook with Peter Francis, and has contributed to several TV and film documentaries,...
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