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Professor Dietmar Müller points to carbonates overlying glacial deposits in the Flinders Ranges. Photo: Dr Adriana Dutkiewicz Co-author Professor Dietmar Müller from the University of Sydney said: "Geology ruled climate at this time. We think the Sturtian ice age kicked in due to a double whammy: a plate tectonic re...

Space A City on Mars is a counterbalance to the growing optimism over space exploration. The subtitle of the cartoonist-biologist husband-and-wife pair Zach and Kelly Weinersmith's book A City on Mars asks, Can We Settle Space, Should We Settle Space, and Have We Really Thought This Through? The answers the couple s...