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HomeWorldMassive, computer-analyzed geological database reveals chemistry of ancient ocean

Massive, computer-analyzed geological database reveals chemistry of ancient ocean

A study that used a new digital library and machine reading system to suck the factual marrow from millions of geologic publications dating back decades has unraveled a longstanding mystery of ancient life: Why did easy-to-see and once-common structures called stromatolites essentially cease forming over the long arc of earth history?

(via WSJ)