Who Ate the First Oyster? Cave May Hold an Answer

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Scientists Wary of Iron as Proposed Climate Fix

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Tracking Gore's Path

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A Look at the Group Sharing the Peace Prize

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Panel: Gore Offered Ways to Curb Climate Change

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Case Grows for 'Hobbit' as Human Ancestor

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Dinosaur-Killing Asteroid Traced to Breakup Event

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Hear NPR's Christopher Joyce on Bridge Design

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Human History Shows a Gift for Adaptability

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Paying Developing Countries Not to Burn Forests

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Scientists Study Changing Seas on Australian Island

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New Zealand Tackles Methane Problem

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In a Cow's Stomach, Novel Approach to Warming

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Heading for Hills May Be Only Option on Fiji

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Fiji's Mangroves, Coral Under Assault

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