Christopher Joyce Christopher Joyce is a correspondent on the science desk at NPR. His stories can be heard on all of NPR's news programs, including NPR's Morning Edition, All Things Considered, and Weekend Edition.

New Research Plumbs Cause of Historic Extinction

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Tsunami Warning System Proposed

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Tsunami Devastation Reveals Shortcomings of Monitoring System

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Red Tape Slowed Tsunami Warning from Reaching Asia

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Undersea Fault-Line Rupture Spawned Huge Tsunami

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Research Finds Whales, Too, Can Get the Bends

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Ancient, Complex Peruvian Communities Explored

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Diplomats Debate Future of Kyoto Treaty

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Government Locks Horns with Washington State Over Nuclear Waste

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Study Finds Benzene Damage in Workers Even at 'Safe' Levels

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Scientists Say Humans Were Made to Run

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Over-Fishing in Africa Has Widespread Effects on Wildlife

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Report Urges End to Spread of Modified Corn in Mexico

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Declines Seen in Crucial Penguin Food Staple

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Bringing the Lost World of Dinosaurs to Life

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