David Kestenbaum David Kestenbaum is a science correspondent for NPR. His job allows him to combine his extensive background in physics with his love of broadcast journalism.
David Kestenbaum
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David Kestenbaum

Stopped Clocks Tell Tale of Katrina Flooding

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The Challenger Shuttle Tragedy, 20 Years Later

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The Quest for Reliable Directions

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Government Issues Dirty-Bomb Cleanup Rules

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DuPont Settles EPA Case on Teflon Chemical

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Bioterror Sensors Yield Curious Findings

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A Tribe Split by Nuclear Waste

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