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

Engineers Blamed in New Orleans Levee Failure

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Economists Learn from Game Show 'Deal or No Deal'

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E-Mail Encryption Rare in Everyday Use

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Stopped Clocks Tell Tale of Katrina Flooding

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The Challenger Shuttle Tragedy, 20 Years Later

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