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

Discovery in Orbit, NASA Checks for Damage

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NASA Monitors Sensors as Launch Approaches

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Energy Report Suggests Changes to Nuclear Program

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NASA's Deep Impact Keeps Date with a Comet

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Deep Impact Headed for July 4 Crash with Comet

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