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

Philip Morrison: Pioneering Physicist, Educator

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Scientists Claim to Locate Frozen Sea on Mars

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U.S. Doctors Took Clandestine Trip to Treat Yushchenko

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NASA Scraps Robotic Mission to Save Hubble

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