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.
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Insider trading in the act United States Attorney's Of hide caption
Yen Jingchang was one of the signers of the secret document. Jacob Goldstein/NPR hide caption
Eugene Gagliardi, inventor of Steak-Umm Joshua Marston hide caption