NEW YORK, May 16 -- RNAi just may be the string that pulls back the curtain on the secrets of aging and reveals a molecular fountain of youth: A team of modern-day Ponce de Leons at the University of California, San Francisco, report in this week's Science using the technology to identify transcription factors in C. elegans that, when stimulated, increase lifespan and stop aging.

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US Attorney General Jeff Sessions is considering using DNA tests to determine relatedness between adult and child migrants, the Daily Caller reports.

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