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  1. Astronomy

    Crash: Ripples of space-time debut in black hole simulations

    Two teams have for the first time successfully simulated the merger of two black holes and the event's production of gravitational waves.

    By Ron Cowen
  2. Humans

    Letters from the April 22, 2006, issue of Science News

    Second cousins With reference to “Chimps creep closer yet” (SN: 2/11/06, p. 94), some scientists say that bonobos are genetically closer to humans than to chimps. How did they compare in the referenced study? Dick MedvickCleveland Heights, Ohio Bonobos are indeed as genetically close to humans as are chimps, but there wasn’t enough genomic data […]

    By Science News
  3. Tech

    A better test for lung cancer?

    A genetic test of cells lining the windpipe can detect lung cancer in smokers.