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      December 1, 2016Biology

      Beware Bogus Theories of Sexual Orientation

      A new battle over sexual orientation
      November 1, 1995Mind

      Gay Genes, Revisited

      Doubts arise over research on the biology of homosexuality
      February 1, 2013The Sciences

      Readers Respond to "The Other 1 Percent"

      Letters to the editor from the October 2012 issue of Scientific American
      June 1, 1997

      Sex, Flies and Videotape

      A mutant gene alters the sexual behavior of fruit flies
      June 1, 1993The Sciences

      Eugenics Revisited

      Scientists are linking genes to a host of complex human disorders and traits, but just how valid--and useful--are these findings?
      December 1, 1994The Sciences

      Annual Index 1994

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