News

  1. Earth

    To contain gene-altered crops, nip them in the seed

    Researchers have demonstrated that, in principle, they can add genes that block genetically modified crops from breeding with conventional varieties and thus from spreading their artificial traits.

    By Ben Harder
  2. Math

    Uncovering a prime failure

    Mathematicians have returned to the drawing board after what looked like a dramatic step forward in understanding prime numbers.

    By Erica Klarreich
  3. Anthropology

    Humanity’s pedestal lowered again?

    A new genetic study reaches the controversial conclusion that chimpanzees belong to the genus Homo, just as people do.

    By Bruce Bower
  4. Health & Medicine

    Gene therapy thwarts hepatitis C in mice

    Gene therapy that induces infected liver cells to self-destruct slows hepatitis C dramatically in mice.