News

  1. 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
  2. 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
  3. 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.

    By Nathan Seppa
  4. Physics

    Taking a shine to number 100

    Scientists for the first time literally shed light on the properties of radioactive fermium.