Feature

  1. Math

    Mathematician on Ice

    Adventurous voyages to Antarctica test mathematical models of sea ice.

    By Ivars Peterson

  2. Inside Violent Worlds

    Political conflict and terror look different up close and local.

    By Bruce Bower

  3. Silence of the Xs

    Does junk DNA help women muffle one X chromosome?

    By John Travis
  4. Agriculture

    Detoxifying Desert’s Manna

    Farmers need no longer fear the sweet pea's dryland cousin.

    By Janet Raloff
  5. Humans

    When Biologists Get Bombed

    Or shot at by soldiers. This isn't textbook conservation science.

    By Susan Milius
  6. Tech

    The Little Engines That Couldn’t

    Tired of grinding their gears, micromachine researchers turn to surface science.