News

  1. Agriculture

    Toxic bugs taint large numbers of cattle

    U.S. cattle have dramatically higher rates of infection with a virulent food-poisoning bacterium than had been realized, a factor that leads to widespread carcass contamination during slaughter.

    By Janet Raloff

  2. Hungry spiders tune up web jiggliness

    Octonoba spiders tune the sensitivity of their webs according to how hungry they are.

    By Susan Milius
  3. Tech

    Coming soon: Knavish electromagnetic acts

    Scientists have created a device with bizarre electromagnetic properties—but so far, only at microwave frequencies.

    By Peter Weiss
  4. Health & Medicine

    Pig-cell grafts ease symptoms of Parkinson’s

    Pig brain cells transplanted into the brains of patients with advanced Parkinson's disease help some of the patients regain mobility and the ability to do basic tasks.