News

  1. Tech

    Farm-Fuel Feedback: Soybeans have advantages over corn

    A new analysis of two biofuels finds that while both provide more energy than they consume, soybean biodiesel gives more bang for the buck than ethanol made from corn.

    By Aimee Cunningham
  2. Animals

    Live Prey for Dummies: Meerkats coach pups on hunting

    Meerkats easing their pups into the job of handling live prey are among the few animal species shown so far to be natural teachers. With audio.

    By Susan Milius
  3. Astronomy

    Explosive Aftermath: Sluggish neutron star puzzles astronomers

    An X-ray–emitting object at the heart of a young supernova remnant doesn't fit the textbook view of what a stellar explosion is supposed to leave behind.