News

  1. Tech

    A thin laser gets thinner

    Researchers have created a microchip laser that fires an extraordinarily thin beam of high-intensity light.

    By Peter Weiss
  2. Physics

    Solid Surprise: High-pressure oxygen takes unpredicted form

    X-ray analysis of oxygen crystals under high pressure indicated that the substance's two-atom molecules aggregate into groups of four, a crystalline structure that has never been seen before and isn't predicted by current quantum theory.

    By Sid Perkins
  3. Animals

    Sexually Deceptive Chemistry: Beetle larvae fake the scent of female bees

    Trick chemistry lets a bunch of writhing caterpillars attract a male bee that they then use as a flying taxi on their way to find food.