Uncategorized

  1. Ecosystems

    Pesticide makes bees bumble

    The pesticide spinosad, previously thought safe for bees, may damage their ability to forage for nectar.

    By Naila Moreira
  2. Tech

    Morphing wheels for beginner bikers

    A new bike design for kids morphs from tricycle into bicycle as the rider gets moving, possibly easing the often-fearful starts at riding two-wheelers.

    By Peter Weiss
  3. Tech

    Nuke batteries get more practical

    Nuclear batteries that will last for decades may have moved closer to reality with the demonstration of a silicon chip riddled with radioactive, tritium-filled pits where radiation is efficiently converted to electricity.

    By Peter Weiss
  4. Health & Medicine

    Shot in the gut

    A mystifying case of lead poisoning, which may have lasted more than a decade, turned out to have been caused by a swallowed shotgun pellet.