Uncategorized

  1. Health & Medicine

    The Breast Solution

    Reversing earlier advice, health authorities now say that babies of HIV-positive mothers in poor countries have a better chance of avoiding infection if they feed only on breast milk that's not supplemented with other food.

    By Carolyn Barry
  2. Tech

    Nanotube Press: Printing technique makes nanotransistors

    A new technique for printing networks of carbon nanotubes on a wide range of surfaces is a step toward mass production of nanotubes devices.

    By Davide Castelvecchi
  3. Paleontology

    Bumpy Bones: Fossil hints that dinosaur had feathery forearms

    A series of knobs on the forearm bone of a 1.5-meter-long velociraptor provides the first direct evidence of substantial feathers on a dinosaur of that size.