Uncategorized

  1. Earth

    Toxipedia

    Ever wonder whether some chemical in a bathroom cleanser, herbicidal spray, or paint is toxic? Just how poisonous is that chemical described in last week’s Science News? Toxicologists are developing one-stop shopping for such information at Toxipedia. Like Wikipedia, it allows the public—experts, advocates, or policymakers—to post information. Unlike Wikipedia, there is a rating system […]

    By Science News
  2. 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
  3. 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.