News

  1. Earth

    Cigarette smoke can harm kitty, too

    Compared with animals living in smokefree homes, cats who lived for some time with a smoker at least doubled their risk of developing the feline analog of the cancer non-Hodgkin's lymphoma.

    By Janet Raloff
  2. Tech

    Micromachine runs on nuclear power

    Radioactivity creates electric fields that wiggle a tiny lever.

    By Peter Weiss
  3. Chemistry

    Don’t eat the pepper-flavored paint

    A derivative of the spicy chemical in chili peppers could find its way into a variety of products, including veterinary sutures and fiber optic cables.

    By Corinna Wu
  4. Chemistry

    Glowing bacteria gobble gook in soil

    A genetically engineered bacterium lights up as it breaks down organic contaminants in soil.