Uncategorized

  1. Agriculture

    Herbal Herbicides

    Scientists are tapping plants, and the self-defense chemicals they make, for new weed killers, many of which may find use in organic farming.

    By Janet Raloff
  2. Humans

    Letters from the March 17, 2007, issue of Science News

    Disputable thesis “Counterintuitive Toxicity: Increasingly, scientists are finding that they can’t predict a poison’s low-dose effects” (SN: 1/20/07, p. 40) took a wrong turn into Hormesis Swamp. The hormesis thesis has been thoroughly discredited by all major radiation organizations and professional societies, and its past conferences have been sponsored by tobacco companies and the U.S. […]

    By Science News
  3. Humans

    From the March 6, 1937, issue

    Machines creating new jobs, stopping smoke with sound, and conflicts over atomic structure.