Uncategorized

  1. Humans

    Letters from the July 23, 2005, issue of Science News

    Clearly a problem? “Built for Blurs: Jellyfish have great eyes that can’t focus” (SN: 5/14/05, p. 307) states that “the resulting blurred view is good enough for spotting large objects such as mangrove roots.” It seems to me that the article is missing the crucial biological question presented by these eyes. My understanding is that […]

    By Science News
  2. Agriculture

    Soy-protein quality versus quantity

    New tests show that as the protein yields of soybeans rise, the growth-enhancing quality of that protein as a food or feed decreases.

    By Janet Raloff
  3. Anthropology

    People fired up Aussie extinctions

    Early Australian settlers may have altered the continent's landscape around 50,000 years ago, leading to the extinction of many animal species.