Uncategorized

  1. Planetary Science

    Idiosyncratic Iapetus

    The strange appearance of Saturn's moon Iapetus suggests that it was frozen in shape soon after birth, providing a glimpse into conditions in the early solar system.

    By Ron Cowen
  2. Humans

    Letters from the August 18, 2007, issue of Science News

    Exhaustive analysis I would debate the “1,000 watts or more” value attributed to typical adults during strenuous exercise (“Powering the Revolution: Tiny gadgets pick up energy for free,” SN: 6/2/07, p. 344). Hiking up steep slopes, I rarely exceed 250 W myself, and typical hikers are going much slower. The 1,000-watt figure can only apply […]

    By Science News
  3. Agriculture

    Living Rust

    Mention rust, and most of us think of the oxidized metal that signals the aging and decay of cars, fences, and bolts on the backyard deck.