News

  1. Archaeology

    A digital exam reels in engraved scenes of Stone Age net fishing

    Nearly 16,000-year-old portrayals of fish surrounded by nets had evaded detection until a new technique took magnification to a new level.

    By Bruce Bower
  2. Archaeology

    A huge, ancient Maya city has been found in southern Mexico

    Lasers revealed that the city spanned roughly the same area as Beijing and may have been among the most densely populated in the region.

    By Meghie Rodrigues
  3. Agriculture

    Exploiting a genetic quirk in potatoes may cut fertilizer needs

    A gene controlling potato growth limits the plant’s fertilizer uptake. Tweaking related genes could lead to more sustainable potato varieties.

    By Javier Barbuzano
  4. Animals

    Putting vampire bats on treadmills reveals an unusual metabolism

    A bat gym shows that vampires are more like some insects, burning amino acids from blood proteins rather than the carbs or fats other mammals rely on.