Uncategorized

  1. Animals

    Tool use to crow about

    A pair of new studies indicates that crows can employ tools in advanced ways, including using stones to displace water in a container and manipulating three sticks in sequence to reach food.

    By Bruce Bower
  2. Earth

    A source of haze

    Scientists identify how a hydrocarbon commonly emitted by plants is converted to light-scattering aerosols.

    By Sid Perkins
  3. Life

    Death-grip fungus made me do it

    Infection may be driving ants to set their jaws in low-hanging leaves before they die.

    By Susan Milius
  4. Space

    Titan may host prebiotic brew

    Saturn’s moon Titan may harbor a prebiotic mix of chemicals similar to those present at the dawn of life on Earth.