News

  1. Life

    Molting cleanses water fleas

    Losing a carapace means also losing parasitic bacteria.

    By
  2. Life

    Pigeon navigation finding called off-course

    Iron-containing cells that had been reported in beaks look mostly like immune system components, a new study finds.

    By
  3. Earth

    Indonesian quake passes without major tsunami

    A magnitude 8.6 tremor displaced far less water than the 2004 Indian Ocean disaster.

    By
  4. Space

    Tall, devilish storm skids across Mars’ surface

    Probe captures 20-kilometer dust devil in action.

    By
  5. Health & Medicine

    Why emotions are attention-getters

    Strong, direct connections between two key brain centers help explain how feelings can usurp focus.