News

  1. Animals

    Even careful scuba divers can damage coral reefs

    Hours of diving videos and hundreds of survey responses reveal the common diver mistakes that can cause irreversible reef damage.

    By Jake Buehler
  2. Physics

    Physics explains why gold stays pristine

    Metals like copper oxidize — reacting with oxygen in the air — but gold doesn’t, thanks to a quick switch in atom arrangement on its surface.

    By Emily Conover
  3. Health & Medicine

    Congo prepared for Ebola. Now a rare strain is exposing gaps in readiness

    As Congo’s Bundibugyo Ebola outbreak grows, public health responders are turning to old-school tactics to fight it as scientists search for new tools.

    By Ray Mwareya
  4. Science & Society

    How house design can curb childhood illnesses in Africa

    Experimental houses with screens, rainwater systems and ventilation reduced malaria, diarrhea and infections among children in Tanzania.