News

  1. Earth

    E-Waste Hazards: Chinese gear recyclers absorb toxic chemicals

    People who live in an area of China where electronic devices are dismantled and recycled, as well as villagers 50 kilometers away, have high concentrations of flame retardants in their blood.

    By Sarah Webb
  2. Ecosystems

    Sea Change: People have affected what penguins eat

    Adélie penguins in Antarctica significantly changed their eating habits about 200 years ago, after whaling and other human activities transformed the ocean ecosystem.

    By Sid Perkins
  3. Health & Medicine

    Tumor Suicide: Gene therapy makes cancer cells self-destruct

    Microscopic bubbles of fat that deliver a suicide gene to tumor cells show success in treating pancreatic cancer in mice.