News

  1. Earth

    China: A mercury megapolluter

    China's heavy reliance on coal burning makes it a world leader in mercury air pollution.

    By Janet Raloff
  2. Earth

    Methylmercury’s toxic toll

    More than 60,000 children are born each year with neurodevelopmental impairments due to their prenatal exposure to methylmercury.

    By Janet Raloff
  3. Earth

    When do EMFs disturb the heart?

    Whether electromagnetic fields can blunt the healthy variability in heart rate may depend on an exposed individual being aroused or stressed during exposure.

    By Janet Raloff
  4. Physics

    Device Sees More inside Live Cells

    A new type of optical microscope, which can discern objects smaller than a supposedly fundamental limit for visible-light viewing, may make it possible to see finer details of the insides of living cells.