News

  1. Earth

    Oops! Tougher arsenic rule retracted

    The new EPA administrator has delayed by 60 days the implementation of a final rule issued by the Clinton administration lowering the amount of arsenic allowed in drinking water.

    By Janet Raloff
  2. Earth

    How polluted we are

    Most people carry traces of toxic pollutiants, including metals, pesticides, and phthalates.

    By Janet Raloff
  3. Health & Medicine

    Gene linked to aggressive prostate cancer

    A gene that is more active in prostate cancer tumors from African-American men than in tumors from white men may help explain why prostate cancer is both more common and more aggressive in African Americans.

    By Damaris Christensen
  4. Health & Medicine

    Synthetic enzyme wards off side effects

    A synthetic enzyme that lowers blood pressure and causes blood vessels to constrict shows promise for treating skin and kidney cancers that have spread throughout the body.