News

  1. Earth

    How polluted we are

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

    By Janet Raloff
  2. 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
  3. 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.

    By Damaris Christensen
  4. Health & Medicine

    Gene variant linked to early puberty

    A highly active version of a gene for faster testosterone metabolism is also associated with early breast development—by the age of 9.5