News

  1. Health & Medicine

    Pollution and blood clots

    Inhaling tiny pollution particles, even at concentrations allowed in urban air, appears to increase the risk that an individual’s veins will develop potentially lethal blood clots.

    By Janet Raloff
  2. Life

    It’s the network, stupid

    The complexity of humans may lie not in genes but in the web of interactions among the proteins they make.

    By Patrick Barry
  3. Earth

    Emissions head north

    When it comes to Arctic air, various regions of the Northern Hemisphere are equal opportunity polluters. Even some subtropical countries in southern Asia get into the act.

    By Sid Perkins
  4. Humans

    Future scientists

    More than 1,500 high school students will gather in Atlanta to flex their mental muscles at the 2008 Intel International Science and Engineering Fair.