News

  1. 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
  2. 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.

    By Rachel Ehrenberg
  3. Humans

    The undeciders

    A country’s development seems tied to the size of its executive cabinet, and a mathematical model helps explain why.

    By Davide Castelvecchi
  4. Health & Medicine

    Sticky when wet

    An improved way to make the sticky protein that mussels use to cling to underwater rocks could lead to better cardiac stents.