Uncategorized

  1. Earth

    Roots of Climate: Plants’ water transport cools Amazon basin

    Field tests in the Amazon have for the first time measured daily and seasonal movements of soil moisture through the deep roots of trees.

    By Sid Perkins
  2. Materials Science

    Atom Hauler: Molecular rig snags multi-atom loads

    Specialists in atomic-scale construction can now use a new molecule to gather small groups of atoms and drop them, as clusters, at specific locations.

    By Peter Weiss
  3. Health & Medicine

    Natural Ingredients: Method grows vessels from one’s own cells

    Starting with bits of skin, scientists have produced new blood vessels in a laboratory and successfully implanted them into two patients.

    By Nathan Seppa
  4. Health & Medicine

    Pill eases craving

    An experimental drug called varenicline helps cigarette smokers kick the habit better than bupropion does, the most effective medicine currently on the market.