News

  1. Chemistry

    Reactions on the spot

    Researchers report that they have engineered a miniature pipette that can dispense solutions at volumes of a billionth of a billionth of a liter.

    By Aimee Cunningham
  2. Materials Science

    Engineering membranes from cellular parts

    Chemists have for the first time spun the molecules that make up cellular membranes into fibrous networks.

    By Aimee Cunningham
  3. Anthropology

    India cultivated homegrown farmers

    A new analysis of Y chromosome structure supports the view that around 10,000 years ago, people living in what's now India took up farming rather than giving way to foreigners who brought agriculture into South Asia.

    By Bruce Bower
  4. Earth

    Sinking Mercury: Light-based reactions destroy toxic chemical in Arctic lakes

    Sunlight triggers the entry of poisonous mercury into polar lakes, but it also removes most of the toxic compound before fish can consume it.