Uncategorized

  1. Chemistry

    Clearing the air on dirty art

    Air-pollution damage to artworks may accumulate more stealthily than conservationists thought, suggesting that art exhibitors need to step up protection against such damage.

    By Jessica Gorman
  2. Chemistry

    Protein’s structure lights the way

    Forty years after the discovery of aequorin in a jellyfish, the structure of this calcium-tracking, glowing protein is resolved.

    By Jessica Gorman

  3. Bacteria give carpet a nasty smell

    A compound produced by bacteria may be responsible for the "cat urine" smell of some new carpeting.

    By John Travis

  4. Pen-shaped device purifies water

    A battery-powered instrument the size and shape of a pen can quickly disinfect contaminated drinking water.