Uncategorized

  1. Chemistry

    Detecting Lead: Sensor changes color for toxic metal

    A new sensor using gold nanoparticles and tailor-made DNA strands offers simple and reliable detection of lead in paint.

    By Jessica Gorman
  2. Planetary Science

    Springtime on Neptune: Images hint at seasonal changes on distant planet

    Belying its location in the deep freeze of the outer solar system, Neptune may undergo a change of seasons.

    By Ron Cowen

  3. Scripted Brains: Learning to read evokes hemispheric trade-off

    From childhood through adolesence, the process of learning to read involves an amplification of specific types of left-brain activity and a dampening of right-brain responses, a new brain-imaging study finds.

    By Bruce Bower

  4. Bad Dancers: Childhood chills give bees six left feet

    Honeybees kept just a bit cool when young grow up looking normal but dancing badly, which impedes their ability to communicate with other bees.