Uncategorized

  1. 19842

    This article states, “The most likely sea route ran north of Hawaii and down America’s Pacific coast.” The Polynesians were master mariners, so anything is possible, but continuing east from Tonga to South America is an extension of the main voyaging area, whereas Hawaii is well off this beaten path. Tom MallardPhoenix, Ariz.

    By Science News
  2. Tech

    Nanotech bubbles

    Creating large-scale, regular arrays of nanoscale components is now almost as easy as blowing bubbles.

    By Davide Castelvecchi
  3. Chemistry

    In a Fix: Agricultural chemicals disturb a natural relationship

    Several pesticides can disrupt a partnership that enables certain plants to take up nitrogen by enlisting the help of bacteria.

    By Aimee Cunningham
  4. Health & Medicine

    Guilt by Association: Whole-genome scans yield disease clues

    In a sweeping demonstration of the power of the new biology, researchers have linked two dozen genetic variations to six major diseases.