Uncategorized

  1. Health & Medicine

    Blending In: Dissolvable stents promise to protect arteries

    A biodegradable magnesium stent props open clogged blood vessels and then dissolves, circumventing the problems linked to permanent metal stents.

    By Nathan Seppa
  2. Anthropology

    Chicken of the Sea: Poultry may have reached Americas via Polynesia

    Polynesians may have traveled back and forth to South America more than 600 years ago, introducing chickens to the Americas in the process.

    By Bruce Bower

  3. 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.