Uncategorized

  1. Health & Medicine

    Study finds benefits from lowering blood pressure, but questions remain

    Preliminary results from NIH clinical trial suggest that lower blood pressure is better, but scientists have not yet published the data and open questions remain.

    By Meghan Rosen
  2. Health & Medicine

    Coffee reveals itself as an unlikely elixir

    Coffee is earning a reputation as a health tonic, reducing risk for a long list of ailments and even lowering death rates.

    By Nathan Seppa
  3. Life

    Old stem cell barriers fade away

    Barrier that keeps aging factors out of stem cells breaks down with age.

    By Tina Hesman Saey
  4. Materials Science

    Invisibility cloaks slim down

    A new invisibility cloak offers more stealth in a thinner package.