Uncategorized

  1. Health & Medicine

    Even high-normal blood pressure is too high

    Blood pressure at the high end of what is defined as the normal range is closer to "high" than to "normal" in terms of risk of associated heart disease.

    By Ben Harder
  2. Astronomy

    X-ray study: Energy from a black hole?

    Astronomers claim that for the first time, they've observed energy extracted from a black hole, or more precisely, from the tornadolike swirl of surrounding space that a spinning black hole drags along with it.

    By Ron Cowen

  3. Disabilities develop as family affair

    A long-term study uncovered family factors that influence the mental development of children with biologically based disabilities, as well as evidence of increasing stress among parents as their kids with disabilities approach adolescence.