Uncategorized

  1. Health & Medicine

    COX-2 inhibitor pulled off market

    Merck's recall of rofecoxib, a COX-2 inhibitor drug for arthritis, raises the question of whether similar drugs might also increase the risk of heart attack.

    By Nathan Seppa
  2. Tech

    Tracing the origin of Genesis’ crash

    The upside-down installation of four switches intended to signal the Genesis spacecraft to open its parachutes is the likely cause of the craft's crash in the Utah desert on Sept. 8.

    By Ron Cowen
  3. Earth

    Dioxin-type carcinogens pose additive risks

    Pollutants known as dioxins, furans, and certain chemically related polychlorinated biphenyls have additive cancer-causing effects when mixed together, as has been assumed in calculating the chemicals' health risks.