Uncategorized

  1. Health & Medicine

    AIDS drugs may cause bone loss

    Using X rays to measure bone density in HIV-infected men, researchers find a possible link between bone loss and long-term use of protease inhibitors.

    By Damaris Christensen
  2. Math

    Prepping for Calculus

    The “Calculus Page” Web site provides links to a variety of resources for calculus students and teachers, from problem sets with step-by-step solutions to tips on preparing for exams. Linked sites offer online tutorials and courses, sample exams, animated examples, mathematical software, and information on calculus competitions and the history of calculus. Go to: http://www.calculus.org/

    By Science News
  3. Astronomy

    Revved-Up Universe

    Astronomers are busy testing the seemingly bizarre notion that the expansion of the universe is accelerating.