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  1. Math

    Super Bowls and Stock Markets

    The Super Bowl “theory” links U.S. stock market performance to the results of the championship football game, held each January since 1967. It holds that if a team from the original National Football League wins the title, the stock market increases for the rest of the year, and if a team from the old American […]

    By Ivars Peterson
  2. Health & Medicine

    Drug protects mouse eggs from radiation

    Mice protected by a drug from radiation-induced sterility have normal offspring.

    By John Travis
  3. Health & Medicine

    Cheap hypertension drug works best

    An old-fashioned pill for preventing high blood pressure and some heart disease appears to work better than new, more expensive drugs.