Uncategorized

  1. Math

    Squares, primes, and proofs

    Mathematicians have proved the so-called local Langlands correspondence, a broad generalization of a surprising connection between prime numbers and perfect squares.

    By Ivars Peterson
  2. Math

    Losing to win

    Two games of chance, each guaranteed to give a player a predominance of losses in the long term, can add up to a winning outcome if the player alternates between the two games.

    By Ivars Peterson
  3. Health & Medicine

    USDA gives nod to irradiating meats

    The federal government approved food irradiation, the only technology known to kill an especially lethal strain of bacteria, for use on raw meats.

    By Janet Raloff
  4. Health & Medicine

    This roe’s got a fish-E surprise

    Scientists discovered a potent, new form of vitamin E, an antioxidant, in fish adapted for life in cold water.