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  1. Math

    Prime Twins

    Number theory offers a host of problems that are remarkably easy to state but fiendishly difficult to solve. Many of these questions and conjectures feature prime numbers–integers evenly divisible only by themselves and 1. For instance, primes often occur as pairs of consecutive odd integers: 3 and 5, 5 and 7, 11 and 13, 17 […]

    By Ivars Peterson

  2. 18945

    Regarding this article, wherein Cosmic Background Explorer (COBE) findings are surpassed by BOOMERANG (Balloon Observations of Millimeter Extragalactic Radiation and Geophysics) data, can you help me understand what happened to the Microwave Anistropy Probe (MAP)? It was expected to surpass COBE in many ways. MAP was to launch in November 2000, establish a sun-sheltered position […]

    By Science News
  3. Astronomy

    Sounds of the universe confirm Big Bang

    Two experiments examining the detailed structure of the cosmic microwave background, the relic radiation from the Big Bang, have confirmed the basic model of how cosmologists believe the universe evolved.