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  1. Math

    The Colors of an Equation’s Roots

    Over the centuries, mathematicians have developed a variety of methods of solving equations. Using the capabilities of modern computers, they have explored in detail how these age-old recipes work–when the methods can be relied upon, when they fail, and when they behave strangely. A polynomiograph of a degree-36 polynomial. B. Kalantari “Cathedral” by B. Kalantari. […]

    By Ivars Peterson

  2. Moving On: Now the human genome is really done

    An international consortium of scientists announced that the deciphering of the human genetic code is now truly complete.

    By John Travis

  3. Radiation Marks Chromosomes: Plutonium leaves genetic fingerprint

    By examining specific types of long-lasting genetic rearrangements in blood cells, researchers have found a way to measure a person's past exposures to plutonium radiation.