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  1. Health & Medicine

    Trans Fats

    Increasing evidence links trans fats to health problems, and some researchers are looking for ways to reduce the fats in food.

    By Jessica Gorman
  2. Health & Medicine

    The Seeds of Malaria

    By studying the molecular footprints of evolution in parasites and human hosts, geneticists are casting light on when and how malaria became the menace it is.

    By Ben Harder
  3. Math

    Absolutely Abnormal

    Identifying the normal (or even the abnormal) in mathematics can pose serious difficulties. In 1909, mathematician Émile Borel (1871–1956) introduced the concept of normality as one way to characterize the resemblance between the digits of a mathematical constant such as pi (the ratio of a circle’s circumference to its diameter) and a sequence of random […]

    By Ivars Peterson
  4. Health & Medicine

    Protein may be target for Crohn’s therapy

    A protein called macrophage migration inhibitory factor, or MIF, may play a role in Crohn's disease, a painful gut ailment.