Uncategorized

  1. 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
  2. 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.

    By Nathan Seppa
  3. Tech

    Exploding wires open sharp X-ray eye

    Using exploding wires to make low-energy X-rays, a novel, high-resolution camera snaps X-ray pictures of millimeter-scale or larger objects—such as full insects—in which features only micrometers across show up throughout the image.