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  1. Tech

    Mind-Expanding Machines

    Researchers have designed computer systems aimed at amplifying human thought and perception, such as a new type of cockpit display for aircraft pilots that exploits the power of peripheral vision.

    By Bruce Bower
  2. Math

    SET Math

    The card game known as SET® is deceptively simple. Its object is to identify, as quickly as possible, a grouping (SET) of three cards, selected from 12 cards laid out face up on a table. A SET deck has 81 (34) cards. Each card displays a design with four attributes: shape, number, shading, and color. […]

    By Ivars Peterson

  3. The Naked Truth? Lice hint at a recent origin of clothing

    A study of genetic differences among human lice hints at the origin of clothing.