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  1. Math

    Highway Relativity

    There may be more to zipping along in the fast lane than meets the casual eye. Freeway drivers often sense that cars in an adjacent lane are moving faster than those in their own lane. That’s certainly true when the average speed of the cars in the next lane is significantly higher than that of […]

    By Ivars Peterson
  2. Math

    Highway Relativity

    There may be more to zipping along in the fast lane than meets the casual eye. Freeway drivers often sense that cars in an adjacent lane are moving faster than those in their own lane. That’s certainly true when the average speed of the cars in the next lane is significantly higher than that of […]

    By Ivars Peterson

  3. Heads Up: Problem solving pushed bright primates toward bigger brains

    A common capacity among primates for solving a broad range of problems, from coordinating social alliances to inventing tools, may have played a central role in the evolution of progressively larger brains.