Column

  1. Winning the World Series with math

    A nearly circular path could be the fastest way to home plate.

    By Julie Rehmeyer

  2. Top statistician explains what all those numbers mean

    In June, the United Nations passed a resolution designating October 20 as World Statistics Day. The United States planned to mark the occasion with a gathering on Capitol Hill of representatives from number-crunching agencies. Science News writer Laura Sanders recently spoke with U.S. Chief Statistician Katherine Wallman about why numbers matter. “People have a lot […]

    By Katherine Wallman

  3. Vitamin D is essential to the modern indoor lifestyle

    It’s known that vitamin D is necessary for proper bone formation and maintenance. But recent decades have seen a torrent of studies suggesting that vitamin D can also affect many other aspects of health; some scientists have come to consider the daily recommended intake of 400 international units of vitamin D far too low.