Uncategorized

  1. Health & Medicine

    Vitamin D: What’s Enough?

    Most researchers studying vitamin D agree that many people would benefit from more of the vitamin, but they haven't yet decided just how much.

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  2. Math

    Randomness, Risk, and Financial Markets

    A novel measure of disorder in a sequence of numbers can provide insights into financial markets.

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  3. Humans

    From the October 6, 1934, issue

    Glass models of rotifers, anthrax as a threat among agricultural workers, and cosmic-ray studies in the stratosphere.

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  4. Earth

    Eye on Mount St. Helens

    Keep an eye on the ongoing volcanic activity at Mount St.