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Health & MedicineVitamin 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.
By Janet Raloff -
MathRandomness, Risk, and Financial Markets
A novel measure of disorder in a sequence of numbers can provide insights into financial markets.
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HumansFrom the October 6, 1934, issue
Glass models of rotifers, anthrax as a threat among agricultural workers, and cosmic-ray studies in the stratosphere.
By Science News -