
Persistent organic pollutants—or POPs—skulk around the environment threatening human health through direct contact, inhalation, and most commonly, eating contaminated food. As people are becoming more aware of their food’s origin, new research at the University of Pittsburgh suggests it might be just as important to pay attention to the origin of your food’s food.
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If you can predict the path of the jet stream, the upper atmosphere’s undulating river of wind, then you can predict weather – not just for a week or two, but for an entire season. A new Stanford study moves toward that level of foresight by revealing a physical link between the speed and location of the jet stream and the strength of the polar vortex, a swirl of air that usually hovers over the Arctic.
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