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[科学美国人60秒综合系列] 60秒科学:把包装袋也吃掉
录音原文Picture an orange. It’s encased in a biodegradable shell—the peel’s even somewhat edible, as marmalade fans can attest. But we humans often package food in plastic, with itsenvir2012-02-17 编辑：beck
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[时差N小时] 时差N小时:少吃盐对健康有益(下)
But it’s worth trying to eat less. In one study, researchers used computer models to see how less salt could affect teens’ health. One result showed that reducing salt consumption by as l2012-01-10 编辑：beck
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[时差N小时] 时差N小时:少吃盐对健康有益(上)
I know it’s a good idea for adults to watch how much salt they eat, especially if they’re at risk for high blood pressure. But what about kids? Should parents cut back on how much salt th2012-01-09 编辑：beck
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