5'-N-乙基羧基酰胺基腺苷

SSS 2010-05-30

This is Scientific America's 60-Second Science. I am Karen Hopkin. Thisll just take a minute. Research on acupuncture just got a shot in the arm. Well, a needle near the knee, actually. Because a study in the journal Nature Neuroscience has uncovered

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Scientific American(五)月

5个妙招，教你练就办公室午睡达人

In many corners of our productivity-obsessed society, naps are associated with laziness. Everyone should sleep eight hours at night,the thinking goes, and work all through the day.But that's backward. Most people routinely woke up for several hours i

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VOA标准英语2010年-Acupuncture Triggers Natural Painkille

Finding could lead to more effective, longer-lasting pain treatment Faith Lapidus | Washington, DC 07 June 2010 Researchers are closer to unlocking the mysteries of acupuncture, learning more about why the ancient Chinese needle treatment eases pain.

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VOA标准英语2010年(六)月

万物简史第225期:把铅撵出去(14)

By counting back through these layers and measuring the amount of lead in each, he could work out global lead concentrations at any time for hundreds, or even thousands, of years. The notion became the foundation of ice core studies, on which much mo

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万物简史

万物简史第213期:把铅撵出去(2)

Lead is a neurotoxin. Get too much of it and you can irreparably damage the brain and central nervous system. Among the many symptoms associated with overexposure are blindness, insomnia, kidney failure, hearing loss, cancer, palsies, and convulsions

发表于:2019-02-17 / 阅读(53) / 评论(0)

万物简史

TED演讲获奖青少年,科技在行动(1)

If you were going to a restaurant and wanted a healthier option, 如果你去饭店，你想吃得健康一点， which would you choose, grilled or fried chicken? 你会选择哪种食品呢，烤鸡还是炸鸡？ Now most people would answer grill

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