单词：dodecyldiaminoethyl-glcyinhydro-chloride
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This is Scientific American's 60-Second Science. I'm Karen Hopkin. This will just take a minute. As Valentines day approaches, remember, its the thought that counts. Just ask a decorated cricket. Because according to a study published in the January
Scientific American(一)月
The hunt for the murder suspect, Nai Yin Xue, has come to an end when he was found in a small town in Georgia in the south of the United States. Two New Zealand police officers will probably bring him back to this country to stand trial for the murde
新西兰英语
Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main
2016年Scientific American(一)月
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
万物简史
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
TED演讲教育篇
As a Climate Saver, Yingli has promised an emission reduction target for a fixed period of time. By 2015, at least 4-percent of the electricity the company consumes will come from renewable sources, specifically solar. This target is four times the p
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