“痒”基因(1)
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科学60秒:老人家---慢得有道理!
:Hints:meander-nessOlder folks may appear to react or process info slowly. But there may be a method to their meander-ness: they're making sure they get it right. Scientists gave undergrads and...
科学60秒:道路维护助长外来物种势力
Invasive species get a bad ___1___—but we humans are usually to blame for their spread. Take Japanese Stiltgrass, an invasive that arrived from Asia nearly 100 years ago as a packing material fo
美文听写:To be or not to be生存还是毁灭(下)
1.Contrariwise adv. 反之,顽固地,乖张地Contrariwise,it is true that every time you acquire a new interest--even more,a new accomplishment--you increase your power of life. No one who is dee...
飓风袭击美国德州(1)
进来真是“风起”云涌啊,这边台风,那边龙卷风,不得安宁Weather forecasters had expected Humberto to remain a tropical storm as it came over land, but it took a slight turn away from land Wednesday...