单词：backwounding
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This is Scientific American's 60-Second Science. I'm Steve Mirsky . Got a minute ? Still lots of undecided voters out there, with less than a week to go before election day. But many of these undecideds may already have made their choice. Even though
Scientific American(十)月
The so-called birthers cant accept that President Obama is really a natural-born American citizen. Part of whats behind this seemingly irrational belief may lie in whats called implicit social cognitionthe deep-rooted assumptions we all carry around,
Scientific American(八)月
By Robert Raffaele Washington 27 March 2008 A new type of surgery may make it easier for patients who would otherwise require a more invasive procedure. The new type of operation makes it possible for doctors to remove unwanted tissue through a patie
VOA标准英语2008年（三月）
AILSA CHANG, HOST: Starbucks' plan to close all of its U.S. stores for an afternoon to give their employees racial bias training has a lot of people asking, will this even work? We know little about what the training will include. Starbucks has said
2018年NPR美国国家公共电台4月
RACHEL MARTIN, HOST: About 800,000 people have strokes every year in the U.S. Most are caused when a clot blocks a blood vessel to the brain. We've known about strokes for a long time. But it wasn't until recently that doctors could do anything about
2017年NPR美国国家公共电台5月
By CCTV reporter Liu Yang The Administrative Procedure Law is often used in cases involving the improper handling of land of local governments. Our reporter Liu Yang explains the loopholes in the current law and what the changes to the law would mean
CCTV9英语新闻2013年12月