单词：
单词： 相关文章
By Melinda Smith Washington 30 March 2007 Since the mid-20th century the World Health Organization reports there has been an increase in the rate of breast cancer among women in developed countries. For decades, doctors have urged their patients to d
2007年VOA标准英语（三月）
Looking Into Your Brain Just Became Easier Researchers and engineers keep improving the machines that help doctors better understand and diagnose conditions that affect our brains. One of the goals is to find causes of Alzheimers and Parkinsons disea
VOA标准英语2016年(六月)
54 时差对大脑的影响 DATE=6-6-01 TITLE=SCIENCE REPORT- Jet Lag and the Brain BYLINE=Nancy Steinbach (Start at 59
科技之光
Searching the Internet can be a totally exhausting experience, as you bounce from one site to another to another, sometimes until you cant remember what you were looking for in the first place. But according to scientists at U.C.L.A., all that virtua
Scientific American(十)月
By Al Pessin Pentagon 14 March 2008 The U.S. Defense Department announced Friday that it has taken custody of a senior al-Qaida official, who is now being held at the detention center at Guantanamo Bay, Cuba. VOA's Al Pessin reports from the Pentagon
VOA标准英语2008年（三月）