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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)
By Chris Mitchell Washington, DC 06 April 2006 watch Medical Imaging report Medical experts have defended medical imaging as a way to improve health care, during a briefing at the U.S. Capitol buildin
2006年VOA标准英语（四月）
BEIJING, May 24 (Xinhuanet) -- CT scan, a widely used heart-imaging test, is likely to result in the over treatment for patients with heart disease, according to a study published online by the Archives of Internal Medicine on Monday. CT, which produ
英语新闻
Afghanistan has become the first country to map its natural mineral resources using an advanced remote sensing technique known as hyperspectral imaging. The mapping, a collaborative effort between the U.S. Geological Survey and the Afghan Geological
英语新闻
Do you remember who won the world series in nineteen sixty- eight, but forget where you left your keys? Are you great at remembering all the details of a story, but lousy when it comes to remembering peoples names? What our brains choose to remember,
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