Human Waste Killing Caribbean Coral In the first documented case of a human pathogen infecting a marine species, U.S. scientists say a bacterium in untreated human sewage is killing coral along the Florida coast and in the Caribbean Sea. The finding

发表于:2019-01-11 / 阅读(51) / 评论(0) 分类 VOA标准英语2011年(八月)

By Efam Dovi Accra 22 September 2006 As health care gets increasingly expensive and ineffective in many African countries, a growing number of people are turning to traditional medicine. The World Health Organization estimates seven out of 10 people

发表于:2019-01-12 / 阅读(99) / 评论(0) 分类 2006年VOA标准英语(九月)

Joe DeCapua 15 April 2010 Over the years, theres been debate over when to start HIV-positive patients on anti-retroviral drugs, or ARVs. At first the standard practice was to wait until a persons immune system had nearly collapsed. But a growing body

发表于:2019-01-13 / 阅读(69) / 评论(0) 分类 VOA标准英语2010年(四)月

DON GONYEA, HOST: Port-au-Prince, Haiti is a city of more than 3 million people with no sewer system. International donors have spent millions of dollars on infrastructure meant to help the situation. But a multi-year plan to build sewage treatment p

发表于:2019-01-16 / 阅读(64) / 评论(0) 分类 2017年NPR美国国家公共电台7月

Apnea Treatment Improves Golf Game A study presented at CHEST 2009, the meeting of the American College of Chest Physicians, found that golfers with apnea who got treatment lowered their handicaps by as much as three strokes. Steve Mirsky reports The

发表于:2019-01-30 / 阅读(149) / 评论(0) 分类 60秒科学

Ecolab Inc., an American global provider of clean energy technologies and services, has made great progress on helping industries in China to produce their goods with less water consumption. Those industries include dairy plants, food industries, ste

发表于:2019-02-18 / 阅读(28) / 评论(0) 分类 英语新闻