By Zulima Palacio Washington 15 March 2007 watch Artemisinin and Malaria Artemisia plant Artemisia plants grow in many parts of the world, and many varieties have long been known to have medicinal properties. One particular variety, Artemisia annua

发表于:2019-01-11 / 阅读(65) / 评论(0) 分类 2007年VOA标准英语(三月)

Heat-Resistant Glassware Celebrates 100th Anniversary 耐热玻璃器皿诞生100周年 One hundred years ago, a new kind of cookware entered the American market. It was called Pyrex. Today the Pyrex name is well known in the United States. The heat-

发表于:2019-01-12 / 阅读(47) / 评论(0) 分类 2015年VOA慢速英语(六)月

Most rice grows in wet environments, but too much water can be disastrous for rice crops. Plant biologist Pamela Ronald helped create a type of flood-resistant rice that is being introduced to India and Bangladesh. In Davis, California, we spoke wit

发表于:2019-01-13 / 阅读(46) / 评论(0) 分类 VOA标准英语2009年(三月)

HEALTH REPORT - Increasing Supplies of Malaria Drug Through Genetic EngineeringBy Cynthia Kirk Broadcast: Wednesday, April 19, 2006 I'm Shep O'Neal with the VOA Special English Health Report. Malaria

发表于:2019-01-30 / 阅读(42) / 评论(0) 分类 2006年慢速英语(四)月

59 美国科学家正试图培育抗叶锈病小麦 DATE=6-19-01 TITLE=AGRICULTURE REPORT - Developing Wheat Resistant to Leaf Rust BYLINE=George Grow (Start at 59

发表于:2019-01-30 / 阅读(65) / 评论(0) 分类 科技之光

The International Atomic Energy Agency is making a push for an unusual type of technology, using radiation to produce higher yielding and hardier plants. Lisa Bryant has more on the technology that the IAEA says could help reduce hunger affecting mi

发表于:2019-02-06 / 阅读(59) / 评论(0) 分类 VOA标准英语2008年(十二月)