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Helper Serum Boosts Effectiveness of Flu Vaccine Vaccines against swine and avian flu can be made more effective by the addition of a helper serum known as an adjuvant. The finding from a new study could let vaccine makers stretch supplies and possib
President Obama used a visit to the U.S. West coast this week to highlight the importance of improving education standards to ensure future U.S. competitiveness. He met with leaders of American technology companies, and visited high-tech facilities a
我们今天要学的习惯用语都包括这样一个关键词汇,salt。 Salt这个词大家都熟,是盐。人们在生活中少不了它,一切活细胞也都需要它,人们意识到盐的重要性已经有好几个世纪了,所以由s
One of the biggest challenges in fighting tuberculosis comes from new drug-resistant(抗药性的) strains of the disease. And one of the main reason those strains have developed is that TB patients often don't take their standard, 14-pill, course of
By Parke Brewer Turin 09 February 2006 Five-time Olympian Chris Witty will carry the flag for the U.S. Olympic team at Friday night's opening ceremonies for the Turin Winter Games. Christine Witty Lon
从柴米油盐说起 中国人用柴米油盐酱醋茶概括了生活所必须的点滴琐事,所以,一说起柴米油盐,说汉语的人头脑中第一印象就是过日子。 其实不只是中国人,全人类又何尝不是如此呢?不同