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  • 学个词Learn a Word 第1494课 immune

    今天我们要学的词是immune。Immune, 的意思是免疫的,比如,immune system就是指免疫系统, immune disease则是免疫系统疾病。Immune还可以指免除的,不受影响的. Apple's OS X, which has long been considered immu...

  • VOA标准英语2010年-AIDS: Pioneer of “Treatment as Preve

    The doctor who helped pioneer the treatment as prevention approach in the fight against HIV/AIDS will receive the Albert Einstein World Award of Science. Dr. Julio Montaner chaired the 18th International AIDS Conference in Vienna last July. The forme...

  • VOA标准英语2010年-Combined Smallpox-Anthrax Vaccine Pass

    Researchers have developed an improved version of the smallpox vaccine that can be combined with a vaccine against anthrax. The dual vaccine represents a significant scientific achievement as well as a possible improved defense against biological att...

  • VOA标准英语2010年-Breast Cancer Vaccine Researchers Plea

    Researchers went to the U.S. Capitol Thursday to plead for more funding so that a breast cancer vaccine could be tested on humans. The doctors from Cleveland Clinic in Ohio say their vaccine has prevented cancer in laboratory mice, but they are unabl...

  • VOA慢速英语2010年-SCIENCE IN THE NEWS - Autoimmune Disea

    BOB DOUGHTY: This is SCIENCE IN THE NEWS, in VOA Special English. Im Bob Doughty. BARBARA KLEIN: And Im Barbara Klein. This week, we talk about a sickness called lupus and other autoimmune diseases. Autoimmune diseases affect the immune system, the b...

  • SSS 2010-05-18

    This is Scientific American's 60-Second Science. I'm Steve Mirsky. Got a minute? Could the eradication of smallpox have been a factor in the spread of HIV? Thats the question posed by researchers in the journal BMC Immunology, who think that the vacc...

  • SSS 2008-12-09

    Chinese medicine has been getting some props lately. A couple of recent studies have demonstrated the medical potential of traditional treatments. Part of the challenge of AIDS is that immune cells lose their ability to divide and thus their disease...

  • SSS 2008-08-27

    This is Scientific American's 60-Second Science. I'm Cynthia Graber. This will just take a minute. The plague is most famous for killing tens of millions of people all over Europe in the 1300s. Plague is caused by the bacteria Yersinia pestis. And th...

  • SSS 2008-05-21

    This is scientific American's 60-Second Science, I'm Christopher Intagliata. Got a minute? The yeast Candida albicans ekes out a quiet living in our gut. But its a tough life. It faces acids and enzymes, and the immune system always bullies invaders....

  • VOA标准英语10月-Kenya Not Immune From Global Downturn

    Developing countries in Africa are bracing for serious setbacks in their economies. One of the countries that may feel the effects of the downturn more acutely than others is Kenya, which suffered months of political unrest earlier this year. VOA Co...

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