单词：nonpathogens
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I have a trivia question for you, Don. What do the Ebola virus, anthrax, and the avian flu have in common? 唐，我有个小问题想问你，埃博拉病毒、炭疽热和禽流感这些疾病有哪些共同的特点？ Researching Disease 疾病研究
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Pathogens with added genes from Arctic bacteria could serve as vaccines that elicit an immune response before getting cooked in our warm bodies. Some bacteria have adapted to super cold environments for millions of years. And scientists have isolated
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The Patriot Act and the Bioterrorism Preparedness Act were passed in 2001 and 2002. These laws in part cover research on pathogens and toxins thought to have potential as bioweapons. The Bush administration increased funding for research on such toxi
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By Cindy Saine Capitol Hill 22 September 2009 Senators Joseph Lieberman (r) and Susan Collins prior to start of committee's hearing on Weapons of Mass Destruction Prevention and Preparedness Act of 2009, on Capitol Hill, 22 Sep 2009 Two U.S. senator
VOA标准英语2009年(九月)
There's a good reason why people should be concerned about having a healthy environment containing lots of animal and plant species. A new study says the loss of biodiversity may make humans more vulnerable to infectious diseases. Biodiversity is one
VOA标准英语2010年(十二)月
DAVID GREENE, HOST: For the first time, scientists have figured out just how many tiny critters are living inside your kitchen sponge. Now, don't fear. NPR's Michaeleen Doucleff says there is something you can do about this. MICHAELEEN DOUCLEFF, BYLI
2017年NPR美国国家公共电台9月
Warmer Temps Trigger More Disease升温引发更多疾病 Climate change is often associated with extreme weather events, melting glaciers and rising sea levels. But it could also have a major impact on human, animal and plant health by making it eas
VOA常速英语2013年(八月)
台湾籍旅美老师今天交给我们的句子是： But keep in mind that as long as youre not transferring any infectious pathogens, increasing the diversity in your body is actually a very good thing. 但记住只要你不是在交换任何传染性
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