单词:air-borne biological form
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Broadcast: Jan 10 2003 The Pentagon has issued a statement 2) asserting the military is prepared to protect its personnel from possible biological weapons attack. On the surface, the Pentagon's assert
This is the VOA Special English Agriculture Report. A farmer in his maize field near Arusha, Tanzania The maize streak virus causes one of the most destructive crop diseases in Africa. Not only is it economically damaging, it can also threaten food
Millions of Americans Suffer From Hair Loss This is Science in the News, in VOA Special English. Im Shirley Griffith. And Im June Simms. Today we talk about hair. We will tell what hair is, how it grows, and some of the main reasons people lose it. H
By Lisa Schlein Geneva 20 November 2006 U.N. Secretary-General Kofi Annan is urging nations to do more to combat biological weapons, and to create global safeguards to keep them out of terrorist hands. Kofi Annan at a review conference on Biological
AGRICULTURE REPORT - Biological Controls, Part 1 By Mario Ritter Broadcast: Tuesday, April 13, 2004 This is Steve Ember with the VOA Special English Agriculture Report. Biological controls are living
Israel Practices Biological Attack Response The Israeli government has carried out a two-day exercise it says is aimed at boosting preparedness for any terrorist attack aimed at sparking an outbreak of a highly contagious disease. Israeli officials e