http://www.sciencedaily.com/videos/2008/0905-jellyfish_fight_terrorists.htmIt is harh to find out the virus in the air. It is a difficult technology problem.
However, there are some be maken to find out the virus inthe air. In the lab, Todd Rider first developed the CANARY Sensor using jellyfish DNA and a high-voltage electrical charge. Then scientist use electry and light to work. Scientists say operation is as simple as loading your DVD player. Finally, for the invention which the article talk about, we are more safe from the attacks of the terrorists.
vocabulary: jellyfish--any of various marine coelenterates of a soft, gelatinous structure, esp. one with an umbrellalike body and long, trailing tentacles; medusa.
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