June 2008
21st Century Science & Technology;2008, Vol. 21 Issue 2, p6
The article offers news briefs related to science. On September 27, 2009, Shenzhou VII mission commander Zhai Zhigang of China exited the orbital module of his spacecraft and successfully conducted a nearly 25-minute extravehicular activity, or space walk. The U.S. Food and Drug Administration has allowed the use of ionizing radiation to control pathogens in iceberg lettuce and fresh spinach. The beneficiaries of the energy incentives have been the oil and natural gas industries in the U.S.


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