MANIPULATING NATURE

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Two same-age salmon, one a genetically modified salmon (rear), the other a non-genetically modified salmon (foreground) appear in this photo provided by AquaBounty Technologies. The U.S. Food and Drug Administration has recently been studying whether to approve marketing a genetically engineered animal as safe for people to eat. (AP Photo/AquaBounty Technologies) 

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Genetically engineered angelfish (Pterophyllum) glow in a tank under a blacklight, at a fish farm in Pingtung, southern Taiwan on September 16, 2010. The fish are the world's first fluorescent angelfish which were created by a joint project between Taiwan's Academia Sinica and Jy Lin, a private biotechnology company. The breed is the largest fluorescent fish in the world which are able to mate and reproduce, said Yu-Ho Lin, Chairman of Jy Lin. The fish are expected to be sold at around $30 after certification. (REUTERS/Pichi Chuang) 

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An overall view of a massive fish kill in the Bayou Chaland area of Plaquemines Parish in Louisiana is pictured in this handout photograph taken on September 10, 2010. The cause of the fish kill has not yet been determined, but the area they were discovered in was impacted by oil from the BP oil spill. Among the fish dead were pogie fish, redfish, shrimp, crabs and freshwater eels. (REUTERS/P. J. Hahn/Plaquemines Parish Coastal Zone Management) #