BLUE GENES Welcome to the brave new greenhouse. Last week Florigene, a biotech company based in Australia, launched its line of violet carnations, Moonshadow, which do not exist in nature but were genetically engineered using a gene from petunias. The company plans to release a black carnation (made with an eggplant gene) next year and eventually hopes to create blue-hued roses. Maybe one day it will even make people into Smurfs.
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