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Published August 06, 2013, 12:00 AM

Stem cell burger

A new burger made from cultured beef grown in a laboratory from stem cells of cattle, is cooked by chef Richard McGeown during the world's first public tasting event for the food product held in London Aug. 5. (AP Photo / David Parry, PA)
Read the article: Q&A on the science of growing hamburger in the lab