Wed, 27 Jan 2010 19:40:19 +0100 (AFP/Getty Images/File) - Stem cells are prepared for culture at a lab. Bioscientists said on Wednesday they had turned the skin cells of mice into brain cells in less than a week, in a boost for the quest of growing tissue in a lab to replenish damaged or diseased organs.(AFP/Getty Images/File/Darren Hauck)
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