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Nature 441, 1059 (29 June 2006) | doi:10.1038/4411059a; Published online 29 June 2006

Open Innovation Challenges

Editorial Stem-cell Biology

Natalie DeWitt1

More than 30 years ago, neurologist Oliver Sacks wrote of the Parkinson's drug l-dopa: "It is impossible to avoid the feeling that here, over and above all legitimate enthusiasms, there is this special enthusiasm, this mysticism, of a magical sort."It is striking how aptly these words describe the current enchantment with stem cells.