pFourteen years after a risky operation to save the life of an infant suffering heart failure, a team of U.K. doctors is claiming success. Hannah Clark (now aged 16)--who as a baby had a donor heart grafted onto her own--has made a full recovery, three years after the transplanted heart was removed, the doctors claim in an article published online today by The Lancet. a href=http://www.scientificamerican.com/blog/60-second-science/post.cfm?id=teens-broken-heart-mends--literally-2009-07-14[More]/a