The World

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1 | Barcelona Stem Cell-ebration European physicians have announced the success of a breakthrough procedure in which a woman's windpipe was rebuilt using her own stem cells. The operation, performed on 30-year-old Claudia Castillo this past June, seeded a stripped-down segment of a donor's trachea with stem cells from Castillo's bone marrow, ensuring a perfect tissue match and reducing the likelihood of transplant rejection. The procedure has been championed as a milestone that could pave the way for radical improvements in organ transplants and the treatment of serious diseases.

2 | Managua Mayoral Vote Causes Chaos The contested outcome of Nov....

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