Â鶹Éç

Available for over a year

Chinese are first to approve gene therapy treatment for patients outside clinical trials and it is for patients with cancer of the head and neck involving gene P53. Stem-cell hope to repair human heart muscle after heart attacks. Research continues into the coronavirus that causes severe acute respiratory syndrome (SARS), even though recent outbreak is over. Geologists discover deep ocean ridges that could explain the structure of the continental margins.