Scientists at the German Cancer Research Center, the DKFZ, and at Heidelberg University Hospital say they may have found the key to fighting a particularly aggressive type of cancer. Most of the time, brain tumors, also known as glioblastomas, are fatal. Yet researchers have discovered they can be destroyed by parvoviruses. <br />Find out more: www.dw.de/dw/episode/9798/0,,15896269,00.html
