Inserting new Brain Cells to combat Disease

Neural transplantation scientists assess outcomes of inserting new brain cells into patients with diseases such as Parkinson's and Alzheimer's. Disaster averted in the final stage of Galileo's 10-year space mission to investigate Jupiter, looking at the surface of the planet's moon, Io. The latest Nobel Prize winners and their achievements: Günter Blobel (Medicine); Gerard 't Hooft, Martinus J. G. Veltman (Physics); Ahmed Zewail (Chemistry). A new tree to help a growing population of Indonesian tribesmen.