Production of neurons, astrocytes and oligodendrocytes from mammalian CNS stem cells
The isolation and expansion of precursor cells in a serum-free culture system allows for the systematic characterization of their properties and the intrinsic and extrinsic signals that regulate their function. The discovery of neural stem cells in the adult mouse brain was made possible by
The historic takeover of Fannie Mae and Freddie Mac, which could come as soon as this weekend, moved to the forefront of the presidential campaign Saturday.
In the arena that night, the whole last minute was drowned out by cheers — and then when the soaring music swelled, the confetti rained down as the harbinger of balloons and the hopeful first family took the stage, forget about it — it was a perfect end to a convention that last Monday, no one even knew if it would happen. But it did, and I'm so glad to have been there.