Culture: November 2007 Archives

Hot Air: Debate over? Scientists turn adult skin cells into embryonic stem cells

"Ultimately, [Shinya Yamanaka] found he could get about ten [induced pluripotent stem] cell colonies from every 50,000 skin cells, an acceptable efficiency given how easy it is to grow thousands of skin cells from a tiny sample. He coaxed the [induced pluripotent stem] cells to become nerve cells, beating heart cells and other major cell types. And he showed that they were exact genetic matches to the skin cells they came from, suggesting that tissues or organs grown from them could be transplanted into the person who donated the skin cells and not be rejected."

iowahawk: My Book to Help America

iowahawk has posted scans of every page of this wartime children's book written and illustrated by Munro Leaf, the famed author of The Story of Ferdinand. It's all about teaching little boys and girls what they could do to help America win the war.