Interesting read about scientists saying they have produced embryos that are clones of two men, a potential step toward developing scientifically valuable stem cells.
It's the first documented demonstration that ordinary cells from an adult human can be used to make cloned embryos mature enough to produce stem cells. But because they haven't produced those stem cells yet, experts reacted coolly.
Since other scientists had previously made a cloned human embryo, "I found it difficult to determine what was substantially new," said Doug Melton of the Harvard Stem Cell Institute....
http://www.foxnews.com/story/0,2933,323430,00.html
It's the first documented demonstration that ordinary cells from an adult human can be used to make cloned embryos mature enough to produce stem cells. But because they haven't produced those stem cells yet, experts reacted coolly.
Since other scientists had previously made a cloned human embryo, "I found it difficult to determine what was substantially new," said Doug Melton of the Harvard Stem Cell Institute....
http://www.foxnews.com/story/0,2933,323430,00.html