The SciencesJune 27, 2005
The Ghost of Lysenko
Biologist Irving Weissman warns of the cost of irrational restrictions
Cloning
The SciencesJune 27, 2005
Country Report: UNITED KINGDOM
Positive public attitudes lift British scientists above the destructive fray
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The SciencesJune 27, 2005
A World of Approaches to Stem Cells
The SciencesOctober 11, 2004
Transfer Troubles
Cloning success in animals doesn't extend to humans
The SciencesApril 20, 2004
Cloned Cows Manufacture Cancer Treatment
The SciencesFebruary 13, 2004
Cloned Human Embryos Yield Stem Cells
The SciencesAugust 7, 2003
Mare Gives Birth to Own Clone
May 30, 2003
Equine Cloning Hurdles Cleared, Birth of Copied Mule Suggests
The SciencesApril 11, 2003
Monkey Cloning Failures Cast Doubt on Feasibility of Human Reproductive Cloning
The SciencesDecember 31, 2002
Human Clone Claim Stirs Controversy
The SciencesJune 3, 2002
Scientists Succeed in Transplanting Cloned Cow Tissue
The SciencesMay 15, 2002
Researchers Identify Gene Involved in Deciding Cloned Embryo's Fate