The cloning of embryos for generating stem cells ... Kitai Kim & Willy Lensch Drs. Kitai Kim and M. William Lensch work in Dr. George Daley's laboratory in the Division of Hematology/Oncology ...

Yet Dr. Lee Silver, a Princeton molecular biologist, remains bullish on the idea of cloning humans, while Dr. Rudolf Jaenisch, professor of biology at MIT, just as adamantly opposes the idea ...

Twenty-four years after Dolly the sheep — the first mammal to ever be successfully cloned from an adult cell — was born in Scotland, business is booming for pet cloning in the United States.

Whereas human cloning has been debated by politicians and ethicists largely in terms of its effects on society, children and our sense of personal identity, its deeper challenges lie in the realm ...