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Whatever Happened to Cloning?
Special Report
Special Report

Whatever Happened to Cloning?

In the 20 years since Dolly the sheep’s birth, the still controversial technology is making advances. These articles cover the latest developments

The First Human Cloned Embryo

Cloned early-stage human embryos¿and human embryos generated only from eggs, in a process called parthenogenesis¿now put therapeutic cloning within reach

November 24, 2001
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The Essential Guide to the Modern World

The Essential Guide to the Modern World