
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
20 Years after Dolly the Sheep Led the Way—Where Is Cloning Now?
Cloning has had a bigger impact on science, but a smaller one on human life, than many expected
Have the Ethical Questions Surrounding Cloning Changed Since Dolly?
The controversies remain, and new concerns have emerged, but cloning for therapeutic purposes will ultimately be accepted
Dolly at 20: The Inside Story on the World's Most Famous Sheep
From incubation in a bra to an afterlife under glass, how a cloned sheep attained celebrity status

Will Cloning Ever Save Endangered Animals?
Right now, cloning is not a viable conservation strategy. But some researchers remain optimistic that it will help threatened species in the future

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

A Clone Alone No More: The 20-Year Legacy of Dolly the Sheep
The world’s most photographed ewe was born in Scotland on July 5, 1996. Nature Video talks to two of the researchers who created her. This video was reproduced with permission and was first published on June 29, 2016...

Stem Cells Made from Cloned Human Embryos
Cell lines made by two separate teams could boost the prospects of patient-specific therapies

Patient-Specific Human Embryonic Stem Cells Created by Cloning
The breakthrough might set up another showdown about cloning for therapeutic purposes