In 1999, scientists noticed that the cells in Dolly's body _ cloned from a 6-year-old sheep _ had started to show signs of wear more typical of an older animal.

The four sheep cloned from Dolly’s cell line did not suffer the same bad health as their sister, Dolly. Sheep live an average of 10 to 12 years, and these four — Daisy, Diana, Debbie, and ...

Ian Wilmut, the cloning pioneer whose research was critical to the creation of Dolly the Sheep, has died, the Roslin Institute at the University of Edinburgh said Monday. He was 79.

LONDON, UK — Ian Wilmut, the cloning pioneer whose work was critical to the creation of Dolly the Sheep in 1996, has died at age 79. The University of Edinburgh in Scotland said Wilmut died ...

Ian Wilmut, the cloning pioneer whose research was critical to the creation of Dolly the Sheep, has died, the Roslin Institute at the University of Edinburgh said Monday. He was 79.

LONDON — Ian Wilmut, the cloning pioneer whose work was critical to the creation of Dolly the Sheep in 1996, has died at age 79. The University of Edinburgh in Scotland said Wilmut died Sunday ...

LONDON, UK — Ian Wilmut, the cloning pioneer whose work was critical to the creation of Dolly the Sheep in 1996, has died at age 79. The University of Edinburgh in Scotland said Wilmut died ...

Fox News Flash top headlines are here. Check out what's clicking on Foxnews.com. Ian Wilmut, the cloning pioneer whose work was critical to the creation of Dolly the Sheep in 1996, has died at age 79.

LONDON, UK — Ian Wilmut, the cloning pioneer whose work was critical to the creation of Dolly the Sheep in 1996, has died at age 79. The University of Edinburgh in Scotland said Wilmut died ...