11.   It was not the first time a calf has been cloned, but French researchers noted that it marks progress in the French cloning program.

12.   Japanese scientists clone eight calves from cells of one adult cow.

13.   Marguerite, the first calf to be cloned in France, has died at about six weeks of age from an infected muscle tear, researchers announced Tuesday.

14.   Robl said the technique his team used to clone the calves was a variation on the nuclear transfer process Wilmut used last year to clone Dolly.

15.   The ES stands for embryonic stem cell, the kind of cell from which the calves were cloned.

16.   Van der Haar would only say that Dutch researchers used similar methods that led American scientists to successfully clone calves on earlier occasions.