First Dolly the sheep, now Charlie and George the calves, the two long lashed, week old, genetically engineered Holsteins became the latest cloning sensations when scientists announced that the animals had been given life using an efficient new method that offers the hope of broad and lucrative medical benefits. The calves were cloned from the cells of cow foetuses by two University of Massachusetts scientists, Dr. James Robl and Dr. Steven Stice.