1.   Embryos grow by cell division.

2.   The embryo grows by cell division.

3.   To much surprise, the embryo grew into a baby lamb.

4.   But all embryos grow by cell division.

5.   As a scientific control, they let other embryos grow without any injections.

6.   By mid-October, when the reports were submitted for publication, only one embryo had grown to six cells and then it stopped dividing.

7.   Five weeks later, ultrasound examination confirmed that the new embryo was growing.

8.   If a mother is malnourished, for instance, the embryo grows more slowly, which leads to low birthweight.

9.   In about five days the embryo would grow into what is a called a blastocyst, from which stem cells could be extracted.