1.   At the moment, those surplus embryos are simply being destroyed and thrown away.

2.   All previous work in this field has used stem cells derived from surplus embryos that would have been discarded at fertility clinics.

3.   Human embryonic stem cells, derived from surplus human embryos created in fertility clinics, were first grown successfully by Dr. James A. Thomson of the University of Wisconsin.

4.   Many legislators found this research easy to accept because it involves gaining medical benefit from surplus embryos that would be destroyed by the fertility clinics in any event.

5.   Ronald Stoddart is executive director of Nightlight Christian Adoptions, which, among other things, places surplus embryos with adoptive parents.

6.   Some argue that these surplus embryos would have been destroyed anyway, so why not use them for beneficial purposes.?

7.   The cells at issue are called adult stem cells, and differ from the embryonic stem cells that can be derived from surplus human embryos.

8.   The cells are derived from the surplus human embryos that are unavoidably created in fertility clinics.

9.   The new guidelines announced Thursday permit federally financed researchers to work on stem cells extracted from surplus embryos at private laboratories.

10.   The new guidelines announced Wednesday permit federally financed researchers to work on stem cells extracted from surplus embryos at private laboratories.