1.   Defects in some cell colonies have already been reported.

2.   These cell colonies are clones.

3.   Pipettes thinner than human hair suck up the cell colonies and transfer them to new containers.

4.   President Bush issued regulations last summer forbidding federal funding of human embryonic stem cell research except for experiments involving cell colonies that already exist.

5.   President George W. Bush last summer issued regulations that would forbid federal funding of human embryonic stem cell research except for cell colonies that already existed.

6.   U.S. President George W. Bush issued regulations last summer forbidding federal funding of human embryonic stem cell research except for experiments inolving cell colonies that already exist.