1.   At one point, a former Baylor public affairs employee writes a press release that says the sterile mice studied are menopausal, but really, they are not.

2.   By introducing one microbe at a time into sterile mouse guts, they hope to eavesdrop on the conversations between cells.

3.   In an experiment now being conducted, Brinster and his colleagues gave genetically sterile mice sperm stem cells from distinctively colored mice.

4.   When the Pennsylvania researchers, led by Ralph L. Brinster, transplanted spermatogonia stem cells from healthy mice to sterile mice, some of the cells formed sperm.

5.   Scientists for the first time have transplanted immature sperm cells into sterile mice regenerating their ability to produce sperm and offspring, a specialized magazine reported.