GOOD NEWS
FROM THE HATCHERY You may never have heard of a nude mouse, but infertile women may come to love them. Canadian doctors have taken tiny bits of a young woman's frozen ovarian tissue and transplanted them to the back muscles of a fur-free, or "nude," mouse (the lab species of choice because it has no graft-rejecting immune system). The eggs were incubated under the critter's skin and eventually harvested. A tiny first step, but an important one: the technique may one day allow women with ovarian cancer, for example, to have children of their own.
PRUNING POLYPS Superaspirin...
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