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Can't Have Kids? Check Out 350 of Your Genes. If You're a Mouse.

Through genetic engineering and gene expression analysis, researchers at UT Southwestern Medical Center found 350 genes linked to female infertility. But, points out Wired blogger Brandon Keim, this was all done in mice and was set up such that genes affecting fertility but not follicle development would be missed. "Rather than identifying a handful of candidate genes in mice and then looking for them in people, why not do a whole genome association study of infertile women and just get it right the first time?" asks Keim.

The Scan

Pig Organ Transplants Considered

The Wall Street Journal reports that the US Food and Drug Administration may soon allow clinical trials that involve transplanting pig organs into humans.

'Poo-Bank' Proposal

Harvard Medical School researchers suggest people should bank stool samples when they are young to transplant when they later develop age-related diseases.

Spurred to Develop Again

New Scientist reports that researchers may have uncovered why about 60 percent of in vitro fertilization embryos stop developing.

Science Papers Examine Breast Milk Cell Populations, Cerebral Cortex Cellular Diversity, Micronesia Population History

In Science this week: unique cell populations found within breast milk, 100 transcriptionally distinct cell populations uncovered in the cerebral cortex, and more.