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This Week in Nature

This week in Nature, the New York Stem Cell Foundation Laboratory's Dieter Egli and his colleagues report their "development of human oocytes after genome exchange arrests at late cleavage stages in association with transcriptional abnormalities." The team says that through this process, "if the oocyte genome is not removed and the somatic cell genome is merely added, the resultant triploid cells develop to the blastocyst stage," and adds that "stem cell lines derived from these bla

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Nature News reports that researchers in Japan hope to soon test the use of reprogrammed stem cells to treat damaged corneas.

A new approach may help limit the number of fish that are mislabeled at markets or restaurants, according to New Scientist.

At Slate, the R Street Institute's Nila Bala discusses the privacy rights of suspects that genetic genealogy approaches in law enforcement bring up.

In PNAS this week: numerous mobile genetic elements contribute to Vibrio cholerae drug resistance, troponin I mutations in sudden infant deaths, and more.