According to this wire story, scientists in Norway homed in on epigenetic markers that indicate which stem cells are best suited for regenerating tissue. The catch? The work has been performed on liposuctioned stem cells. As the article points out, "Unlike other sources of adult stem cells, fat is abundant and there is no shortage of donors."

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Jay Shendure and his colleagues have developed a new method to more comprehensively identify human cell types, the NY Times reports.

Researchers in the UK and Japan have shown that infertility in mice with three sex chromosomes can be overcome, according to the Guardian.

China is embracing preimplantation genetic diagnosis, Nature News reports. 

In PLOS this week: host genetic factors associated with cervical neoplasia progression, population patterns for an ancient flowering rainforest plant, and more.