Michael Arrington has a post at the TechCrunch blog about his own experience sending in his DNA to 23andMe. Before you let out a "been there, done that" yawn, GTO has this to say -- Arrington raises a great issue that we haven't seen in anyone else's posts so far. What if, he asks, he just sends in someone else's DNA under his own name? Sure, a service company like 23andMe could easily distinguish male DNA from female.

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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.