Researchers at Caltech have created a new prototype digital petri dish that can send information about what's growing on it to a laptop for further analysis, reports Technology Review's Katharine Gammon. Dubbed the "ePetri," the team created its prototype using Lego blocks and an image sensor from a cell phone. "A sample is placed on top of a small image-sensor chip, which uses an Android phone's LED screen as a light source," Gammon says.

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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.