Earlier this year, researchers published a paper in Molecular Ecology saying that the biodiversity of an area could be determined by closely studying the DNA derived from skin cells, scales, or waste found in soil samples. Now, says Scientific American's Sophie Bushwick, another team of researchers has published a paper in Molecular Ecology with a similar bent.

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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.