This Week in Nature

In Nature this week, researchers from the University of California, Berkeley reported on an ancient genetic variation that enables Tibetans to survive at high altitudes. The low oxygen levels on the Tibetan plateau make it inhospitable to most humans except those indigenous people. Previous studies have identified a hypoxia pathway gene called EPAS1 as being key to Tibetans' ability to live in this environment.

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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.