This Week in PNAS

In the early, online issue of PNAS this week, Canadian and American researchers report that turkeys were domesticated at least twice in North America. Based on their analyses of ancient mitochondrial DNA from 149 turkey bones and dozens of dung samples from archaeological sites in the US combined with comparisons of modern samples and GenBank data, the team found that a now extinct domesticated turkey sub-species once existed in the American southwest.

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Reuters reports that UK researchers are using gene-editing tools to develop flu-resistant chickens.

Nature calls for genomics to become part of the World Health Organization's cholera surveillance approach.

Vox explores a proposal to institute a lottery system to award grant funds.

In Genome Biology this week: gut microbiome study of individuals from Tanzania and Botswana, sixth version of the Network of Cancer Genes database, and more.