NEW YORK (GenomeWeb News) – In BMC Genetics, Polish researchers report on the ancient DNA analysis that they used to take a peek back at social organization patterns in a native population in Peru prior to Columbus' journey to the Americas. The analysis relied on DNA from bone and tooth samples from 41 individuals found at six traditional burial sites, known as chullpas, in the Arequipa area of Peru.

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Researchers in the UK and Australia uncover genetic links between BMI and depression, the Guardian reports.

The Verge details the account of an academic who alleges her university retaliated against her after she complained of sexual harassment by her supervisor.

The New York Times writes that natural history museums are helping round out genetic studies with older specimens.

In PNAS this week: artemisinin resistance mutations in malaria parasites, ant-plant interactions over time, and more.