This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Sciences, researchers from Denmark, the Netherlands, and the US report on their DNA sequencing of ancient samples from a 17th century burial ground on Saint Martin in their effort to understand the geographic origins of individuals involved in the transatlantic slave trade.

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Two researchers have found that behavioral genetic defenses in criminal cases don't tend to affect outcomes, according to Popular Science.

Researchers report that while host genetics influence the oral microbiome, they don't appear to affect cavity-causing microbes, the Economist says.

Pandas' gut microbiomes change as what they eat changes with the seasons, writes Discover's Inkfish blog.

In PLOS this week: comparative genomic study of malaria-linked macaque parasite, search for apple root reference genes, and more.