This Week in PLOS

A PLOS One study of snail genetics has unearthed similarities amongst Cepaea nemoralis snails in the Pyrenees and Ireland suspected of stemming from ancient human sea travel between the locales. A pair of researchers from the University of Nottingham used two mitochondrial markers to classify nearly 900 C. nemoralis snails from populations across Western Europe and the UK into seven mitochondrial lineages.

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Researchers have sequenced the northern white rhinoceros to gauge whether it could be brought back from the edge of extinction, the New York Times reports.

Bavaria expands its forensic genetic analyses to include DNA phenotyping, raising discrimination concerns.

Tufts University researchers found a role for miRNA in transmitting stress between generations, the Economist reports.

In Science this week: gut microbiome influences liver cancer growth, spread; and more.