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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