This Week in PLoS

Researchers led by Kári Stefánsson say that Icelandic mitochondrial DNA underwent rapid genetic drift in the last 1,100 years since the region was settled. The scientists compared mtDNA from 68 early medieval Icelandic skeletal remains to that from modern Icelanders as well as modern inhabitants of Scotland, Ireland, and Scandinavia.

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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.