This Week in PNAS

Researchers from the US, Germany, Australia, and Peru included mitochondrial DNA sequence data in their analysis of pre-Columbian population patterns in Peru. The team sequenced hyper-variable 1 regions in mtDNA from more than 200 ancient individuals from southern Peru. Together with existing mtDNA data, the sequences suggested that at least two large migrations and related cultural shifts occurred in the region.

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Gene drives might run into biological resistance, the Economist reports.

Forensic experts exhumed painter Salvador Dalí's body to collect DNA for a paternity test, CBS News reports.

Yale Environment 360 writes that synthetic and conservation biologists aren't always on the same wavelength, but they are trying to reach an understanding.

In Science this week: full CRISPR locus integration complex structure, and more.