This Week in PNAS

In this week's PNAS Early Edition, a public-private research consortium of investigators at plant research institutes as well as beer and whiskey producers across Europe reports its mapping of 15 traits across about 500 barley crop cultivars genotyped with more than 1,500 SNPs. The team found "high levels of linkage disequilibrium within and between chromosomes" and "common alleles of high penetrance" across the cultivars.

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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.