This Week in PNAS

In a paper published online in advance in PNAS this week, researchers at Mount Sinai School of Medicine in New York and the University of Illinois at Urbana-Champaign present "an experimental approach based on multicolor single-molecule fluorescent in situ hybridization to study the composition of viral RNAs at single-virus particle resolution." The team applied its FISH-based approach to determine the copy number of each RNA segment within individual virus particles for th

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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.