This Week in PLoS

In PLoS Genetics, a paper links genetic and fossil data. Robert Meredith from the University of California, Riverside, is first author on work that sequenced most of the protein-coding region of the enamelin gene in four different orders of placental mammals that lack teeth or have teeth without enamel. In all cases, they found frameshift mutations and/or stop codons that result in a mutated, dysfunctional form of the enamelin protein.

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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.