This Week in PLoS

In PLoS Biology this week, a team led by investigators at the State University of Campinasi in Brazil uses metagenomics to show that the presence of gut microbiota in TLR2-deficient mice — which, "under germ-free conditions, are protected from diet-induced insulin resistance" — could reverse the animal's phenotype by inducing insulin resistance.

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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.