This Week in PLoS

An international team of scientists used chIP-on-chip to map the chromosomal distribution of Drosophila Polycomb group (PcG) proteins, the N- and C-terminal fragments of the Trithorax (TRX) protein, and four candidate DNA-binding factors for PcG recruitment. They also mapped histone modifications associated with PcG-dependent silencing and TRX-mediated activation.

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In a survey, about half of Canadian government scientists say they still feel as though they cannot speak freely, ScienceInsider reports.

The Atlantic reports that biohacker Josiah Zayner regrets injecting himself with the CRISPR gene-editing tool on stage.

Clinicians in China are moving ahead with a number of CRISPR trials, NPR reports, as the US embarks on its first.

In Nature this week: genomic approaches applied to study Neolithic and Bronze Age Europeans, and more.