This Week in PNAS

In an advance, online publication of PNAS this week, researchers at the J. Craig Venter Institute and their colleagues report their inference of the history of biological metal utilization via comparative phylogenomic analysis of protein structures.

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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.