This Week in Science

In early online publication this week, Stefanie Dimmeler at Goethe-University Frankfurt showed that a specific miRNA controls angiogenesis in mice. In the work, she and her team found that the miR-17~92 cluster is highly expressed in human endothelial cells and that one in particular, miR-92a, controls angiogenesis. When they overexpressed miR-92a in endothelial cells, it blocked angiogenesis both in vitro and in vivo.

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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.