MIT is celebrating the 50th anniversary of the groundbreaking RNA research conducted by biophysicist Alexander Rich. According to the news clip, Rich announced in 1956 in the Journal of the American Chemical Society that single strands of RNA can spontaneously join together to form double-stranded molecules.

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A new Nature Biotechnology paper reports that CRISPR-Cas9 gene editing can lead to large deletions or complex rearrangements that could be pathogenic.

The UK's Nuffield Council on Bioethics says genetically modifying human embryos could be morally permissible, according to the Guardian.

The Wall Street Journal likens a prototype developed by Synthetic Genomics to a "biological fax machine."

In PNAS this week: strategy for reactivating Rett syndrome-linked MECP2, small molecules able to suppress Staphylococcus aureus virulence, and more.