SciLink's Tree of Science, which creates a sort of genealogy of scientists who have worked together, might be the way to find biology's equivalent of an Erdos number, blogs The Daily Transcript's Alex Palazzo. "In any case to figure out the biology equivalent we would need some sort of repository, or even better some navigational network that lets you explore any possible connection. And now we have the perfect application," writes Palazzo.

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

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

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.