In Genome Biology this week, Christian Soellner and Gavin Wright of the Sanger Institute discuss a protein interaction screen in zebrafish to identify novel ligands that bind to the ectodomains of 150 zebrafish neural receptor proteins. In screening almost 7,600 interactions, they built a network of 34 cell surface receptor-ligand pairs, while further analysis showed "surprising quantitative variation in receptor binding strengths," they say.

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Lawmakers have asked four direct-to-consumer genetic testing companies to explain their privacy policies and security measures, according to Stat News.

The Trump Administration has proposed a plan to reorganize the federal government, the Washington Post reports.

The Economist writes that an increasing number of scientific journals don't do peer review.

In Science this week: genetic overlap among many psychiatric disorders, and more.