This Week in Nature

In Nature this week, a team of researchers from across the US present a comprehensive analysis of the genome-wide chromatin landscape of Drosophila melanogaster, based on 18 histone modifications and summarized by nine prevalent combinatorial patterns. Active genes display distinct chromatin signatures that are correlated with "disparate gene lengths, exon patterns, regulatory functions and genomic contexts," the authors write.

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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.

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

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