This Week in Science

In this week's Science, scientists from the Salk Institute and the University of California, San Diego, report a new imaging technique that enabled them to visualize the 3D structure of chromatin and gain new insights into how it is packed into the nucleus of human cells. Dubbed ChromEMT, the method makes use of a fluorescent dye that stains DNA and selectively enhances its contrast in electron microscopy.

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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.