This Week in Nature

In this week's Nature, members of the Cancer Genome Atlas Research Network report on the results of a comprehensive molecular analysis of esophageal cancer using samples from Western and Eastern populations. The researchers uncovered molecular differences between esophageal squamous cell carcinomas and esophageal adenocarcinomas, and identified three subclasses of esophageal squamous cell carcinomas.

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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.