Charles Darwin carried out experiments on inbreeding in plants that led him to worry about the health of his children, note Francisco Ceballos and his colleagues in this month's BioScience. The researchers then examine the family trees of both Charles Darwin and his wife Emma Wedgewood, who was also his first cousin, to determine if Darwin's fears were founded — and the researchers say they were.

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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.