This Week in Nature

There's a slew of papers in the early online edition of Nature on stem cells. "Five studies show that disabling p53, an essential tumour-suppressor protein, improves the efficiency of stem-cell production," says a News and Views authored in part by Scott Lowe. "Are these results a 'heads up' that cancer cells and stem cells are disturbingly similar?"

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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.