A trial underway in Britain is using a stem cell-based therapy to repair the breasts of women following tumor-removal surgery, and a separate trial is using the technique on healthy women, reports the Times Online. The stem cells are extracted from the fat of the woman's stomach or thighs. Surgeons say that the addition of stem cells may promote the growth of blood vessels.

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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.

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

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