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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A new study finds that a placental protein linked with preeclampsia can be targeted by RNA silencing, according to the New Scientist.

A settlement is expected in a Duke University lawsuit hinging on using falsified data to win grants, Retraction Watch and Science report.

A phylogenetic analysis finds that the rare hemimastigotes form their own supra-kingdom, CBC reports.

In PNAS this week: approach for analyzing the expression of endogenous retroviruses, circular RNAs that influence host-virus interactions, and more.