The blogosphere is buzzing with the news that the FDA is finally cracking down on direct-to-consumer genetic tests, treating them as if they were medical devices and informing companies that sell them that they are selling medical devices without FDA approval. The New York Times' Andrew Pollack says the FDA has sent letters to five companies last week, saying they must have regulatory approval before selling the DTC tests.

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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.

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

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