By Doug Macron

RXi Pharmaceuticals this week said that it has struck two separate deals, one with Mirna Therapeutics and one with Miragen Therapeutics, to evaluate its proprietary RNAi molecules, dubbed rxRNAs, as therapeutic microRNA mimics.

And while RXi continues to bill itself as an RNAi drug developer, a company official indicated this week that the firm may expand its focus into the miRNA field as it works to meet its goal of defining its areas of therapeutic interest by the end of the second quarter.

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In Nature this week: association between genome-wide homozygosity and traits like height and cognitive ability, improved CRISPR-Cas9 editing, and more.

A survey examines how age, political leanings, and more influence how Americans view certain scientific topics, the Associated Press reports.

A researcher who pleaded guilty to making false statements in research reports has been sentenced to four and a half years in prison and must pay $7.2 million back to the NIH.

The BabySeq project to study the risks and benefits of sequencing newborns is underway.