Harvard's Judy Lieberman and her colleagues report on a topical RNAi-based treatment to prevent herpes infections. In their Cell Host & Microbe paper, they describe how they used a combination of siRNAs targeting viral and host genes to prevent HSV-2 transmission in mice. "One of the attractive features of the compound we developed is that it creates in the tissue a state that's resistant to infection, even if applied up to a week before sexual exposure.

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National Geographic reports that marine mammals have lost a gene that could make them more susceptible to organophosphate damage.

NPR reports on Human Cell Atlas Consortium's effort to catalog all the different cell types within the human body.

The Union of Concerned Scientists surveyed US government scientists about Trump Administration policies and more, Science reports.

In PNAS this week: history and genetic diversity of the scarlet macaw, approach for predicting human flu virus evolution, and more.