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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Gene drives might run into biological resistance, the Economist reports.

Forensic experts exhumed painter Salvador Dalí's body to collect DNA for a paternity test, CBS News reports.

Yale Environment 360 writes that synthetic and conservation biologists aren't always on the same wavelength, but they are trying to reach an understanding.

In Science this week: full CRISPR locus integration complex structure, and more.