This Week in Science

In Science Translational Medicine this week, a team from Northwestern University reports on the use of a novel nanoparticles to deliver therapeutic RNAi agents into brain tumors in mice. Called spherical nucleic acids, the nanoparticles are essentially gold cores surrounded by a dense shell of highly oriented DNA or RNA. In the study, the researchers were able to use SNAs to carry siRNAs against a key oncogene into tumors in mouse models, where they knocked down their target and killed off cancer cells.

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Berkeley researchers have engineered yeast to make the molecule behind the hoppy taste of beer, Quartz reports.

King's College London researchers examine the influence of school type and genetics on academic achievement.

FiveThirtyEight writes that most who take a direct-to-consumer BRCA1/2 genetic test won't learn much from it.

In Science this week: early life experience influence somatic variation in the genome, and more.