SciWo has a blog post responding to a reader's question about whether it's worth pursuing a PhD for someone who already has a master's in science. The argument for staying put, SciWo says, is that the reader is currently happy: "You've found a sweet gig where you can see yourself staying.

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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.