Gene expression profiling tests can help patients avoid unnecessary chemotherapy treatments, but a new study of breast cancer patients in Canada suggests that many patients have a muddled understanding of how these tests work and may be likely to put faith in the results they want to hear.

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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.