This Week in Science

In this week's Science, a group led by University College London researchers report on a new gene therapy approach that combines optogenetics and embryonic stem cell-based regenerative medicine, and which was used to restore skeletal muscle function in injured and diseased mice. The scientists engineered ESC-derived motor neurons to express the light-sensitive ion channel known as channelrhodopsin-2 and grafted them onto the ligated sciatic nerves in the animals.

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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.