In this story, the Wall Street Journal poses (and attempts to answer) this question: Which genetic tests are worth taking? The article notes that while "critics argue that many tests can't accurately identify which people are at risk for various illnesses," proponents say that well-established tests allow patients to take action for particular susceptibilities.

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Researchers hope to tease out the signature effects that different carcinogens leave on the genome to determine their contributions to disease, Mosaic reports.

The Wall Street Journal looks into the cost of new gene therapies.

An Imperial College London-led team reports that it was able to use a gene drive to control a population of lab mosquitos.

In PNAS this week: genomic effects of silver fox domestication, limited effect of mitochondrial mutations on aging in fruit flies, and more.