The Genetic Genealogist reports that two different people have performed comparative studies of 23andMe and DeCodeMe's services, finding that they both offer very low error rates and are highly reproducible.

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While gene therapies may have high price tags, they could be cheaper than the cost of managing disease, according to MIT's Technology Review.

Researchers are looking for markers that indicate which cancer patients may respond to immunotherapies, the Associated Press writes.

In Nature this week: paternal age associated with de novo mutations in children, and more.

Nature News writes that researchers are still wrangling over the role of the p-value.