Through a study of more than 400 pairs of gay brothers, researchers led by Northwestern University's Michael Bailey identified two regions of the genome that appear to be associated with sexual orientation in men.
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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.