This Week in Science

In Science this week, an international team of researchers report new data showing that 3' transductions mediated by long interspersed nuclear element–1 (L1) retrotransposons — mobile repetitive elements found throughout the human genome — are present in many cancer genomes. Looking at the cancer genomes of 244 patients, the scientists discovered that tumors from 53 percent of the patients had somatic retrotranspositions, of which 24 percent were 3' transductions.

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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.