Researchers at Penn State have created a new smartphone app called "TimeTree," an interactive interface that tracks the evolution of genes throughout Earth's history. The comparative biology application draws on the vast amounts of data on the Internet about the diverse genes of Earth's organisms, allowing users to see how long ago two species may have shared a common ancestor, the researchers say in a press release.

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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.