Researchers are turning to a variety of techniques to bring back the American chestnut tree, NPR reports. The chestnut used to make up a quarter of hardwood forests on the East Coast, but it was brought low in the early 1900s by a fungus carried by imported Chinese chestnut trees.

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Cancer researcher Alan Rabson has died at 92, the New York Times reports.

As the National Guideline Clearinghouse goes dark, the ECRI Institute says it will pick up the slack.

In Genome Research this week: sequencing method examines proteins parasite uses to evade immune system, L1 insertions in cancer, and more.

The Atlantic reports on private Facebook support groups for people who receive unexpected parentage results from direct-to-consumer genetic tests.