An imported blight swept through American chestnut trees in the early 1900s, decimating the population. But with the help of genomic engineering, researchers are hoping to bring the towering tree back, NPR's Salt blog reports.

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Microsoft co-founder Paul Allen also contributed to brain research, NPR reports.

The New York Times reports on the shifting interpretations of what some genetic variants mean over time.

In Cell this week: investigation of metastatic tumor evolution, more than 16,000 genetic variants introduced into the budding yeast model organism, and more.

MIT's Technology Review reports on Genentech's pursuit of personalized cancer vaccines.