This Week in PNAS

In the early, online version of the Proceedings of the National Academy of Sciences, researchers from Genentech Oncology Biomarker Development, Yale Cancer Center, and elsewhere describe distinct contributions that PD-L1 expression in tumor- and tumor-infiltrating immune cell make to immunotherapy response in non-small cell lung cancer (NSCLC).

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A genomic analysis of modern and ancient maize reveals a complicated domestication history, according to Reuters.

In PLOS this week: MYRF variant linked to congenital diaphragmatic hernia, analysis of the "dragon's blood" red resin produced by traditional medicine plants, and more.

CNBC reports that half of academic researchers leave after about five years.

Researchers have used genetic analysis to confirm a new type of salamander, the New York Times reports.