This Week in PNAS

In the early, online edition of the Proceedings of the National Academy of Sciences, Uppsala University's Ulf Gyllensten and colleagues describe genetic variants that appear to affect peptide levels in the human blood proteome. The team assessed SNP patterns in more than 1,000 Swedish individuals, while using mass spectrometry to characterize and quantify peptides in their blood.

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Vivek Murthy is no longer the surgeon general of the US, the Associated Press reports.

People around the globe took to the streets to support science — some with signs.

Parents who learn of their increased genetic risk of disease also contend with telling their children about theirs, the New York Times writes.

In PLOS this week: loci linked to body mass index measurements, long non-coding RNA expression and urothelial carcinoma prognosis, and more.