This Week in PNAS

This week in PNAS, Harvard systems biologists used fine-needle aspirates to detect and profile cancer cells. The diagnostic magnetic resonance sensor, which combines a miniature NMR probe with targeted magnetic nanoparticles, "measures the transverse relaxation rate of water molecules in biological samples in which target cells of interest are labeled with magnetic nanoparticles," they say in the abstract.

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Sometimes genetic tests give inconclusive results and provide little reassurance to patients, the Associated Press reports.

Vox wonders whether gene-editing crops will be viewed similarly as genetically modified organisms of if people will give them a try.

In Science this week: research regulation and reporting requirement reform, and more.

With H3Africa, Charles Rotimi has been working to bolster the representation of African participants and African researchers in genomics, Newsweek reports.