This Week in PNAS

Metabolomics could be a key tool for personalized medicine, say researchers from Metabolon in the Proceedings of the National Academy of Sciences. They conducted a metabolomics analysis of plasma samples from a cohort of 80 healthy volunteers, profiling some 600 metabolites and covering 72 biochemical pathways.

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A new report highlights the potential threats posed by advances in synthetic biology, NPR reports.

A Bloomberg reporter tried to get her genetic data deleted, but found it's not so simple to do.

Johns Hopkins University's Steven Salzberg and his colleagues have come up with a new estimate for the number of human genes, Nature News reports.

In Genome Research this week: study of intra-tumor heterogeneity, workflow resources for EPIGEN-Brazil, and more.