In Nucleic Acids Research this week, researchers from Germany and Lithuania describe microRNAs present in peripheral blood samples from more than 150 healthy participants. Using deep sequencing, fluorescence activated cell sorting, and magnetic activated cell sorting, the team tracked miRNA expression in seven peripheral blood cell types — from the myeloid and lymphoid cell lineages — in nearly 300 samples obtained from 162 healthy individuals.

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Consulting company McKinsey says diagnostics companies will have to combine genomic data analysis, electronic medical records, effective reimbursement strategies, and regulatory compliance in order to win.

A new report has found that researchers in Africa are still heavily dependent on funding from organizations in the US, Europe, and China, Nature News says.

An article in The Atlantic argues that the progress being made in science isn't keeping pace with the money and time being spent on research.

In Science this week: a CRISPR screen identifies sideroflexin 1 as a requisite component of one-carbon metabolism, and more.