Hold the Arsenic

When NASA astrobiologist Felisa Wolfe-Simon released a study in December 2010 that described a bacterium that seemed to grow on arsenic and incorporate it into its DNA, researchers were at first amazed. Some, however, were skeptical, and tried to replicate Wolfe-Simon's work.

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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.