Medical research would be much harder without animal subjects, and researchers are increasingly using animals either injected with human cells or with human tissue grafts to get a more accurate understanding of how a compound or drug works in people. A leading panel of scientists and ethicists has released a report calling for more scrutiny, regulation, and legal boundaries on this type of research, says the Guardian's Alok Jha.

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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.