US President Barack Obama's science report card is in, and it would appear that the chief executive of the US is something less than a straight-A student.

The Scientist recently surveyed experts from both sides of the political spectrum to get their views on how the president has done in five areas — health, environment, energy, science education, and space — since taking office.

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Researchers suggest that genetic variations could influence the side effects people experience when using synthetic cannabinoids, the International Business Times reports.

An analysis has examined the makeup of researchers on Twitter and what they share, Nature News reports.

At Stat News, Jim Kozubek argues that the Broad Institute is pushing the boundary of what a nonprofit is.

In PNAS this week: gut microbes may affect honeybee weight, phenotype and gene expression changes in DiGeorge syndrome, and more.