A program that has put ex-gang members back on to the streets of Chicago as “violence interrupters” as part of public health-inspired response to gang violence in the city is claiming promising first results.

Socio-linguistics has found a way to bring systematic understanding to research findings that are consistent across most but not all cultures and those that differ markedly between cultures. Might a similar approach be useful to prevention science as it begins to reckon with the many similarities and few variations in the factors influencing children’s mental health in different parts of the world?

A systematic review of US middle-school math tuition strategies has produced a short list of effective programs. Very short: only two make the grade and one is the work of the Johns Hopkins University Center whose research team set the bar.