3 Questions: Community policing in the Global South

(Pictured is a police officer and commuters in downtown San Andres Island, Colombia, March 2017. Image: iStock) International research co-led by Professor Fotini Christia finds an approach lauded in the US works differently in other regions.

Characterizing social networks

(Image: Adobe Stock) MIT researchers developed a new measure to understand whether homophily occurred in group interactions. Their work can help identify when certain characteristics are important for predicting if groups will interact in the future.