In a look ahead at a week of Cambridge and Somerville events, there’s a free pi day pie potluck, comedy against cancer, Mobius performance art called “Slay,” Ukrainian folk-rock, a St. Patrick’s fun ...

When protests over the Israel-Hamas war took root on Columbia University’s campus last spring, Mahmoud Khalil became a familiar, outspoken figure in a student movement that soon spread to other U.S.

The Pit, a sunken brick and stone seating area in Harvard Square beloved by generations of punks, metalheads, hardcore kids ...