In a look ahead at a week of Cambridge and Somerville events, Valentine’s Day comes out swinging with an R&B concert and cypher, The Hasty Pudding Theatricals premieres its 174th show, there’s cabaret and drag, readings of novels and poetry, an Après Cambridge outdoor party and much more.

Two similar efforts to limit where labs can go in the city will be combined for discussion in committees, taking a citizen zoning petition off an expiring timetable.

In a look ahead at a week of Cambridge and Somerville events, an MLK tradition in East Cambridge adds Coretta Scott King to the mix, an MIT event examines some scary stuff, the Boston Celtic Music Fest returns for its 20th year and much, much more.

Public meetings this week look at a small proposed rezoning in North Cambridge; an idea about limiting lab locations; Garden Street traffic changes; and an analysis of MBTA plans to extend silver line commuter rail service to Everett and surrounding communities.

A citizen zoning petition that would promote housing by limiting where labs can go in the city was rejected by the Planning Board, called too broad and confusingly written to be improved for reconsideration before expiring.

Public meetings this week look at Garden Street traffic changes and the city’s tree canopy; zoning for climate resilience, limits on labs and a two-block rezoning in North Cambridge; and bilingual staff, gender-inclusive forms and improvements in vocational education.

In a look ahead at a week of Cambridge and Somerville events there’s the “Solstice: Reflections on Winter Light” light show at Mount Auburn Cemetery and Midwinter Revels “Solstice Celebration,” as well as one-to-one opera performances, readings and poetry, comedy and weird cinema, history and a protest art performance in Harvard Square.

When Harvard professors Michael E. Porter and Mark Kramer published a 2011 Harvard Business Review article on “Creating Shared Value,” they probably never imagined it would be local teens championing the cause.

In a look ahead at a week of Cambridge and Somerville events, there’s a book on the “Birth of Rock ’n’ Roll” as well as more music to hear, a Poetry Brothel as well as more basic readings, nature walks and museums, labor history and “Lovefool” and holiday happenings from shopping strolls to drag shows.

Prince William and Kate Middleton, the Princess of Wales, are in town for the 2022 Earthshot awards in Boston, but their itinerary brings them to Somerville’s Greentown Labs on Thursday and Harvard in Cambridge on Friday.