In a look ahead at a week of Cambridge and Somerville events, there’s a “Groundhog Day” Improv Show, We Black Folk music festival, a fermentation workshop (with sauerkraut!) and more fun science, Celeste Ng and Jas Hammonds readings, ice skating and play premieres to go apiary for (such as for “Bumbled”).

Cambridge public notices for Fainwood Circle in the Mid-Cambridge Neighborhood Conservation District and Foster Place in the Half Crown-Marsh.

In a look ahead at a week of Cambridge and Somerville events, the Nightingale Vocal Ensemble performs its “Photoplay,” there’s art such as “Poems of Electronic Air,” academic talks on “The Rhetoric of Black Populism: From Malcolm X to the ‘Manosphere’” and the comedy duo Britanik takes the stage.

Cambridge public notices for Fainwood Circle in the Mid-Cambridge Neighborhood Conservation District and on boat ramp repairs for Boston Duck Boat Tours.

In a look ahead at a week of Cambridge and Somerville events, from “Underground Magic,” poetry with Tracy K. Smith and an Oompa concert to the return of the Harvard Plaza WinterFest, a farewell to ImprovBoston and examination of the darker sides of politics and social media.

Public meetings this week look at school district plans and finances and a middle-income homeownership proposal by the city’s Redevelopment Authority.

In a look ahead at a week of Cambridge and Somerville events, there are a few ways to mark MLK Day, a CultureHouse opening party, Hans Zimmer soundtracks by candlelight, parties with cyberpunk and 1970s themes, magic and aliens, a new Text and Tone Festival and the Boston Typewriter Orchestra.

In a look ahead at a week of Cambridge and Somerville events, Bim Skala Bim has a 40-year reunion, you can perform yoga to music from plant biodata, fold origami or dumplings at the MIT Museum, see a Dance/works show and take in four days of Celtic Music Festival at Club Passim.

There are more than 110 armed conflicts taking place globally right now, according to the Geneva Academy, and plenty of horror and humanity to recognize in these plaques by David Smith at the Harvard Art Museums.

Cambridge public notices about Rebelle Artisan Bagels, Half Crown-Marsh Neighborhood Conservation District Commission cases, Beantown Donuts and Mid Cambridge Neighborhood Conservation District Commission cases.