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Expect road closures and traffic impacts on April 2. Harvard Bridge will close from 6 a.m. to 11 a.m. and Memorial Drive will close between Vassar Street and Binney Street from 1:15 p.m. to 5:30 p.m.

In Massachusetts, the “Omicron surge” peaked in early January, a few weeks earlier than had been predicted. Based on wastewater samples collected from Cambridge, Boston, and surrounding communities, the peak of Omicron infections occurred on January 5.

Design Your Own Space Mission Patch! Young space enthusiasts are invited to imagine and create their own space mission patch, just like real astronauts! Using circular templates, markers, and space-themed stickers, children will dream up their own space missions: Will they fly to Mars? Visit a distant galaxy? Search for alien life? Each child will choose a mission goal, name their spacecraft, and design a patch that tells the story of their adventure. As they draw, children will hear inspiring stories about real-life women astronauts, encouraging early interest in space careers and diverse role models in STEM. Finished patches will be displayed during the event to celebrate their creativity and curiosity. Recommended for children in grades K-5. This special activity is part of Massachusetts STEM Week 2025 and is organized by The Space Consortium, the local space education and outreach nonprofit behind Massachusetts Space Week (April 20-26 2026).

Join us for a relaxed Saturday morning concert with Radius Ensemble! The concert, geared toward preschool children but appropriate for all ages, includes string quartets from around the globe, as well as a show-and-tell of the instruments of the string family. From Mozart to Scott Joplin, repertoire spans centuries and traverses continents, exposing children to a variety of musical traditions. Kids are welcome to snuggle, dance, sing, walk around and just be kids. For the final piece of this 45 minute program, we invite children to play along on hand percussion instruments (provided by the Ensemble) such as tambourines and claves, and each child receives a free colorful shaker to take home. Recommended for children ages 3 to 5 years with caregiver. This program can accommodate 130 people. Tickets are available on a first come, first served basis on the day of the program. The entire party must be present to receive a ticket. This program starts promptly, and any unclaimed seats will be offered to someone waiting. We appreciate your patience and understanding. Please call 617-349-4038 for more information.

Our Magic Tree House book group for kids ages 5-10 meets the first Friday of the month. Pick up a copy of the book beforehand. Our November book is Magic Tree House #3, "Mummies in the Morning." This event is onsite at O'Connell, with the option to attend virtually. A Zoom link will be sent to all registered participants 1 hour before the event. Need a laptop or hotspot to participate? Call the O'Connell Branch at 617-349-4019. For questions about the Magic Tree House book club, please email cmeisler@cambridgema.gov.

Our Magic Tree House book group for kids ages 5-10 meets the first Friday of the month. Pick up a copy of the book beforehand. Our September book is Magic Tree House #1, "Dinosaurs Before Dark." This event is onsite at O'Connell, with the option to attend virtually. A Zoom link will be sent to all registered participants 1 hour before the event. Need a laptop or hotspot to participate? Call the O'Connell Branch at 617-349-4019. For questions about the Magic Tree House book club, please email cmeisler@cambridgema.gov.

Our Magic Tree House book group for kids ages 5-10 meets the first Friday of the month. Pick up a copy of the book beforehand. Our December book is Magic Tree House #4, "Pirates Past Noon." This event is onsite at O'Connell, with the option to attend virtually. A Zoom link will be sent to all registered participants 1 hour before the event. Need a laptop or hotspot to participate? Call the O'Connell Branch at 617-349-4019. For questions about the Magic Tree House book club, please email cmeisler@cambridgema.gov.

Our Magic Tree House book group for kids ages 5-10 meets the first Friday of the month. Pick up a copy of the book beforehand. Our October book is Magic Tree House #2, "The Knight at Dawn." This event is onsite at O'Connell, with the option to attend virtually. A Zoom link will be sent to all registered participants 1 hour before the event. Need a laptop or hotspot to participate? Call the O'Connell Branch at 617-349-4019. For questions about the Magic Tree House book club, please email cmeisler@cambridgema.gov.

Find your next great read! In this program, we will be sampling books from our Central Square adult collection! Spend 5 minutes with each title before rotating to the next. Snacks will be provided. Registration helpful but not required.

Find your next great read! In this program, we will be sampling books from our Central Square adult collection. Spend 5 minutes with each title before rotating to the next. Snacks will be provided. Registration helpful but not required.