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Sending humans to Mars is hard. Bringing them back safely is even harder. Doing so while also having them perform cutting-edge science and exploration during the mission? A major challenge. Luckily, we can plan and test parts of our future Mars missions before we leave the ground. In this session, we discuss the design and completion of two analog (Earth-based, Mars simulation) missions: Project MADMEN and Pale Red Dot. Come experience life on Mars as we traverse rocky terrain for geology and astrobiology experiments, test different cooking methods to make Martian meals, and navigate emergencies in space. Ever wanted to be an astronaut? This is your chance to experience life on “Mars”!

In recent years there has been increased interest expressed by the public in providing legal opportunities for dogs to be off leash in certain city parks and public open spaces.

The City of Cambridge’s Shade Is Social Justice program will provide cooling and use the power of design to prompt imagination, community-building, and action to help the community adapt to global warming.

Cambridge voters can vote early in person at any Cambridge Early Voting Location!

The City of Cambridge wants to make sure everyone—residents, families, pet owners, and businesses—stays safe, cool, and prepared during extreme heat. Here is a guide to locate places to cool off this heat wave and summer!

Harvard Book Store and the Cambridge Public Library welcome Ben Wikler—political organizer and strategist who served as the chair of the Democratic Party of Wisconsin from July 2019 to July 2025—for a discussion of his new book, This Is The Plan: How to End America's Meltdown and Save Democracy. He will be joined in conversation by Danielle Allen—James Bryant Conant University Professor at Harvard University, acclaimed author of Our Declaration, and the forthcoming book Radical Duke, releasing June 2026. Registration is required.

November is International Games Month. Drop-in to play board and card games with neighbors, friends and family. Recommended for children ages 5 and up and their caregivers.

Looking for some basic computer or mobile device guidance? Want help using an online resource? Drop in tech help at Valente can assist you with signing up for low-cost home internet, setting up your computer or mobile device, making an email account, navigating websites or databases, and other basic technology assistance. If you would like assistance with a device, please bring the device, all cords, and any account information. Library staff cannot be held responsible for damage to patron-owned equipment. If you have questions, please send them to: kmcquown@cambridgema.gov

Looking for some basic computer or mobile device guidance? Want help using an online resource? Drop in tech help at Valente can assist you with signing up for low-cost home internet, setting up your computer or mobile device, making an email account, navigating websites or databases, and other basic technology assistance. If you would like assistance with a device, please bring the device, all cords, and any account information. Library staff cannot be held responsible for damage to patron-owned equipment. If you have questions, please send them to: kmcquown@cambridgema.gov

Looking for some basic computer or mobile device guidance? Want help using an online resource? Drop in tech help at Valente can assist you with signing up for low-cost home internet, setting up your computer or mobile device, making an email account, navigating websites or databases, and other basic technology assistance. If you would like assistance with a device, please bring the device, all cords, and any account information. Library staff cannot be held responsible for damage to patron-owned equipment. If you have questions, please send them to: kmcquown@cambridgema.gov