9 a.m.-3 p.m., Westminster Hall, 519 W. Fayette St., arhu.umd.edu/thinkathon, free.
Put your brain and your creative energy to good use at this event, now in its fourth year. Organizers are looking for scholars, activists, and artists to create solutions to move our beloved city forward. They ask: can art and culture save a city? We say yes, of course.