Stop by the third annual Maplefest, featuring tours of the campus sugar bush, workshops on syrup making, and the opportunity to chat with experts on forestry and the syrup-making process. Campus-made syrup will be available in many different forms for tasting. Free. West Campus Barn, 250 West Campus Drive, Orange. 2-6 p.m.
Enjoy Taps at Yale, the university’s only all-tap dance group, peforming its Spring showcase. The company will dance to classic British hits, as well as to jazz, R&B, EDM, disco, and pop songs. Free. Stiles-Morse Crescent Theater, 304 York St. 6 p.m. & 9 p.m.
Visit the exhibit at the Irving S. Gilmore Music Library that features an array of rare and unusual items from the library’s collections, including an arrangement written by Mary Lou Williams and a document in Duke Ellington’s hand. Exhibit continues through July 30. Free. 120 High St. 8:30 a.m.-4:45 p.m.
View a screening of the film that was inspired by director Paul Dalio’s struggle to overcome bipolar disorder. Part of the Neuroscience 2018 conference “Envisioning a Future of Recovery.” Free. Mary S. Harkness Memorial Auditorium, 333 Cedar St. 8:30 a.m.-2:15 p.m.
Take part in a global event that brings together people across racial, economic, religious, and geo-political boundaries for the purpose of health and healing through tai chi and qigong. The event will feature tai chi demonstrations by local tai chi schools and instructors, tai chi and qigong workshops, and a raffle for prizes. Free. Luce Hall, 34 Hillhouse Ave. 10 a.m.-2 p.m.
Explore the Yale Herbarium, an internationally recognized repository of approximately 350,000 specimens from around the world. The collection is particularly rich in ferns, bryophytes, grasses, and historically important materials from early botanical collectors. Exhibit continues through Oct. 1. Free. Kline Biology Tower, 219 Prospect St. 1-11 p.m.
Follow organist David von Behren in a performance that starts at one venue and ends at another. Some walking will be required. Free. United Church on the Green, 270 Temple St. and Trinity Church on the Green, 230 Temple St. 2 p.m.