Wednesday  Meeting, 7 p.m., Lawrence Public Library, 707 Vt. Jeff Jensen from Lawrence Brewers Guild will discuss the use and importance of yeast in the production of beer. Dutch-treat dinner at 5:30 p.m. at Free State Brewery, 636 Mass.

Lawrence Bicycle Club

Saturday  Muffin ride departs at 8 a.m. from Broken Arrow Park, 31st and Louisiana streets, and heads to Lone Star Lake.

Sunday  Show-n-go ride, a longer tour with varying destinations, begins at 8:30 a.m. in South Park.

Tuesday  Stop and smell the roses departs at 6 p.m. from Constant Park, Fifth and Tennessee streets.

Thursday  Vomit comet, a brisk 23-mile loop from Broken Arrow Park, 31st and Louisiana streets, to Vinland, Sibleyville and back. Ride begins at 6 p.m. Social ride also offered.

For information or suggestions about rides, contact Rex Cox at 843-7800 or rcox@sunflower.com.

Lawrence Parks and Recreation

Leisure activity brochures for Lawrence Parks and Recreation are available at all city recreation centers, the Lawrence Public Library and City Hall. To rent city park shelters or other city facilities, call 832-7920.

Douglas County Senior Services

Douglas County Senior Services, 745 Vt., offers several classes. All Douglas County residents age 55 and older may participate. Future seniors also are welcome if space allows. Call Senior Services, 842-0543, for information or to register.

Program opportunities include:

Monday  Open sewing, 9 a.m.-1 p.m.

 Pinochle, 1 p.m.-3 p.m.

 Beginning bridge, 2 p.m.-3:30 p.m.

 Caregiver Support Group, 2:15 p.m.-3:45 p.m.

 Duplicate bridge, 6:45 p.m.-9 p.m.

Tuesday  Downtown Tuesday painters, 9 a.m.-1 p.m.

 Open sewing, 9 a.m.-1 p.m.

 Open woodworking shop, 1 p.m.-5 p.m.

 Thunderbird Theater performance, 2:30 p.m. Haskell Indian Nations University students will perform “Songs of Life,” which combines traditional American Indian dance, song, drumming, sign language and storytelling with theatrical arts.

Wednesday  Open sewing, 9 a.m.-1 p.m.

 Chair exercise, 10:30 a.m.-11 a.m.

 Quilting bee, 12:30 p.m.-3:30 p.m.

Thursday  Open sewing, 9 a.m.-1 p.m.

 New Horizon saxophone group, 4 p.m.-5 p.m.

April 19 Â Massage, 9 a.m.-11 a.m. Facilitator: Marcia Michalski. Call 842-0543 for information or appointments.

 Chair exercise, 10:30 a.m.-11 a.m.

 Pinochle and pitch, 1 p.m.-3 p.m.

 Camera Club, 2 p.m.

 New Horizon clarinet group, 2:45 p.m.-3:45 p.m.

 New Horizon band, 4 p.m.-5 p.m.

Bhaktivana yoga

Monday  Advanced beginner class meets at 6:30 p.m. at the Bhaktivana Yoga Center, 1204 N. 200 Road, Baldwin. Class also offered at 9:30 a.m. Saturdays at the center.

Tuesday  Gentle yoga class meets at 9:30 a.m. and beginner class at 4 p.m. at the center. Beginner class also offered at 4 p.m. Thursdays at the center.

Wednesday  All-levels class meets at 6:30 p.m. at Ecumenical Christian Ministries, 1204 Oread Ave.

Friday  Intermediate class meets at 9 a.m. at the center.

For information, call (785) 979-1639.

Lawrence Aquahawks Swim Team

Monday through Saturday  Practice times vary according to ability and age. Contact head coach Brian Barnes at 841-8891 for more information.

Lawrence Masters Swimming Club

Monday through Saturday  Swimmers of all levels of ability and interest ages 18 and older are welcome. Morning and evening practice schedules offered. Contact Daniel Fisher, 841-5167, for information.

Chess club

Monday  Lawrence Chess Club, 7 p.m.-10 p.m., Borders, 700 N.H. For information, call Jamie Schrack at 842-8106.

Bridge

Monday  Lawrence Duplicate Bridge Club meets at 6:45 p.m. at the Lawrence Senior Center, 745 Vt. For more information, call Glenna Herd, 865-4049.

Yoga

Beginning and advanced beginning Iyengar yoga classes offered at the Yoga Center of Lawrence, 920 Mass. Cat McMahon leads 90-minute sessions at 5:45 p.m. Mondays, 10 a.m. and noon Tuesdays, 7:30 p.m. Wednesdays and 8:45 a.m. Saturdays. For more information, call 843-6923 or 830-9642.

 Intro to Yoga: A first class for those who have always wanted to try yoga taught by Margaret Carr, certified Iyengar instructor. Meets from 3:30 p.m. to 5 p.m. Saturdays for eight weeks, beginning Saturday, at Yoga Center of Lawrence. Call 830-9642 to register.

Table tennis

Thursday  The Lawrence Table Tennis Assn. meets for play and practice at 7:30 p.m. at Trinity Lutheran Church, 1245 N.H.

Triathlon Club

Lawrence Multisport Club provides education, information and other resources about individual and multisport endurance events. For more information, contact Kent McDonald at kentmcdonald@usa.net.

Kuk Sool Won

Comprehensive traditional martial art, 1410 Kasold Drive. Lunch workout noon-1 p.m. Tuesday and Thursday. Classes 5 p.m.-9 p.m. Monday-Friday. For more information, call 865-5169 or see www.sunflower.com/~kuksool.