* Couples Glass-Blowing: Orbix Hot Glass, 3869 County Road 275, Fort Payne, Ala., Valentine event for couples, $35 to make glass ornament, $65 to make heart paperweights, reservations not required; call 256-523-3188 for directions, do not rely on GPS, say organizers.
* Memorial Mobile Health Coach: North Georgia Healthcare Center, Ringgold, Ga., 10 a.m. to 3 p.m., mammogram screenings for women age 40 or over, with or without insurance; those with insurance should bring cards and photo ID. To schedule a mammogram, call 495-4040.
* Tree Care Workshop: Outdoor Chattanooga, 200 River St. in Coolidge Park, 1 p.m., free, arborists Jon Nessle and Preston Roberts teach basic tree identification and hands-on pruning demonstration. 643-6888.
* Engineers Club: Doubletree Hotel, 407 Chestnut, noon, Dr. Richard Manning and Jeff Wormsley speak on the use of magnetic and smart cards for information storage and equipment control.
* UTC Women's Studies Lecture: UTC University Center, Raccoon Mountain Room, 5:30 p.m., free, Dr. Talia Welsh speaks on "Punishing Parents for Bad Health Habits."
* Hamilton County Republican Women: Country Place Restaurant, 7320 Shallowford Road, 11:30 a.m., program by Kyle Holden on annexation, visitors welcome.
* NAACP Meeting: Glenwood Recreation Center, 2610 East Third St., 6 p.m., Dr. Jean Howard-Hill will discuss redistricting and 2012 elections, followed by discussion. 697-1284.
* Phi Beta Kappa Society: Patten House, corner of Oak and Palmetto streets on UTC campus, 6 p.m., Chattanooga Association hears Dr. Paul Gaston, trustees professor at Kent State University, speak on the Bologna Process, a reform effort among European universities, and its implications for American higher education. 425-4635.
* UTC Women's Studies Lecture: UTC University Center, Raccoon Mountain Room, 5:30 p.m., free, Dr. Lisa Guenther speaks on "Solitary Confinement: A Phenomenological Critique."
* ACT-SO Information Session: Center for Creative Arts, 1301 Dallas Road, 10-11:30 a.m., question-and-answer presentation for black high school students participating in Academic Cultural Technological Scientific Olympics sponsored by NAACP. 400-1040.
* Battlefield Talk: Chickamauga & Chattanooga National Military Park, meet at the Alabama monument, located off Battleline Road, 1 p.m., free, park ranger leads one-hour program on the Confederacy's first days and Jefferson Davis's visit to the battlefield in 1863. 706-866-9241.
* Climbing Clinic: Tennessee Bouldering Authority, 3801 St. Elmo Ave., 12:15 p.m., free climbing clinic for ages 6-12 taught by Kasia Pietras. 822-6800.
* Digital Illustration Workshop: AVA, 9 a.m. to noon, $30 AVA members, $75 nonmembers, Tara Harris leads workshop on digital drawing tablets. Class limited to nine, meets weekly for four weeks. 265-4282, ext. 103.
* PopTots: Creative Discovery Museum, 321 Chestnut St., 2 p.m., free with regular museum admission, CSO Wind Quintet performs 30-minute show followed by 30 minutes of hands-on music exploration when children can play rhythm instruments.
* Volunteer Orientation and Fair: Outdoor Chattanooga, 200 River St., noon to 4 p.m., first volunteer orientation and appreciation fair. 643-6889.