feb. 18
Osteoporosis exercise program, 6-7 p.m., three times a week for 12 weeks beginning Feb. 18, $75, UPMC Rehabilitation Hospital, 1405 Shady Ave., 412/647-8762.

Author Richard Ford, 7:30 p.m., Carnegie Music Hall, 4400 Forbes Ave., Drue Heinz Lecture Series, 412/622-8866.

Our Musical Legacy, a display in celebration of Black History Month, through Feb. 28, City-County Building Lobby, Grant Street.

Gestures, through Feb. 28, Mattress Factory, 500 Sampsonia Way, 412/231-3169.

Transformation 3: Contemporary Jewelry and Small Metals, through March 23, 2100 Smallman St., Pittsburgh Society for Contemporary Craft, 412/261-7003.

Art exhibitions, Treasure Hunt: Recent Acquisitions of Works on Paper, through June 2; and Forum: Diane Samuels—Inscription, through Feb. 24; Carnegie Museum of Art, 4400 Forbes Ave., 412/622-3288.

Garden Railroad, through Feb. 24, Phipps Conservatory and Botanical Gardens, One Schenley Drive, 412/622-6914 or www.phipps.conservatory.org.

Art exhibition, Masterworks from the Albertina: Renaissance to Rococo, through March 3, Frick Art and Historical Center, 7227 Reynolds St., 412/371-0600.

Photography exhibition, Suburban Dreams by Beth Yanelle Edwards, through Feb. 24, New Gallery, 477 Melwood Ave., 412/681-5549 or www.pghfilmmakers.org.

Art exhibitions, The Holocaust in the Painting of Valentin Lustig and Prints by Käthe Kollwitz, through March 22, University Art Gallery, 104 Frick Fine Arts Building, 412/648-2423.

H.M.S. Pinafore, through March 3, O’Reilly Theater, 621 Penn Ave., Pittsburgh Public Theater, 412/316-1600.

Art exhibition Kaleidoscape, through March 16, free, Watercolors Gallery, 901-A Penn Ave., 412/201-4003.

Art exhibition Moving Images, through March 9, free, Wood Street Galleries, 601 Wood St., Pittsburgh Cultural Trust, 412/471-5605 ext. 1.

Images of the Black Action Society, through Feb. 28, Connie M. Kimbo Gallery, William Pitt Union, Black Action Society, 412/648-7880.

La Bête by David Hirson, through March 3, Pittsburgh Playhouse Repertory Company; and Joined at the Head by Catherine Butterfield, through March 3, Playhouse Conservatory Company; Pittsburgh Playhouse of Point Park College, 222 Craft Ave., 412/621-4445.

feb. 19
Eat ‘N’ Meet, an intercultural bag lunch, noon, Medical Arts Building, Fifth Floor, may@shs.medarts.upmc.edu.

Ph.D. Dissertation Defense by Susan Moffett, Department of Human Genetics, The PPAR Pathway to Obesity and Type 2 Diabetes: A MultiLocus Approach to Understanding Complex Disease, 1 p.m., A425 Crabtree Hall, Graduate School of Public Health.

Teaching Careers Information Session 1:30-6:30 p.m., Kurtzman Room, William Pitt Union, College of General Studies, www.education.pitt.edu.

Bioterrorism Lecture Series, Barry Kellman, professor of law, DePaul University, Legal Issues of Bioterrorism Prevention, Preparedness, and Response, 3-5 p.m., Graduate School of Public Health Auditorium, 412/383-7475.

The Ernest Nagel Lectures in Philosophy of Science by Bas van Fraassen of Princeton University, The Visible and Invisible World, Feb. 19; Weyl’s Paradox and Carnap’s Lost World, Feb. 20; and Structural Realism and the Phenomena, Feb. 21; 4:30 p.m., A 14 Margaret Morrison Carnegie Hall, Carnegie Mellon University, Pitt’s Center for the Philosophy of Science, 412/624-1052.

Kuntu Repertory Theatre’s Whispers Want to Holler by Marta Ettinger, 7 p.m., free, Ferguson Theater, University of Pittsburgh at Greensburg, UPG Minority Student Coalition, 724/836-7497.

Street Scene by Kurt Weill, 8 p.m., and Feb. 22 and 24, Byham Theater, 106 Sixth St., Pittsburgh Opera, 412/456-6666 or www.pghopera.org.

feb. 20
Volunteer orientation for computer teaching opportunities, noon-1p.m., brown bag lunch, Pitt Volunteer Pool, 412/624-7709.

Roundtable Discussion, State and Society in the Cities of Russia, 3-5 p.m., 5D-56 Posvar Hall, Center for Russian and East European Studies and Graduate School of Public and International Affairs.

Lecture by Marianne Woods of the Pennsylvania Humanities Council, A Significant Past: Photographs of African Americans in Crawford County, 1800-1950, 7:30 p.m., Haskell Auditorium, University of Pittsburgh at Titusville, 814/827-4455.

The Serpent by Jean-Claude van Itallie, through March 3, Henry Heymann Theatre, Pitt Repertory Theatre, 412/624-0933.

Aida by Elton John and Tim Rice, through March 10, Heinz Hall, Mellon Pittsburgh Broadway Series, 412/392-3300.

Regina Carter Quintet and the Stefon Harris Quintet, through Feb. 24, Manchester Craftsmen’s Guild Jazz, 1815 Metropolitan St., 412/322-0800 or www.mcgjazz.org.

feb. 21
Coping with Stress, by Donna M. Posluszny, assistant professor in Pitt’s Department of Medicine, noon-1 p.m., Kurtzman Room, William Pitt Union, 412/648-8251.

Ph.D. Dissertation Defense by Srividya Subramanian of Pitt’s School of Pharmacy, The Role of the Sympathetic Nervous System in the Hypothermic Effect of Penfluramine, noon, 456 Salk Hall.

Poetry Reading by Jackie Kay, 8:15 p.m. (For details, see page 2.)

feb. 22
Opening Reception for Student Art Exhibition, 11:30 a.m.-1 p.m., Hanley Library Gallery, University of Pittsburgh at Bradford, exhibition continues through March 22, 814/362-7590.

Colloquium Lecture Series, Christopher A. Schob, M.A. degree candidate in Pitt’s Department of East Asian Languages and Literatures, Cracks in the Foundation? China’s Regional Economies, noon, 1401 Cathedral of Learning.

Iranian Cinema, Delbaran, 7:30 p.m., and 5 p.m. Feb. 24, Carnegie Museum of Art, 412/622-3212.

feb. 23
Presentation on managing diabetes, State-of-the-Heart-in-Diabetes, free, 10 a.m.-noon, Biomedical Science Tower, UPMC Health System Alive and Well Series, registration at 412/647-8762.

Belgium Film Series, Piéces d’identités, 7:30 p.m., and 7:30 p.m. Feb. 24, Carnegie Museum of Art, 4400 Forbes Ave., 412/622-3212.

Baroque Opposites: Bach & Telemann, 8 p.m., Synod Hall, Craig Street, Oakland, Renaissance Baroque Society, 412/682-7262 or www.rbsp.org.

Virginia Glee Club, 8 p.m., Shadyside Presbyterian Church, corner of Amberson Avenue and Westminster Place, Music in a Great Space Series, 412/682-4300.

feb. 26
Spring Colloquium, A Year at the Getty: Destination Architecture, Meyer Schapiro, After the Bath with Degas, Contemporaneity, and Contemporary Art by Andrew W. Mellon Professor Terry Smith, noon, Room 203, Frick Fine Arts Building, Department of the History of Art and Architecture, 412/648-2421.

Lecture by Sheela Prasad, associate professor, Center for Regional Studies, University of Hyderabad (India), What Happened to ‘Health for All by 2000 A.D.’? A Critique of Reforms in the Health Sector in India, noon, 4E51 Posvar Hall, Asian Studies Program.

Lunchtime Talk by Mathias Frisch, Northwestern University, Classical Electrodynamics and the Role of Consistency in Scientific Theorizing, 12:05 p.m., 817R Cathedral of Learning, Center for the Philosophy of Science 412/624-1052.

Sista Souljah, 8 p.m., David Lawrence Auditorium, Black Action Society, 412/648-7880.

Essayist Rick Bass, The Ninemile Wolves, Oil Notes, Winter: Essays from Montana, 8:15 p.m., free, Frick Fine Arts Building, Pittsburgh Contemporary Writers Series, 412/624-6506.

Radio Days, through March 10, various western Pennsylvania locations, River City Brass Band, 412/322-7222 or www.rcbb.com.

Fuddy Meers by David Lindsay-Abaire, through March 24, City Theatre, 1300 Bingham St., 412/431-2489 or theatre@citytheatrecompany.org.

feb. 27
Eat ‘N’ Meet, an intercultural bag lunch, noon, Medical Arts Building, Fifth Floor, may@shs.medarts.upmc.edu.

Lecture by Barbara McCloskey, associate professor, Department of the History of Art and Architecture, The Prints of Käthe Kollwitz: Reflections on Grief, noon, University Art Gallery, Frick Fine Arts Building, 412/648-2423.

Volunteer orientation for work with Big Brothers & Big Sisters, noon-1p.m., brown bag lunch, Pitt Volunteer Pool, 412/624-7709.

Health Policy & Management Lecture Series, Raymond Grady, president of American Hospital Association’s Commission on Workforce for Hospitals and Health Systems, Management and Policy Aspects of the Healthcare Workforce, 4-5:30 p.m., Graduate School of Public Health Auditorium, Health Policy Institute, 412/624-3608 or www.pitt.edu/~hip.

Lecture by Christina Root, chair, Department of English, Saint Michael’s College, Colchester, Vt., Visions of Nature as a Dynamic Process: Thoreau’s Spring and Keats’ Fall, 7 p.m., free, Village Hall Pitt-Greensburg, 724/836-7497.