Panel Discussion. “Critical Mass: How the Higgs Boson Discovery Swept the World.” 6-8 p.m., Logan Center, Performance Hall 074, 915 E. 60th St., free. R.S.V.P. requested.
Cinema/Counter Media: Our Bodies Your Selves. 5 p.m., Cobb Lecture Hall, Room 307, 5811 S. Ellis Ave., 773-702-8596. Four recent works that perform gender and resistance, curated by film and video maker Jason Livingston.
Discussion. “Shadow of Roe: Feminist Debates on Sex and Genetic-Selective Abortion.” 4:30-5:30 p.m., Social Science Research, Room 122, 1126 E. 59th St. Moderated by U. of C. law and ethics professor Martha Nussbaum.
Lecture. “The Buddhas of Mes Aynak.” 4:30 p.m., Swift Hall, Room 106, 1025 E. 58th St., 773-702-8637. Bernt Huffman, of the Medill School of Journalism, presents. Those needing assistance should call in advance.
Gentle Yoga. 4-5 p.m., Rockefeller Memorial Chapel, 5850 S. Woodlawn Ave., 773-702-2100, free.
String Techniques Workshop. 3-5 p.m., Fulton Hall, 5845 S. Ellis Ave., 773-702-8484, free. The Spektral Quartet leads a workshop for string players.
Not Just Another Pretty Face Salon. 6-8 p.m., Hyde Park Art Center, 5020 S. Cornell Ave., 773-324-5520, hydeparkart.org. A presentation for those wanting to learn more about becoming a patron of the arts. R.S.V.P. by e-mailing Alex Myagkova, amyagkova@hydeparkart.org, or calling her at 773-324-5520, ext. 1016.
Performance. African American History Makers. 10:30 a.m.-12:30 p.m., DuSable Museum of African American History, 740 E. 56th St., 773-947-0600, dusablemuseum.org. An interactive journey through African American history for students grades 3 through 8.