Basic system hardening workshop at 9:30 a.m. in the McCook Room in the Burge Union.

The Senior Sessions lecture “What’s New” will start at 10 a.m. in the Spencer Museum of Art.

Flu immunizations will be given at the Flu Immunization Clinic at 10 a.m. in the lobby at Nichols Hall.

Ruben Flores will present the seminar “Ralph Beals and the Anthropology of Mexico: A Life Among the Yaqui” at noon in 318 Bailey Hall.

Jack Martin will speak at the Pizza and Politics event at 12:15 p.m. in the Centennial Room in the Kansas Union.

The discussion “Third Parties in Two Party America” will start at 3 p.m. in Simons Media Room in the Dole Institute of Politics.

Jonathan Quinn, Truman State University, will present the lecture “Rwandan Genocide Leading to Mobutu’s Overthrow in the Congo” at 3:30 p.m. in the Pine Room in the Kansas Union.

Robert Eye will give the talk “Coal vs. Alternatives in Western Kansas” at 3:30 p.m. in the Dole Institute of Politics.

Maki Kaneko will present the lecture “Negative Heritage of Japan: History and Historiography of Japanese Art in Wartime Period, 1937-1945” at 4 p.m. in the Malott Room in the Kansas Union.

Maria Prather will present the lecture “Retrospective at Mid-Career: Some Observations on Curatorial Practice and Contemporary Art” at 5:30 p.m. in 211 Spencer Museum of Art.

The Harlem Renaissance Book Discussion & Film Series at 6 p.m. in the Spencer Museum of Art.

Omar Tyree will present a lecture at 7 p.m. in Woodruff Auditorium in the Kansas Union.

Journalist Bill Kurtis will moderate a panel on Third Parties in Two Party America at 7:30 p.m. in Hansen Hall in the Dole Institute of Politics.

The Student Ensemble Helianthus Contemporary Ensemble will perform a concert at 7:30 p.m. in Swarthout Recital Hall in Murphy Hall.

The musical “Hairspray” will be performed at 7:30 p.m. in the Lied Center. Tickets are $20-$24.50 for students and $40-$49 for others.