• Doctoral oral defense. Christine Romo will discuss mediated representations of Latinos and the U.S.-Mexico border in the media. 9 a.m. Education building, Room 312
  • Earth Day celebration. Get messy and down-to-earth with some hands-on activities in honor of Earth Day, which is tomorrow. 10 a.m. UA Mall
  • Microbiology and immunology departmental seminar series. Dr. Lenny Shultz will discuss humanized SCID mouse models for biomedical research. 11 a.m. Arizona Health Sciences Center, Room 8403
  • Sociology brown bag lecture series. Tamara Kay, from the Center for U.S.-Mexican Studies at UC-San Diego, will present “”Legal Transnationalism: The Emergence of a Labor Rights Regime Under NAFTA.”” Noon. Social Sciences building, Room 415
  • Job workshop. Information about summer experiences, jobs and internships will be available. No signup required. 11 a.m. Student Union Memorial Center, Career Services, Suite 411
  • Musical moments at the bookstore. Bring your lunch and enjoy a saxophone quartet led by Elizabeth Bunt. Noon. SUMC, UofA Bookstore
  • Mathematics lecture. Constance Schober from the Department of Mathematics at the University of Central Florida, will discuss the formation of rogue waves in NLS models: modeling and phase singularities. 4 p.m. Math building, Room 501
  • Biochemistry and molecular biology seminar. Dr. William Dowhan from the University of Texas-Houston Medical School will discuss lipids as determinants of membrane protein folding and topological organization. 4 p.m. to 5 p.m. BioSciences West building, Room 208
  • Architecture lecture by Pablo Allard, an architect from Santiago, Chile. 4:30 p.m. Aerospace and Mechanical Engineering building, Room 202