? “”Craquelure in Masterpieces of the Louvre as Analogue Models for Development of Joints in Fractured Reservoirs.”” Terry Engelder will give a presentation on the cracks in old paintings. 1-1:50 p.m. César E. Chávez building, Room 111

? Living healthy with arthritis lecture series. This lecture will be on “”Keeping Your Back in Action.”” 6-7:30 p.m. Arizona Health Sciences Center, Chase Bank Auditorium, Room 8403, 1501 N. Campbell Ave.

? Opening reception for Centeotzintli: Sacred maiz exhibit. Nahuatl elder Maestra AngelberthaCobb will speak about Nahuatl culture and philosophy. Noon to 1 p.m. Nugent building, Room 210

? Doctoral oral defense – language, reading and culture. Augustine F. Romero will give her defense, “”Towards a Critically Compassionate Intellectualism Model of Transformative Education.”” 2 p.m. Education building, Room 208

? Group for early modern studies lecture series: science panel. Several speakers will talk about the history of science. 4-5:30 p.m. University of Arizona Museum of Art, Retablo Room