Tuesday, Sept. 3
"Ergodicity of Irrational Billiards II," Giovanni Forni, University of Maryland, 3:30 p.m., 216 McAllister Building, Department of Mathematics (814-865-7527).
"Investigating Effects of Oil and Gas Development on Water Quality in the Denver-Julesburg Basin in Colorado," Joseph Ryan, University of Colorado, 4 p.m., 22 Deike Building, Department of Geosciences (814-865-2622).
Wednesday, Sept. 4
"Diet, Land Use, and The Biofuel Nexus," Tom Richard, Penn State, 10 a.m., C213 Coal Utilization Lab, Earth and Mineral Sciences Energy Institute (814-865-4575).
“Acid Test: The Global Challenge of Ocean Acidification” (video), 12:15 p.m., 105 Deike Building, Earth and Mineral Sciences Energy Institute Library (814-863-7073).
(title to be announced), Andrey Gogolev, SUNY, Binghamton, 3:35 p.m., 114 McAllister Building, Department of Mathematics (814-865-7527).
"X-ray Spectroscopy of O Supergiant Winds: Shock Physics, Clumping, and Mass-Loss Rates," David Cohen, Swarthmore College, 4 p.m., 538 Davey Laboratory, host: Leisa Townsley, Department of Astronomy & Astrophysics (814-865-0418).
Thursday, Sept. 5
“Getting Personal with Safety,” Jim Loftus, Owens Corning, 9:45 a.m., 26 Hosler Building, Materials Science and Engineering (814-865-4992).
(title to be announced), Zsolt Patakfalvi, Princeton University, 11:15 a.m., 106 McAllister Building, Department of Mathematics (814-865-7527).
"Mathematics Through Physics," Mark Levi, Penn State, 1:25 p.m., 114 McAllister Building, Department of Mathematics (814-865-7527).
”Varying Index Coefficient Models for Nonlinear Interactions,” Shujie Ma, University of California, Riverside, 4 p.m., 201 Thomas Building, Department of Statistics (814-865-1348).
Friday, Sept. 6
"A Photometric Variability Sequence Tracing the Evolution of Sun-like Stars," Fabienne Bastien, Vanderbilt University, noon, 538 Davey Laboratory, host: Jason Wright, Center for Exoplanets and Habitable Worlds (814-865-0418).
Cancellations and additions will be noted on weekly Science Seminar listings at www.science.psu.edu/science-seminars.