Science Seminars is a weekly list of science-related seminars sponsored by colleges, research institutes, and other organizations throughout Penn State. Science Seminars is published by the Penn State Eberly College of Science as a service to Penn State and its surrounding communities

Science Seminars

21 to 28 February 2005

MONDAY, 21 FEBRUARY

"Regulation of Donor Preference During Yeast Mating-Type Switching," Sevinc Ercan, Penn State, 11:15 a.m., 108 Tyson Building, host: Joseph Reese, Department of Biochemistry and Molecular Biology (865-3072).

"Ion Channels Conducting Metal Nutrients and Signals in Roots," Edgard Spalding, University of Wisconsin, 12:20 p.m., 106 Wartik Laboratory, host: Hong Ma, Intercollege Graduate Program in Plant Physiology (863-3892).

"Ink-Jet Printing of Polymers," Matt Dirmyer, Penn State, 2:00 p.m., 102 Chemistry Building, host: Ayusman Sen, Department of Chemistry (863-2460).

(title to be announced), Poitr Chrusciel, University of Tours (France), 3:00 p.m., 318 Osmond Laboratory, Institute for Gravitational Physics and Geometry (863-9605).

(title to be announced), Giovanni Forni, Northwestern University, 3:30 p.m., 122 Pond Laboratory, Department of Mathematics (865-7527).

"A Radical Difference in Maturation Machinery for Hydrogenases: Characterization of the Fe-Only Hydrogenase Maturation Proteins," Jon Rubach (faculty candidate), Joseph Fourier University (France), 4:00 p.m., 101 Althouse Laboratory, host: Song Tan, Department of Biochemistry and Molecular Biology (863-1851).

"Seedling Development Controlled by Genes Responsible for Sensing Light and Moving Auxin," Edgar Spalding (faculty candidate), University of Wisconsin, 4:00 p.m., Foster Auditorium in Pattee Library, host: Hong Ma, Department of Biology (865-4562).

"Vegetation Management: A 27-Year Program Including Extension, Research, and Teaching," Larry Kuhns, Penn State, 4:00 p.m., 108 Tyson Building, Department of Horticulture (863-3371).

TUESDAY, 22 FEBRUARY

"DNA-Repair-Protein yKu80 Regulates the Function of Recombination Enhancer During Yeast Mating- Type Switching," Chun Ruan, Penn State, 8:50 a.m., 101 Althouse Laboratory, Huck Institutes of the Life Sciences (865-3155).

"Semantically-Smart Disk Systems," Muthian Sivathanu, University of Wisconsin, 10:00 a.m., 333 Information Sciences and Technology Building, Department of Computer Science and Engineering (865-9505).

"Coupled-Cell Systems: Theory and Examples," Marty Golubitsky, University of Houston, 3:30 p.m., 122 Pond Laboratory, Department of Mathematics (865-7527).

"Transition-Metal-Carbide Nanocrystals: Nature's Smallest Crystals," Steve Lewis, University of Georgia, 3:30 p.m., 339 Davey Laboratory, host: Vincent Crespi, Department of Physics (863-0163).

"Cilia, Hh Signaling, and Beyond: Genetic Analysis of Mouse Central Nervous System and Limb Patterning," Aimin Liu (faculty candidate), University of Colorado, 4:00 p.m. (refreshments at 3:45 p.m.), 101 Althouse Laboratory, host: Douglas Cavener, Department of Biology (865-4562).

"Life and Death Struggle in a Propagating Ridge System: Geodetic Global Positioning System (GPS) and Geologic Observations in South Iceland," Peter La Femina, University of Miami, 4:00 p.m., 22 Deike Building, Department of Geosciences (865-2622).

"Role of Protein Disulfide Isomerase in Protein Maturation," Daniel Landfried, Penn State, 4:00 p.m., 102 Chemistry Building, host: Juliette Lecomte, Department of Chemistry (863-1153).

WEDNESDAY, 23 FEBRUARY

"Overlapping Messages as a Strategy for Vulnerability Reduction," Alexander Bolshoy, Indiana University, 12:10 p.m., 317 Mueller Laboratory, host: Masatoshi Nei, Institute of Molecular Evolutionary Genetics (863-7334).

"Strategies for Continuous Environmental Monitoring of Biowarfare Agents," Imee Arcibal, Penn State, 12:30 p.m., 102 Chemistry Building, host: Andrew Ewing, Department of Chemistry (863-4653).

"The Structural Basis for Integrin Activation, Ligand Binding, and Therapeutic Antagonism," Tsan Xiao (faculty candidate), Harvard University, 4:00 p.m., 101 Althouse Laboratory, host: Song Tan, Department of Biochemistry and Molecular Biology (863-1851).

(title to be announced), Long Chen, Penn State, 5:15 p.m., 212 Hammond Building, Department of Mathematics (865-7527).

THURSDAY, 24 FEBRUARY

"Algebraic Constructions for Sets of Partially Orthogonal Latin Squares and Projective Planes," Gary Mullen, Penn State, 11:15 a.m., 320 Whitmore Laboratory, Department of Mathematics (865-7527).

"Is an Earthquake in the Imperial Valley Imminent?" Benjamin F. Howell, Penn State, 4:00 p.m., 202 Research West Building, Department of Geosciences (865-7965).

"Novel One-, Two-, Three-, and Four-Dimensional Phases of Matter," Milton Cole, Penn State, 4:00 p.m., 117 Osmond Laboratory, Department of Physics (863-0117).

"Renormalization and Quantitative Equidistribution for Parabolic Flows," Giovanni Forni, Northwestern University, 4:00 p.m., 215 Thomas Building, Department of Mathematics (865-7527).

"Shoots and Leaves: An Evo-Devo Perspective," Neelima Sinha (faculty candidate), University of California, 4:00 p.m. (refreshments at 3:45 p.m.), 101 Althouse Laboratory, host: Hong Ma, Department of Biology (865-4562).

"Striatal Adaptations in a Model of Parkinson's Disease: They're Not What You Think!" James Surmeier, Northwestern University, 4:00 p.m., 108 Wartik Laboratory, host: Bernhard Luscher, Eberly College of Science + Department of Biology + Department of Biobehavioral Health + Huck Institutes of the Life Sciences + College of Health and Human Development + Department of Chemistry (865-5549).

"When Will the Antarctic Ozone Hole Recover?" Paul Newman, National Aeronautics and Space Administration (NASA) Goddard Space Flight Center, 4:00 p.m., 112 Walker Building, Department of Meteorology (863-8566).

FRIDAY, 25 FEBRUARY

"The Role of Science in Safeguarding American Agriculture," Sue McCombs, United States Department of Agriculture, 11:15 a.m., 118 Agricultural Sciences and Industries Building, Department of Entomology (865-1895).

"How Experienced Organic Farmers Plan Crop Rotations, and How to Explain That to Beginners," Charles Mohler, Cornell University, 12:20 p.m., 101 Agricultural Sciences and Industries Building, host: Heather Karsten, Department of Crop and Soil Sciences (863-3179).

"Wave Propagation in Patterned Materials," Pat Conforti, Penn State, 2:30 p.m., 102 Chemistry Building, host: Barbara Garrison, Department of Chemistry (863-2103).

"Noncommutative Maslov Index and Eta Forms," Charlotte Wahl, University of West Virginia, 3:30 p.m., 325 Whitmore Laboratory, Department of Mathematics (865-7527).

SATURDAY, 26 FEBRUARY

"Annual Earth and Mineral Sciences Exposition," 9:00 a.m., Deike Building Lobby, Earth and Mineral Sciences Student Council (865-6546).

"Planets, Planets, Everywhere" (Freidman Lecture), Eric Feigelson, Penn State, 11:00 a.m., 100 Thomas Building, Department of Astronomy and Astrophysics (865-0162, 865-6236, or 865-0418).

SUNDAY, 27 FEBRUARY

(none)

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Additions or cancellations will be noted on weekly Science Seminar listings on the Web.

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Science Seminars is a weekly list of science-related seminars sponsored by colleges, research institutes, and other organizations throughout Penn State. Science Seminars is published by the Penn State Eberly College of Science as a service to Penn State and its surrounding communities. Click here for additional information about Science Seminars, or for instruction on how to SUBSCRIBE or UNSUBSCRIBE.

Reporters for Science Seminars and the areas they cover are as follows: [agriculture: Kay Moore] [agronomy: Madeline Laubach and Charles Mancino] [anthropology: Alan Walker] [astrobiology: Linda Decker] [astronomy and astrophysics: Sue Tighe and Laura Sproat] [biochemistry and molecular biology: Tamara Housel] [biology: Paula Farwell] [center for gravitational physics and geometry: Karen Brewster] [center for materials physics: Barbara Itinger] [ceramic science and engineering: April Benson] [chemical engineering: Ruth Smith] [chemistry: Teresa Beck] [computer science and engineering: Nancy Clark and Karen Alise Corl] [earth and mineral sciences: Linda Spangler] [intercollege graduate program in ecology: Debra Putt] [education: Tom Dana] [energy institute: Kelly Jo Rhoades] [entomology: Thelma Brodzina] [intercollege graduate program in genetics: Paula Farwell] [life sciences consortium: Janice Kennedy] [mathematics: Flossie Dunlop] [intercollege graduate program in nutrition: Judy Jones] [physics: Amy Long] [intercollege graduate program in physiology: LuAnn Weatherholtz] [intercollege graduate program in plant physiology: Janice Kennedy] [poultry science: Ruth Nyman] [Vice President for Research: Emily Rowlands] [science, technology, and society program: Karen Snare] [statistics: Bonnie Cain] [veterinary science: Loretta Muchinsky].

NOTICE: PRESS RELEASES AVAILABLE
Press releases occasionally are written for some of the lectures sponsored by the Eberly College of Science. If you would like to receive copies of these press releases in the future, send a note to Barbara K. Kennedy at SCIENCE@PSU.EDU. Your e-mail address will be added to a distribution list.

This publication is available in alternative media on request.

Penn State is an affirmative action, equal opportunity university. Penn State encourages persons with disabilities to participate in its programs and activities. If you anticipate needing any type of accommodation or have questions about the physical access provided, please contact the office in charge of the seminar in advance of your attendance. U.Ed. SCI 05-95

This issue of SCIENCE SEMINARS was produced by Leta A. Krumrine and Kristen Devlin.