SPACE EXPLORATION IS SUBJECT OF SPANIER CALL-IN University Park, Pa. -- Penn State's first faculty member to fly aboard the shuttle will join President Graham Spanier to discuss the future of space exploration on the next edition of "To the Best of My Knowledge," airing Monday, April 6, at 7 p.m. on public radio station WPSU-FM (90.1, 91.5 & 106.7). According to NASA, the research of Assistant Professor James Pawelczyk and others into the physiological response to weightlessness is crucial if people are ever to venture to distant worlds. Dr. Pawelczyk, one of two primary payload specialists on the space agency's shuttle mission, will also discuss how the results of this research may prove useful to those who are earthbound. The 17-day mission aboard the space shuttle Columbia is currently scheduled for lift-off on April 16. Listeners with questions or comments about America's future in space are encouraged to join Dr. Spanier and his guest by calling 1-800-543-8242 during the one-hour broadcast. Internet users worldwide will be able to link to sound and pictures from the program at www.psu.edu/ur/tech/tech.html; and they will be able to contact the President during the program via e-mail sent to response@psu.edu. "To the Best of My Knowledge" is a series designed to explore topics of local and national concern and to allow listeners a chance to communicate directly with Penn State's President.