Dr. Bernie Machen
President

Dr. Win Phillips
Vice President for Research

Board of Trustees:
Carlos Alfonso, Tampa
C. David Brown, Orlando
Courtney Cunningham, Coral Gables
Roland Daniels, Gainesville
Manny A. Fernandez, Fort Myers
Joe Goldberg, Gainesville
W.A. "Mac" McGriff III, Jacksonville
Joelen Merkel, Boca Raton
Dianna Fuller Morgan, Orlando
Cynthia O'Connell, Tallahassee
Earl W. Powell, Miami
Kim Tanzer, Gainesville
Alfred C. Warrington IV, Houston TX

Explore: Research at the University of Florida is published by the Office of Research & Graduate Programs at the University of Florida.

For more information about the research program, contact Vice President for Research Win Phillips, D.Sc., 223 Grinter Hall, Box 115500, Gainesville, FL 32611-5500 Phone: (352) 392-1582. For details about research highlighted in this issue, contact the editor or the researchers directly.

The publication of Explore is not financed by state-appropriated funds. Opinions expressed do not reflect the official views of the university. Use of trade names implies no endorsement by the University of Florida.

© 2005 University of Florida. For permission to reprint any part of this magazine, contact the Editor, Explore magazine, Box 115500, Gainesville, FL 32611-5500.
Phone: (352) 392-8229
E-mail: joekays@ufl.edu
Visit Explore on the World Wide Web
http://www.research.ufl.edu/explore

Editor:
Joseph M. Kays

Art Director:
Katherine Kinsley-Momberger

Copy Editor:
Patricia B. McGhee

Design and Illustration:
Katherine Kinsley-Momberger

Printing:
StorterChilds Printing, Gainesville

Member of the University Research Magazine Association
www.urma.org