Cover photo: Paurotis Pond in the Florida Everglades; (c) Linda Bartlett/Folio Inc. (see "Restoring the Everglades")		Volume 50 Number 1 Contents Winter 2000 EDUCATION & RESEARCH Choosing the Right Tools Testing the Tests Science in Court ENGINEERING & TECHNOLOGY Space Station Research Revolutionary Materials Idaho's Rad Waste HEALTH, SAFETY, & SOCIAL ISSUES Clearing the Air Extending Medicare Stateside Smokeout Radiation Study Fallout Detecting Breast Cancer To Err Is Human ENVIRONMENT & RESOURCES Restoring the Everglades The Warming Earth Our Common Journey ITEMS New Projects New Publications