Cover photo: Nevada gold mine; (c) Uniphoto/Pictor (see "Hardrock Mining")		Volume 49 Number 3 Contents Fall 1999 EDUCATION & RESEARCH Exploring Jupiter's Moon IPR and Innovation Linking Tests and Learning ENGINEERING & TECHNOLOGY Reserves Going Hi-Tech Rights to Data Lessons From Y2K Broadband's Home Run HEALTH, SAFETY, & SOCIAL ISSUES Radiation and Atomic Vets Rethinking AIDS Space Station Risks Safer Smoking? Science and Diplomacy Beyond Welfare ENVIRONMENT & RESOURCES A Model Water Plan Hardrock Mining Biotech Plants Joining Forces on Water ITEMS New Projects New Publications