NEWS AND ANALYSIS
In Focus
- NASA's Budget Squeeze
- Birds and Dinosaurs: Which Came First?
- Modelling Digital Societies
- Dark Sponges Gather Light
- Quasars Bare Their Secrets
- An Insider's Perspective on Moose
- U.S. Deaths from Pneumonia
- In Brief
- It's a Helicopter! It's a Plane!
- Gene Engineering Yields Natural Synthetics
- Slow Going for Speech Recognition
- Beating Bacteria
- New Tricks for Buckyballs
- Ecologist Patricia D. Moehlman
WORKING KNOWLEDGE
- Arthroscopic Surgery
THE AMATEUR SCIENTIST
- Hale-Bopp: Picture Perfect Comet
REVIEWS
- Cheap Material
- Heaven on Earth
- Briefly Noted
COMMENTARIES
- Connections: Waving the Flag
- Wonders: Evolving Technology
ARTICLESForum: The Benefits and Ethics of Animal Research
- Animal Research Forum
- Animal Research Is Wasteful and Misleading
- Animal Research Is Vital to Medicine
- Trends in Animal Research
- Satellite Radar Interferometry
- The Lesser Known Edison
FROM THE EDITORS
- 50, 100 and 150 Years Ago
- Letters to the Editors