Feature

Front Matter

New Gyro Resembles Tuning Fork, Not Top

Scientists Develop New Berry Plant

Human Eye Keener than Film or Other Detectors

Teeth Can “Tune In”

Clay Particles Have Huge Surface Area

Standards Bureau Upheld

Insecticides and Crops

Jupiter Shines in East

New Anti-Ameba Drug

[Photograph]: Mercury during Transit

2,000-Year-Old Cisterns Help Reclaim Desert