Feature

Device Turns off Radio When Speaking Begins

Jaundice Danger Averted

Zirconium Is Wanted

Lamp Promises Safer Flying and Better TV

Dane Heads McDonald

Seasickness Remedy Good for Ear Trouble

Mountains under Sea

Largest Meteor Crater

[Photograph]: Typhoon

Last Glacier Melted Only 11,000 Years Ago

TB Remedy Tibione Promising for Leprosy

Soviet Uses Synthetics