Feature

Famous Institution Holds Celebration after 30 Years

Few Simple Rules in Driving Greatly Increase Car Mileage

New Hope of Harnessing Sun’s Prodigious Energy

Honors for Longevity Reclaimed by Big Trees

High Costs Hinder Adoption of Large Diesels in U. S.

Our Galaxy Biggest Known, 100,000 Light Years Across

[Photograph]: In the Royal Citadel

Front Matter

Engineering Students Need More Fundamental Studies

Weathermen Should Make Greater Use of Clouds

First Glances at New Books

Danger of Spotted Fever Seen in Large Crop of Ticks