Feature

Honors for Longevity Reclaimed by Big Trees

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

Leaves Are Even Easier to Collect than Flowers

New Hope of Harnessing Sun’s Prodigious Energy

Famous Institution Holds Celebration after 30 Years

First Glances at New Books

Erratum: New Fossils Add to Knowledge of African Man-like Ape

Erratum: Make Electrical Device for Cleaning Dust from Air

Erratum: In Science Fields: Germany Saves Copper in New Locomotives

In Science Fields

Summer Stars Are Shining

Lindbergh and Carrel Foresee Removal of Organs for Cure