Feature

Valuable Chemical to Be Extracted from Seawater

An Ape for a Baby Sister

Plant and Ants Cooperate to Destroy Grasshoppers

In Science Fields

Sleeping Sickness Outbreak Greatest in History

Discoverer Tells How He Found Stellar Flareup

Nature Ramblings: Hospitality to ‘Hoppers

Ancient Aztec Capital Being Dug out beneath Mexico City

Using American Photos, Britons Find Double Weight Neutron

Free of Ice, Northern Lands Appear to Be Tilting

Famine Stalks after Floods on Tragic Plains of China

Famous Variable Star Now Brighter than Ever Before