Feature

Color Changes in Fish Determined by Half an Eye

Smoothness of Surface Now Indicated by Sound

Artificial Lightning More Powerful than Nature’s

Ship’s Propeller Should Be in Bow as Is Seal’s

200 Elms Killed Daily by Dutch Elm Disease in East

Radio Device Blocks out Parts of Programs

Sweden’s Crown Prince to Take Part in Expedition

Giant Land Tortoise Holds Old Age Record

Smallpox May Increase with Return of Prosperity

[Photograph]: Modern Babylon

Will Seek Prehistoric Remains on Damsite

In Science Fields