Feature

New Machines and Gadgets

Front Matter

Reach Star Temperatures

Books of the Week

Population of Future Will Follow the Sun

Second Comet of Year Spotted in Eastern Sky

Mildew May Make Kitchen Walls Gray

[Photograph]: Measuring Particle Size

Ancient Bones Puzzling

Anti-TB Drug Needs Metal for Cure Effect

[Photograph]: Rare Bassaricyon

Will Build Israeli TVA