Feature

Plastic Cover Used to Make Silos in Fields

New Machines and Gadgets

New Nuclear Particles

Temperatures Twice Those of Sun’s Surface Reached

The Maligned Octopus

Front Matter

Pill-Making Machine

Early Peoples Migrated

To Study Earth, Seas and Air at MIT Laboratory

Think “Lost Jade Mines” of Mexico Located

Books of the Week

Gravity Shield Would Be of “Dubious Value”