Feature

Genetic Clue to Diseases

New Machines and Gadgets

Heart Massage Technique Is Available to All GP’s

Books of the Week

Army Beats Bread Problem

Study Earth’s Interior

[Photograph]: Ice-Free Water

New Machines and Gadgets

Find “Hot Spots” on Sun’s Face in Ultraviolet Light

Cause Cell Mutations

Weather Bureau Will Fly Airplanes into Hurricanes

In Science Fields