Feature

Steel Famine Even in Defense Seen for the Next Few Years

Mottled Enamel of Teeth Prevented by Water Treatment

Patient Survives Removal of One Entire Lung

Skin Test, as for Hay Fever, Reveals Alcohol Capacity

[Photograph]: Superchargers

Star Two Million Miles Away from Its Two Companions

Mechanical Brains May Do Future Auto Gear Shifting

Defect of “Blue Babies” Corrected by Operation

[Photograph]: In the Army Now

Gestures Not Inherited: They Are Imitated

First Glances at New Books

In Science Fields