Feature

Front Matter

Heredity-Bearing Genes and Death-Dealing Viruses Alike

[Photograph]: Smallest Metal Tube

England Making Ready for Blood Transfusions in War

Air Defense Experts Are Worried about “Blast”

Chronic Joint Trouble Linked to Worry, Poverty and Grief

Invisible Indian Villages Detected by Expedition

Body Parts Petrified for Study by Physicians

Longer but Safer Take-Offs May Follow Air Safety Report

Sulfanilamide Aiding War against Trachoma Blindness

“Spring Greens” from Weeds Rich in Vitamin C

Detect Carbon Monoxide in Very Low Concentration