Feature

Roses Yield Vitamin C to Enrich British Diet

First Glances at New Books

Planes and Tanks Have Made Heavy Artillery Obsolete

In Science Fields

Millions of Kilowatt-Hours Saved from Engine Tests

Colchicine Injections Change Chromosomes in Fruit Flies

Shortage of Physicists a National Emergency

Avogadro Number Remeasured Differs from Textbook Value

Remarkably Low Wartime Death Rate in England

New Sources of Ultraviolet Several Times More Effective

Nature Ramblings: Summer Wildflowers

Bacteriophage Conquering Dysentery in Alexandria