Feature

New Machines and Gadgets

Nature Ramblings: Partial Suicide

Fisheries Revolution

Unknown within Atom under Energetic Attack

Navy Reveals New Plane That Hunts, “Kills” Subs

[Photograph]: Assembling Photo-Map

Erratum: Smallest Known Star

Inert Insecticide Material Helps Kill

Erratum: Amebas Have Red Tails, Expert Finds

Proper Building Solves Danger from Earthquake

DDT Saved 5,000,000 in Last Ten Years

Front Matter