The Homelessness Problem
Many of the homeless people wandering the streets of American cities and crowding into emergency shelters are mentally ill. They require adequate housing and appropriate psychiatric care
Features
Undersea Volcanoes
New techniques for exploring the ocean floor are yielding a remarkably detailed picture of the volcanic processes responsible for generating the bulk of the earth's crust
Immunotoxins
The idea is to link a toxic agent to a monoclonal antibody binding to a particular tumor antigen, thus fashioning a "magic bullet" that will destroy targeted cancer cells but leave normal cells unharmed
Form and Function in Fish Swimming
Some fishes are specialized for cruising, accelerating or maneuvering, but most are generalists with a combination of locomotor qualities. Recent work correlates each fish's form with its habit of swimming
Symbiotic Stars
Satellite observations have revealed that certain celestial objects with a peculiar spectrum consist of a red-giant star surrounded by a small dense nebula heated by a compact hot companion star
Multilingual Word Processing
The advantages of computerized typing and editing are now being extended to all the living languages of the world. Even a complex script such as Japanese or Arabic can be processed
The Mathematics of Three-Dimensional Manifolds
Topological study of these higher-dimensional analogues of a surface suggests the universe may be as convoluted as a tangled loop of string. It now appears most of the manifolds can be analyzed geometrically
Medieval Roots of the Industrial Revolution
The revolution is generally dated to the arrival of steam power in the 18th and 19th centuries. It is now clear that long before then a significant role was played by water-powered machines
Departments
50 and 100 Years Ago: July 1984
Science and the Citizen, July 1984
- Letters
Letters to the Editors, July 1984
- Recommended
Books, July 1984
- Amateur Scientist
The Amateur Scientist, July 1984
- Departments
The Authors, July 1984
Computer Recreations, July 1984
Bibliography, July 1984