Smart Cards
As potential applications grow, computers in the wallet are making unobtrusive inroads
Features
The Stellar Dynamo
Sunspot cycles--on other stars--are helping astronomers study the sun's variations and the ways they might affect the earth
Gradients That Organize Embryo Development
A few crucial molecular signals give rise to chemical gradients that organize the developing embryo
Sands of the World
One of the most common elements on the earth's surface, sand is also one of the most various
Probing High-Temperature Superconductivity
Recent experiments exploiting subtle quantum effects yield important clues about why some ceramics conduct electricity without resistance
The Mystery of Lambic Beer
An ancient brewing technique produces a beverage so complex that it is still yielding its secrets to organic chemists
Ring Bubbles of Dolphins
A number of bottlenose dolphins in Hawaii can create shimmering, stable rings and helices of air as part of play
Gaining on Fat
Departments
- From the Editor
Aliens at Play
- Letters
Letters to the Editors, August 196
- Recommended
The Culture Machine: Science and Art on the Web
- Anti Gravity
Patient, Smell Thyself
- 50, 100 & 150 Years Ago
50, 100 and 150 Years Ago: The Magnesium Age, Compressed Air Motor and Uninhabited Moon
- Wonders
Great Books and City Crops
Working Knowledge on Slot Machines
- In Brief
In Brief
- Profile
Exploring the Business of Space
- Mathematical Recreation
Shedding a Little Darkness
- Amateur Scientist
Detecting Micron-Size Movements
- Science and the Citizen
Public Eye
The Wall Falls
Mussel Mayhem, Continued
The Blustery Void
A New King and His Tiny Minion
Mouse To Father Rat?
- By the Numbers
Lethal Accidents, 1979-1992
- Connections
A Lot of Boloney
- Cyber View
The Notworking Computer
Recently Netted....
- Field Notes
Insects of Generation X
- Technology and Business
Magnet on the Brain
Too Much for Too Little
One Small Step
The Right Touch
Coat of Many Colors
- In Focus
Paying Attention
