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December 1994
Scientific American Magazine
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Cover; December 1994; by Staff Editor; 1 Page(s)
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Credits; December 1994; by Staff Editor; 1 Page(s)
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No-Polluting Zone; December 1994; by Gibbs; 2 Page(s)
Russia follows Adirondack approach to environmental protection
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Trapped in the Light; December 1994; by Yam; 2 Page(s)
Laser beams levitate droplets of superfluid helium
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Electrical Activity above Thunderstorms; December 1994; by Staff Editor; 1 Page(s)
Red sprites and blue flashes were recently found to live above some thunderstorms - although pilots have been reporting the luminous phenomena for many years.
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Toxic Waste and Race: An Unnatural Association; December 1994; by Staff Editor; 1 Page(s)
Hazardous-waste sites are too close for comfort in many
minority communities, concludes a report by the Center
for Policy Alternatives in Washington, D.C.
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Global Politics; December 1994; by Horgan; 2 Page(s)
Mathematicians collide over a claim about packing spheres
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The No-Name Virus; December 1994; by Horgan; 2 Page(s)
Questions linger after the Four Corners outbreak
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Bad Apple Picker; December 1994; by Stix; 2 Page(s)
Can a neural network help find problem cops?
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Relinquishing Relics; December 1994; by Powell; 2 Page(s)
3-D copies of artifacts could stand in for the real thing
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Improving Automotive Efficiency; December 1994; by DeCicco, Ross; 6 Page(s)
Batteries and fuel cells? Cleaner air and reduced
oil imports can be won by redesigning
conventional internal-combustion-powered vehicles
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Fossils of The Flaming Cliffs; December 1994; by Novacek, Norell, McKenna, Clark; 8 Page(s)
Mongolia's Gobi Desert contains one of the richest assemblages of dinosaur remains ever found. Paleontologists are uncovering much of the region's history.
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Earth From Sky; December 1994; by Evans, Stofan, Jones, Godwin; 6 Page(s)
Radar systems carried aloft by the space shuttle Endeavour provide a new perspective of the earth's environment
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The New Genetic Medicines; December 1994; by Cohen, Hogan; 6 Page(s)
Synthetic strands of DNA are being developed as drugs.
Called antisense and triplex agents, they can potentially
attack viruses and cancers without harming healthy tissue
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The Duality in Matter and Light; December 1994; by Englert, Scully, Walther; 6 Page(s)
In quantum mechanics, objects can behave as particles or as waves.
Studies now emphasize that such complementary features are
more fundamental than has generally been appreciated
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Making Environmental Treaties Work; December 1994; by French; 4 Page(s)
Many agreements aim to protect the
global environment. But actually making
them do so requires innovative approaches
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Caulerpa; December 1994; by Jacobs; 6 Page(s)
This tropical alga is the world's largest single-celled organism. Yet it differentiates into a complex structure of leaves, stems and roots
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Trends: The Speed of Write; December 1994; by Stix; 6 Page(s)
Scientists now transmit reports of their research - from first inspiration to final result - over electronic networks. Even live experiments can be witnessed on-line. Publishers and libraries may never be the same
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Amateur Scientist; December 1994; by Ross, DeCicco; 3 Page(s)
Measuring the Energy Drain on Your Car
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Book Review; December 1994; by Morrison; 8 Page(s)
Science Books for Young People
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Essay; December 1994; by Chaisson; 1 Page(s)
The cold war is over. It's time to lower the classification barriers concerning many of our nation's secret operations in space.
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