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May 1995
Scientific American Magazine
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Cover; May 1995; by Staff Editor; 1 Page(s)
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Masthead; May 1995; by Staff Editor; 1 Page(s)
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Information Have-Nots; May 1995; by Gibbs; 2 Page(s)
A vicious circle isolates many Third World scientists
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The Sound of One Tree Breathing; May 1995; by Schneider; 1 Page(s)
As part of the Southern Oxidants Study, Environmental Protection Agency researchers and their colleagues at Duke University are conducting experiments to determine the amount of volatile organic compounds (VOCs) given off by some native tree species.
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Tribal Struggle; May 1995; by Mukerjee; 3 Page(s)
Stone Age guardians of the Andaman Islands fight to survive
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Sponging off Shrimp; May 1995; by Vames; 1 Page(s)
Sponges are not picky eaters: they dine on nearby particles or microorganisms.
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Why Worry?; May 1995; by Stix; 2 Page(s)
We are all going to die.
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Life's a Draw; May 1995; by Beardsley; 2 Page(s)
Chance and survival of the fittest duke it out in bacteria
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As They Lay Dying; May 1995; by Yam; 2 Page(s)
Near the end, artifcial neural networks become creative
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The Analytical Economist; May 1995; by Stix, Wallich; 2 Page(s)
In 1960 South Korea's gross domestic product per capita was lower than that of many sub-Saharan countries.
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A Rogue's Routing; May 1995; by Wallich; 1 Page(s)
Hackers may ignore individual PCs and undermine the Net
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Feature from the Dark Lagoon; May 1995; by Schneider; 1 Page(s)
Peering at shipwrecks in murky depths has been, until
recently, a dim affair.
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Electric Genes; May 1995; by Paterson; 2 Page(s)
Current flow in DNA could lead to faster genetic testing
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Europeans On-Line; May 1995; by Browning; 1 Page(s)
National boundaries still matter, even in cyberspace
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The Global Tobacco Epidemic; May 1995; by Bartecchi, MacKenzie, Schrier; sidebar by Pierce & Gilpin; 8 Page(s)
Cigarette smoking has stopped declining in the U.S.
and is rising in other parts of the world. Aggressive marketing
and permissive regulations are largely to blame
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Binary Neutron Stars; May 1995; by Piran; 8 Page(s)
These paired stellar remnants supply exquisite
confirmations of general relativity. Their
inevitable collapse produces what may
be the strongest explosions
in the universe
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Dendrimer Molecules; May 1995; by Tomalia; 5 Page(s)
Chemists can now build fractal supermolecules.
This new class of polymers promises to be valuable
in biotechnology and environmental protection
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The Ocean's Salt Fingers; May 1995; by Schmitt Jr.; 6 Page(s)
A small-scale oddity in the way seawater
mixes can have large-scale consequences
for the structure of the ocean
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The Silicon Microstrip Detector; May 1995; by Litke, Schwarz; 6 Page(s)
Produced with the same tools used to create integrated
circuits, these detectors recently helped to find the top quark
and are central to other crucial experiments
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Did Bohr Share Nuclear Secrets?; May 1995; by Bethe, Gottfried, Sagdeev; 7 Page(s)
Niels Bohr met with a Soviet agent in late
1945. Although some have accused Bohr
of divulging nuclear secrets, a recently disclosed
memo offers evidence to the contrary
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What Did Heisenberg Tell Bohr about the Bomb?; May 1995; by Bernstein; 6 Page(s)
In 1941 Werner Heisenberg and Niels Bohr met privately in Copenhagen. Almost two years later at Los Alamos, Bohr showed a sketch of what he believed was Heisenberg's design for a nuclear weapon
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The Preservation of Past; May 1995; by Holloway; 8 Page(s)
Conservators are racing to save monuments threatened by
development, pollution, looting and neglect. In the process, they are
transforming the field of archaeology into a new science
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Book Reviews; May 1995; by Morrison, Davis; 5 Page(s)
Our world as a speck; Great art on CD-ROM
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Essay; May 1995; by Mitchell; 1 Page(s)
The Parable of the Pizza Parlor
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