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September 1999
Scientific American Magazine
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Cover; September 1999; by Staff Editor; 1 Page(s)
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In Focus: The Fallout From Cassini; September 1999; by Alpert; 2 Page(s)
Controversy over the spacecraft's plutonium may threaten future misions to explore the solar system
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Congo City; September 1999; by Holloway; 2 Page(s)
Gorillas and the rain forest come to the Bronx
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Silicone Safe; September 1999; by Reed; 1 Page(s)
A major report finds that
silicone breast implants
don't lead to cancer
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Calculating Immunity; September 1999; by Beardsley; 2 Page(s)
Computers may be able to determine the molecular interactions in an immune response
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In Brief; September 1999; by Staff Editors; 3 Page(s)
La Niña Continues; But I Own a Porsche...; Alzheimer's Vaccine?; Sleeping Like a Baby; Rabbit, Run; More New Elements; Why Einstein Was Einstein; Digital Divide
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Strike Zone; September 1999; by Scott; 1 Page(s)
A little ecology and technology could keep birds away
from airplanes
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By the Numbers: U.S. Immigration; September 1999; by Doyle; 2 Page(s)
From the founding of the republic to the
mid-1920s,U.S.immigration was large
ly unrestricted, but shortly thereafter Congress
passed legislation severely limiting entry
from all regions except northwestern Europe.
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In Plane Sight; September 1999; by Dupont; 1 Page(s)
Unmanned aerial vehicles prove
their potential over Kosovo
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Enter Robots, Slowly; September 1999; by Beardsley; 2 Page(s)
Faster computing means some technological hurdles are falling
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Not Making Scents; September 1999; by Nelson; 2 Page(s)
Thanks to commercial hybridization, flowers seem
to be losing their fragrance
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Cyber View; September 1999; by Grossman; 1 Page(s)
When Publishing Could Mean Perishing
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Breathing Life into "Tyrannosaurus rex"; September 1999; by Erickson; 8 Page(s)
By analyzing previously overlooked fossils and by taking a second look at some old finds,paleontologists are
providing the first glimpses of the actual behavior
of the tyrannosaurs
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The Dechronization of Sam Magruder; September 1999; by Simpson; 4 Page(s)
"The brute - it was a tyrannosaur - got me by the leg. He shook me loose, tearing off the leg at the knee, and he didn't see where the rest of me fell. I tied up the stump and crawled away...."
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Migrating Planets; September 1999; by Malhotra; 8 Page(s)
Did the solar system always look the way it does now? New evidence indicates that the outer planets may have
migrated to their present orbits
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Repairing the Damaged Spinal Cord; September 1999; by McDonald; 10 Page(s)
Once little more than a futile hope, some restoration
of the injured spinal cord is beginning to seem feasible
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A Case against Virtual Nuclear Testing; September 1999; by Paine; 6 Page(s)
The U.S. Department of Energy's high-tech plan to replace nuclear testing with elaborate 3-D computer simulations is seriously flawed
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The Throat Singers of Tuva; September 1999; by Levin, Edgerton; 8 Page(s)
Testing the limits of vocal ingenuity, throat-singers can create sounds unlike anything in ordinary speech and song - carrying two musical lines simultaneously, say, or harmonizing with a waterfall
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Scientists and Religion in America; September 1999; by Larson, Witham; 6 Page(s)
Science and religion are engaging in more active dialogue and debate, but a survey suggests that scientists' beliefs have changed little since the 1930s,
and top scientists are more atheistic than ever before
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Reviews; September 1999; by Morrison, Staff Editors; 3 Page(s)
Reviews
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