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January 1993
Scientific American Magazine
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Cover; January 1993; by Staff Editor; 1 Page(s)
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Masthead; January 1993; by Staff Editor; 1 Page(s)
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How Many Genes and Y; January 1993; by John Rennie; 3 Page(s)
Gene mappers find plenty, even in "junk" chromosomes
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Endangered Genes; January 1993; by Philip E. Ross; 1 Page(s)
Can you name the male and female leads of the Human Genome Project?
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Pitohui!; January 1993; by Marguerite Holloway; 2 Page(s)
The colorful bird looks better than it tastes
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Crunching Epsilon; January 1993; by Paul Wallich; 2 Page(s)
Cryptography may be the key to checking enormous proofs
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A Gene for Hypertension; January 1993; by Philip Yam; 1 Page(s)
When a greasy burger or a handful of salted peanuts sends someone's blood pressure soaring, there may be more to the clinical picture than the hazards of gobbling on the run.
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Anything Goes; January 1993; by Gary Stix; 2 Page(s)
Why two sexes are better than 13
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MACHOs or WIMPs?; January 1993; by Corey S. Powell; 3 Page(s)
Astronomers stalk the invisible cosmic majority
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Booby Prizes; January 1993; by Shawna Vogel and John Rennie; 1 Page(s)
Amid cries of "Excelsior!" and strains from the "Close Encounters of the Third Kind" theme, the oxymoronic Second First Annual Ig Nobel Prize Ceremony began.
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Coral Bleaching; January 1993; by Barbara E. Brown and John C. Ogden; 7 Page(s)
Environmental stresses can cause irreparable harm to coral reefs. Unusually high seawater temperatures may be a principal culprit
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How the Milky Way Formed; January 1993; by Sidney van den Bergh and James E. Hesser; 7 Page(s)
Its halo and disk suggest that the collapse of a gas cloud, stellar explosions and the capture of galactic fragments may have all played a role
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Carbohydrates in Cell Recognition; January 1993; by Nathan Sharon and Halina Lis; 8 Page(s)
Telltale surface sugars enable cells to identify and interact with one another. New drugs aimed at those carbohydrates could stop infection and inflammation
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The Earliest History of the Earth; January 1993; by Derek York; 7 Page(s)
Radioactive dating techniques have illuminated vast stretches of geologic history, bringing the most ancient eras of the earth's evolution into view
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Madagascar's Lemurs; January 1993; by Ian Tattersall; 8 Page(s)
These primates can tell us a great deal about our own evolutionary past. But many species are already extinct, and the habitats of those that remain are shrinking fast
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Quantum Dots; January 1993; by Mark A. Reed; 6 Page(s)
Nanotechnologists can now confine electrons to pointlike structures. Such "designer atoms" may lead to new electronic and optical devices
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The Mind and Donald O. Hebb; January 1993; by Peter M. Milner; 6 Page(s)
By rooting behavior in ideas, and ideas in the brain, Hebb laid the groundwork for modern neuroscience. His theory prefigured computer models of neural networks
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Adapting To Complexity; January 1993; by Russell Ruthen; 8 Page(s)
From a primeval sea of organic molecules arose plants, animals, global ecosystems, intelligent beings, international organizations. What drives the natural world toward complexity?
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Back to Roots; January 1993; by Gary Stix; 2 Page(s)
Drug companies forage for new treatments
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National Conundrums; January 1993; by Elizabeth Corcoran; 2 Page(s)
Finding new work for the national weapons labs
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Soft Lego; January 1993; by Elizabeth Corcoran; 2 Page(s)
How software designers hope to make programs reusable
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Habeas Corpus; January 1993; by Gary Stix; 2 Page(s)
Seeking subjects to be a digital Adam and Eve
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Geometry Acquisition; January 1993; by Gary Stix; 1 Page(s)
Computed tomography is a boon to reverse engineering
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Book Reviews; January 1993; by Philip Morrison; 6 Page(s)
Stargazing...A tome of animals...Stairs, a step at a time
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