August 22, 1998 | Volume 154 | Number 8Cover: University of Pittsburgh surgeons inject laboratory-grown human cells into a 62-year-old nurse who had suffered a stroke. Rat studies paved the way for the experimental treatment intended to repair brain damage. (University of Pittsburgh Medical Center)
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News of the Week:
Identifying sturgeon DNA sequences would allow scientists to determine which species produced any given sample of caviar.
Nanotubes get another glowing review
Tiny tubes made of carbon emit light when a current is passed through them.
Clinical judgment gets lift from research
A new analysis of many studies indicates that statistical formulas perform no better than mental health professionals in making correct judgments.
Math prizes: Moonshine to quantum logic
Four mathematicians won the Fields Medalthe most prestigious prize in mathematicsfor research ranging from string theory to chaos.
Soap-film shots tell more about swirls
Psychedelic patterns of turbulence in flowing soap films yield for the first time to detailed mathematical analysis.
Truffle genes are much alike in the dark
The first analysis of the population genetics of the prized black truffle finds that any regional differences probably come from environmental rather then hereditary factors.
Odd flu strain reveals its bag of tricks
Alterations in one of its proteins allows an influenza virus to infect more kinds of cells.
The North and South Hemispheres often fall out of step with each other, sometimes briefly moving in opposite climatic directions.
Drug prevents herpes return to the eye
Treatment with the drug acyclovir reduces the recurrence of herpes infection of the eye.
More babies sleep safely
Public health campaigns have reduced the number of babies being put to sleep on their stomachs.
EnvironmentJury is still out on EMFs and cancer
An expert panel recommended that electric and magnetic fields surrounding power lines and wires should be considered a possible human carcinogen.
Human pesticide experimentation
Some pesticide manufacturers are conducting toxicity tests on people in England and Scotland to bolster arguments that federally allowable residue levels of these chemicals on food can be increased.
Science & SocietyClinton gets new science advisor
The Senate confirmed Neal F. Lane, former National Science Foundation director, as the presidential science advisor.
Unusual offer in antibiotic approval
To secure approval from the Food and Drug Administration for the livestock antibiotic Baytril, its manufacturer pledged to take prompt corrective action if the drug's use in cattle was found to pose a risk to public health.
Can cells injected into the brain reverse paralysis? Using a novel, experimental therapy, surgeons have injected laboratory-grown, immature nerve cells into a patient's stroke-damaged regions.
Minor changes in the arrangement of links between members of a network can dramatically alter the rate at which information, computer viruses, or infectious diseases spread throughout the system.
It's a small world of crickets, nerve cells, computers, and people
Letters: A Selection from Letters to the Editor
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