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Brain RepairAugust 22, 1998 | Volume 154 | Number 8 Cover: 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) |
Features: MathTrek |
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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
Medal—the most prestigious prize in mathematics—for 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.
| Research Notes: |
Biomedicine
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.
Environment
Jury is still out on EMFs and cancerAn 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 & Society
Clinton gets new science advisorThe 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.
| Articles: |
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.
Close Connections
It's a small world of crickets, nerve cells, computers, and people
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.
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| copyright 1998 Science Service | ||
