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Science News for November 25, 1998


Better Training, Not New Technology Is Needed To Stop Pilots Crashing

The CFIT Reduction Task Force has found that airlines are placing too much faith in new technologies and not enough emphasis on basic training and safety procedures. The task force recommends a checklist and education aid to alert flight crews to the dangers of CFIT accidents, which have increased by seven confirmed incidents this year.

SourceNew Scientist·JournalThe New Scientist·DateNov 25, 1998

Biochemical Markers Could Help Identify Battered Children

A team led by Patrick Kochanek has identified specific biochemical markers that may help detect child abuse. Preliminary evidence suggests that victims of abuse often have abnormal levels of quinolinic acid in their cerebrospinal fluid, which could reveal whether a parent is lying about the timing of an injury.

SourceNew Scientist·JournalThe New Scientist·DateNov 25, 1998
SAMSUNG T9 Portable SSD 2TB

SAMSUNG T9 Portable SSD 2TB transfers large imagery and model outputs quickly between field laptops, lab workstations, and secure archives.

Young Stars "Undressed" By Massive Stars Nearby

A team of astronomers led by Bo Reipurth and John Bally observed that ultraviolet radiation from nearby massive stars destroyed the cocoons of gas and dust surrounding young stars, revealing billions of miles long supersonic jets. The destruction has provided new insight into star birth and evolution, and may have implications for the ...

SourceUniversity of Colorado at Boulder·JournalNature·DateNov 25, 1998

New Findings On Receptor Regulation May Lead To Better Drugs For Diabetes

Researchers at the University of Pennsylvania School of Medicine have discovered a key step in regulating PPAR-gamma receptors, which control insulin sensitivity. The finding may lead to drugs with fewer side effects and greater efficiency for treating adult-onset diabetes.

SourceUniversity of Pennsylvania School of Medicine·JournalNature·DateNov 25, 1998

Memory Loss In Old Age No Longer Linked To Dying Brain Cells

Neuroscientist Michela Gallagher's research reveals that cognitive decline in old age is not caused by dying brain cells, but rather by the natural aging process. The study used rat models to show that neuron losses are confined to populations of cells with limited memory function.

SourceJohns Hopkins University·DateNov 25, 1998
Nikon Monarch 5 8x42 Binoculars

Nikon Monarch 5 8x42 Binoculars deliver bright, sharp views for wildlife surveys, eclipse chases, and quick star-field scans at dark sites.

Umbilical Cord Blood Transplantation - Statement From Claude Lenfant, M.D., Director, National Heart, Lung, And Blood Institute

The largest series of unrelated cord blood transplants confirms the feasibility of transplantation for patients without a matching donor. The study demonstrates success in children and mismatched transplants with reduced acute graft versus host disease incidence.

SourceNIH/National Heart, Lung and Blood Institute·JournalNew England Journal of Medicine·DateNov 25, 1998

Molecular Mechanism For Evolution Described

Researchers at the University of Chicago have discovered a molecular mechanism that allows organisms to evolve new traits in response to environmental stress. The mechanism involves the protein heat shock protein 90 (Hsp 90), which normally keeps genetic variations silent but can reveal them during times of stress.

SourceUniversity of Chicago·JournalNature·DateNov 25, 1998

New Insight Into Genetic Cause Of Infant Mortality

A team of researchers has identified the normal function of a protein associated with spinal muscular atrophy (SMA), an inherited neuromuscular disease that is the most common genetic cause of infant mortality. The study, published in the journal Cell, also developed cell-based assays to search for potential therapeutic compounds.

SourceHoward Hughes Medical Institute·JournalCell·DateNov 25, 1998