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Science News for February 26, 1998


Quantum Theory Demonstrated: Observation Affects Reality

Researchers at the Weizmann Institute of Science demonstrate that observing electrons alters their behavior, changing from wave-like to particle-like behavior. The study shows that increasing detection can weaken interference patterns, while reducing detection strengthens them.

SourceAmerican Committee for the Weizmann Institute of Science·JournalNature·DateFeb 26, 1998

Study Links Childhood Sexual Abuse, Teen Pregnancy

A decade-long study by USC and NIMH researchers found that girls who were sexually abused as children are more likely to have babies at a younger age, engage in risky sexual behavior, and experience negative thoughts about sex. The study tracked the psychological and behavioral development of 160 girls from adolescence to adulthood.

SourceUniversity of Southern California·DateFeb 26, 1998
SAMSUNG T9 Portable SSD 2TB

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Transplanted Neurons Restore Function In Rats After Stroke

Researchers have successfully transplanted cryopreserved human neuronal cells into rats with stroke, restoring movement and behavioral recovery. The treatment has shown promise as an alternative to fetal tissue in treating strokes and neurodegenerative disorders.

SourceUniversity of Pennsylvania School of Medicine·JournalExperimental Neurology·DateFeb 26, 1998

Hybrid Antibody Created At National Jewish Medical And Research Center 'Turns Off' CD4 T Cells Responsible For Organ Transplant Rejection

A new hybrid antibody developed at National Jewish Medical and Research Center can selectively turn off only the CD4 T cells attacking transplanted organs, allowing the immune system to fight other illnesses without suppression. Clinical trials are estimated to take approximately two years.

SourceNational Jewish Health·JournalNature Biotechnology·DateFeb 26, 1998

Spatial Short-Term Memory Pinpointed In Human Brain

Scientists have identified a specific area in the human brain that temporarily stores information about spatial locations, solving a decade-long puzzle. The discovery sheds light on how our brains process spatial working memory and its connection to other cognitive abilities.

SourceNIH/National Institute of Mental Health·JournalScience·DateFeb 26, 1998

Humor Is Serious Business For Cincinnati Marketing Researchers

Cincinnati marketing researchers have created a comprehensive test to measure an individual's need for levity, exploring the link between humor, whimsy, and human behavior. The study found that people tend to score high on external-humor, with men perceiving themselves as jokesters more often than women.

SourceUniversity of Cincinnati·DateFeb 26, 1998
Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

Jefferson Researchers Find Correlation Between Gene And Endometrial Cancer

Thomas Jefferson researchers discovered that lower levels of the tumor suppressor gene Rb2/p130 correlate with increased risk of returning disease and higher mortality in women with endometrial cancer. The study suggests a potential diagnostic test to guide treatment and improve patient outcomes.

SourceThomas Jefferson University·JournalJournal of Clinical Oncology·DateFeb 26, 1998

Chemist Turns To Self-Assembly To Create New Drugs

Chemist Benjamin Miller has devised a way to create new drugs by using metal atoms to assemble countless combinations of molecules, then selecting the best candidates through a Darwinian process. This method shifts the burden of tedious drug development work off technicians' shoulders, offering a faster and more efficient approach.

SourceUniversity of Rochester·JournalTetrahedron Letters·DateFeb 26, 1998