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Science News for February 18, 1998


Research Finds Whites Reluctant To Provide Critical Feedback To Minorities In An Academic Environment

Research finds that White students tend to provide more praise and less criticism when evaluating essays written by Black students, compared to when evaluating those written by White students. This 'positive feedback bias' can deprive minority students of intellectual challenges and may compound existing biases.

SourceAmerican Psychological Association·JournalJournal of Personality and Social Psychology·DateFeb 18, 1998

Biotech Approach To Feral Cat Problem Devised

A team of researchers has successfully created a genetically engineered Salmonella bacterium that can serve as an oral contraceptive for feral cats. The vaccine induces antibodies that block sperm fertilization, potentially helping to control the nation's stray cat population and mitigate their impact on songbird populations.

SourceVirginia Tech·DateFeb 18, 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.

26 National Alzheimer's Disease Centers Collaborate On Study Of The Utility Of Genetic Testing For Alzheimer's

A recent study by 26 National Alzheimer's Disease Centers found that a test for the ApoE E4 form of genetic testing can reduce false positive diagnoses by approximately 30%. The study suggests this tool may be helpful in supplementing clinical diagnoses of dementia, but more research is needed to confirm its universality.

SourceNIH/National Institute on Aging·JournalNew England Journal of Medicine·DateFeb 18, 1998

Genetic Test For Alzheimer's May Improve Diagnostic Reliability

Researchers found that combining the Apolipoprotein E (ApoE) genetic test with clinical examinations significantly improved diagnosis accuracy for Alzheimer's disease. The study showed a 45% to 16% reduction in false positive diagnoses, emphasizing the potential of ApoE testing as a diagnostic aid.

SourceColumbia University Irving Medical Center·DateFeb 18, 1998

Hormone Control Of Rare Leukemia Sheds Light On Molecular Basis Of Cancer

Researchers discovered that a genetic translocation between chromosomes is responsible for the deadly uncontrolled cell growth in APL. The hormone retinoic acid plays a crucial role in regulating gene expression and overcoming this translocation, making it a promising treatment for most cases.

SourceUniversity of Pennsylvania School of Medicine·JournalNature·DateFeb 18, 1998
Apple iPhone 17 Pro

Apple iPhone 17 Pro delivers top performance and advanced cameras for field documentation, data collection, and secure research communications.

DNA Used To Create Self Assembling Conducting Wire: Breakthrough Will Lead To Next Leap In Emerging Nanoelectronics

Scientists at the Technion-Israel Institute of Technology have successfully created a working electronic component using DNA to assemble a conducting wire. The wire, 100 nanometers wide, has potential properties that could be used to make computer memories, and its narrow size allows for potentially much faster computer chips.

SourceAmerican Society for Technion - Israel Institute of Technology·JournalNature·DateFeb 18, 1998