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Science News Archive September 1998 - Page 4


Page 4 of 4

International Study Finds Mothers' Lifetime Lead Exposures May Put Breast-Fed Newborns At Risk

A recent international study found that mothers with high lifetime lead exposure may transfer toxic levels of lead to their breastfed infants. The researchers discovered a strong correlation between the amount of lead in the mothers' milk and the corresponding blood lead levels of the infants.

SourceNIH/National Institute of Environmental Health Sciences·JournalEnvironmental Health Perspectives·DateSep 3, 1998
Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

Physical Abuse Common Among Depressed Women

A study found that depressed women who experienced physical abuse were less likely to receive mental health care compared to those who had not been abused. Nearly all abused women sought recent medical help, highlighting the need for effective screening for domestic violence.

SourceCenter for Advancing Health·JournalJournal of General Internal Medicine·DateSep 3, 1998

Debilitating Pancreatic Disorder Linked To Cystic Fibrosis Gene

Researchers found a strong association between the cystic fibrosis gene and chronic pancreatitis, revealing genetics plays a significant role in its development. The study's findings have significant implications for treating patients with this condition, including those who are not heavy drinkers.

SourceDuke University Medical Center·JournalNew England Journal of Medicine·DateSep 3, 1998

Gene Therapy Showing Promise In Fighting Melanoma

A University of Wisconsin-Madison research team has developed a gene therapy vaccine that helps the animal's immune system recognize and attack cancer cells. The vaccine was tested on 16 dogs with advanced stages of melanoma and showed promise, with some animals living longer and tumor shrinkage in about 20 percent of cases.

SourceUniversity of Wisconsin-Madison·JournalHuman Gene Therapy·DateSep 3, 1998
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

OHSU Study Shows Bright Pink Form Effective In Helping Patients Communicate End-Of-Life Care Wishes

A study by OHSU found that patients who completed the bright pink POLST form had high levels of comfort care and low rates of aggressive life-extending treatment. The form, which enables patients to state wishes on specific treatments, was designed to record patients' wishes in the present, not just future healthcare.

SourceOregon Health & Science University·JournalJournal of the American Geriatrics Society·DateSep 2, 1998

Heavy Metal Hit Parade Could Point Scientists To Source Of Gamma-Ray Bursts

Researchers propose instrument to measure high-energy gamma rays from blazars, pulsars, and bursts, offering improved tracking capabilities and higher energy detection limits. The scintillating fiber detector system will act as both a tracker and calorimeter, providing a wide-angle view of the sky with unprecedented precision.

SourceNASA/Marshall Space Flight Center--Space Sciences Laboratory·DateSep 2, 1998

UCSF AIDS Research Center Receives Major New Grant From NIH

The UCSF Center for AIDS Research has been awarded a major grant from the National Institutes of Health to support ongoing work in basic, clinical, and behavioral science areas of HIV/AIDS. The grant will focus on developing new treatment approaches, understanding HIV transmission, and improving therapy effectiveness.

SourceUniversity of California - San Francisco·DateSep 2, 1998
Apple iPhone 17 Pro

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

Alzheimers Disease Could Soon Be Treated With Nose Drops

Researchers have discovered a new method to deliver drugs directly to the brain using nose drops, potentially treating Alzheimer's disease, Parkinson's disease, and multiple sclerosis. The treatment uses nerve growth factor and has shown promising results in animal studies.

SourceNew Scientist·JournalThe New Scientist·DateSep 2, 1998

Promiscuous Plants May Spread Genes To Weeds

Researcher Joy Bergelson finds that genetically engineered plants can outcross with wild relatives at a higher rate than previously thought, potentially leading to the creation of super-weeds. This could lead to increased pesticide use and crop competition for water and nutrients.

SourceUniversity of Chicago Medical Center·JournalNature·DateSep 2, 1998

Liquid Golf Clubs

Golfers can expect to hit longer shots and experience a softer yet solid feel with the new Liquidmetal alloy, absorbing less energy than conventional materials. This high-performance material is also attractive for replacing traditional metals in sporting goods and aerospace products.

SourceInstitute of Materials·JournalMaterials World·DateSep 2, 1998

Money For Old Cable

A new process called Continuous Rotary Extrusion (CRE) can produce high-quality copper from scrap electrical cable at a lower cost and with minimal environmental impact. The recycling centers can be based in compact light industry plants, reducing staff requirements and operating costs.

SourceInstitute of Materials·JournalMaterials World·DateSep 2, 1998
Apple AirPods Pro (2nd Generation, USB-C)

Apple AirPods Pro (2nd Generation, USB-C) provide clear calls and strong noise reduction for interviews, conferences, and noisy field environments.

New Optical Detector Could Revolutionize Astronomy

Physicists at Stanford University developed a new optical detector capable of measuring individual photons' energy, arrival time, and location throughout the spectrum. This breakthrough has potential applications in dark matter detection and improved astronomical observations.

SourceStanford University·JournalApplied Physics Letters·DateSep 2, 1998

Researchers Identify Risk Factors For Preeclampsia In Hypertensive Women

A study found that women with longstanding hypertension are more likely to develop preeclampsia if they have a history of high blood pressure and protein in the urine early in pregnancy. Women who developed preeclampsia were also more likely to experience complications such as premature birth and low birth weight.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·JournalNew England Journal of Medicine·DateSep 2, 1998

More Than $7.5 Million For Research

The Whitaker Foundation has awarded over $7.5 million to biomedical researchers at 29 universities to tackle medical problems and improve human health. The grants support innovative research in areas like regenerative medicine, biomechanics, and tissue engineering.

SourceWhitaker Foundation·DateSep 2, 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.

Envisioning Ions With INEEL-Developed Simulation

Dahl's award-winning ion optics simulation program, SIMION, has been instrumental in designing instruments for the Cassini mission to Saturn. On Earth, SIMION is used to analyze environmental contaminants, decode DNA, and uncover illegal drugs in urinalysis samples.

SourceDOE/Idaho National Laboratory·DateSep 2, 1998

Engineering New Enzymes

Researchers successfully engineered a hybrid enzyme with improved substrate specificity, demonstrating the potential of recombining subdomains to generate novel functions. The study presents a method for generating hybrid genes by combining subdomain segments from diverse proteins.

SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·DateSep 2, 1998

Clearer Criteria Needed To Support Government Involvement In Port And Freight Terminal Projects

A new report recommends guidelines for governments to evaluate proposals for public investment in freight facility projects, focusing on economic viability and benefits such as reduced pollution and job creation. The report also examines government policies beyond infrastructure investment that affect freight efficiency.

SourceNational Academies of Sciences, Engineering, and Medicine·DateSep 2, 1998

New Technologies Expand Physical Knowledge Of Antarctic Sea Ice

A new volume of research explores the physical processes and interactions of Antarctic sea ice, shedding light on its differences from Arctic sea ice. The study highlights the importance of interdisciplinary approaches to understanding this complex environment, which is sensitive to climate change.

SourceAmerican Geophysical Union·DateSep 1, 1998
Garmin GPSMAP 67i with inReach

Garmin GPSMAP 67i with inReach provides rugged GNSS navigation, satellite messaging, and SOS for backcountry geology and climate field teams.

Study Of Protein Reveals Two Different Prostate Cancers;One More Deadly Also Shows That Benign Prostate Hyperplasia Not A Precursor To Prostate Cancer

Researchers identified two distinct forms of prostate cancer, with one being more aggressive. The study also found that p27 plays a role in Benign Prostate Hyperplasia (BPH), which is genetically different from prostate cancer and not a precursor to its development.

SourceMemorial Sloan Kettering Cancer Center·JournalJNCI Journal of the National Cancer Institute·DateSep 1, 1998

UV Skin Damage In A Different Light

Researchers found that ultraviolet light triggers a harmful chemical reaction in the skin, leading to premature aging and cancer. The study reveals that a natural component of human skin, previously thought to be a 'nature's sunscreen,' actually contributes to skin damage.

SourceNIH/National Institute of General Medical Sciences·JournalProceedings of the National Academy of Sciences·DateSep 1, 1998

Severe Falciparum Malaria Increases In Honduras

Researchers found a striking increase in falciparum malaria in northern Honduras, with reported cases rising from 52,110 in 1994 to 75,565 in 1996. The more severe form of the disease accounted for 21% of infected patients, highlighting a significant public health concern.

SourcePan American Health Organization·DateSep 1, 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.

Study: Behavioral Problems Can Follow Shortness, Growth Hormones Could Help

A comprehensive study of 195 short children found a strong link between shortness and behavioral adjustment problems. Growth hormone treatments improved behavior scores and conduct in many cases, with significant improvements in anxiety, depression, and attention deficit disorders.

SourceUniversity of North Carolina at Chapel Hill·JournalThe Journal of Pediatrics·DateSep 1, 1998

Geometry Of Blood Vessels May Influence Heart Disease

A new study found that a larger angle between an artery and its branching points increases the susceptibility to plaque buildup, leading to cardiovascular disease. Researchers discovered that fluid mechanics plays a crucial role in vessel wall thickening, particularly at lower shear stress areas.

SourceOhio State University·JournalJournal of Biomechanics·DateSep 1, 1998

Health Promotion: Can Scare Tactics Work?

Researchers found that fear campaigns can be effective in motivating action, but only if individuals feel threatened and have clear information about the effectiveness of recommended actions. The study tested the impact of a fear campaign on reducing the risk of genital warts caused by human papilloma virus (HPV) among college women.

SourceCenter for Advancing Health·JournalHealth Education & Behavior·DateSep 1, 1998
Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

The Biology Of Antarctic Sea Ice Explored In New Volume

The new volume of the American Geophysical Union's Antarctic Research Series delves into the complex ecosystems found in Antarctic sea ice. Researchers explore various habitats, including algal biomass, nitrogen metabolism, and numerical ecosystem modeling studies, providing insights into the biodiversity of this unique environment.

SourceAmerican Geophysical Union·DateSep 1, 1998

Knee Brace May Be Unnecessary After Surgery, Study Finds

Researchers at Ohio State University found that wearing a knee brace after ACL reconstructive surgery may not be necessary for optimal recovery. Patients who wore a brace showed no significant improvement in knee stability compared to those who used an elastic knee bandage, suggesting that braces may be unnecessary.

SourceOhio State University·DateSep 1, 1998

For Fruit Flies, Finding The Right Mate May Mean Offspring With A Longer Life Span, According To New Study

A new study by geneticists at the University of Georgia shows that female fruit flies who have a choice between mates have offspring that live longer as adults. The research confirms the validity of the 'good genes' model, which proposes that females prefer males with certain traits because they indicate high genetic quality.

SourceUniversity of Georgia·JournalProceedings of the National Academy of Sciences·DateSep 1, 1998
Creality K1 Max 3D Printer

Creality K1 Max 3D Printer rapidly prototypes brackets, adapters, and fixtures for instruments and classroom demonstrations at large build volume.

Air Guns Can Cause Permanent Physical Damage To Children

A recent study published in Pediatric Emergency Care found that air gun injuries accounted for 87 of the 162 injuries caused by guns during a seven-year period. The research revealed that air gun wounds can be serious and even permanent, with 13 children suffering from visual disabilities.

SourceOhio State University·JournalPediatric Emergency Care·DateSep 1, 1998

Research Team Finds Gene Causing Two Types Of Muscular Dystrophy

A research team has identified a gene that causes two forms of muscular dystrophy, a genetic disease characterized by progressive weakness and deterioration of skeletal muscles. The discovery may lead to improved diagnosis and treatment options for patients with these disorders.

SourceMassachusetts General Hospital·JournalNature Genetics·DateSep 1, 1998

Dual X-Ray Technique Analyzes Structure Of Dental Alloys

A combination of XPS and XRD techniques reveals complex near-surface structures of oxidized palladium alloys, showing chemically bound water and microcrystals of gold and copper. The research provides new information on the mechanical properties and adherence to dental porcelain.

SourceOhio State University·JournalJournal of Materials Engineering and Performance·DateSep 1, 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.

Scientists Closer To Locating Gene That May Explain Cholesterol Absorption

Researchers found a genetic link to abnormal cholesterol absorption in individuals with sitosterolemia, a rare disease characterized by excessive plant sterol absorption. The study identified a specific gene on chromosome 2p21 that regulates selective cholesterol absorption.

SourceUT Southwestern Medical Center·JournalJournal of Clinical Investigation·DateSep 1, 1998

Study Links Colon Cancer To Diabetes Drug

A study published in Nature Medicine suggests that the diabetes drug troglitazone may increase the risk of colon cancer by activating the PPAR receptor, which promotes tumor formation in the colon. The study found that mice treated with troglitazone developed a significantly greater number of colon polyps than those not treated.

SourceHoward Hughes Medical Institute·JournalNature Medicine·DateSep 1, 1998

5-A-Day Diet Switch: Best With Co-Worker, Family Support

A new study finds that workers who have strong support from co-workers and family members are more likely to change their diet. Health promotion programs should target all family members, not just high-risk individuals, to build on foundation of family support.

SourceCenter for Advancing Health·JournalHealth Education & Behavior·DateSep 1, 1998

Gene Mutation Found For Common Form Of Mental Retardation

Researchers have located a gene mutation responsible for nonsyndromic mental retardation (MRX), a condition affecting brain development and causing severe cognitive problems. The PAK-3 gene defect, discovered on the X chromosome, gives insight into how neurons interact in learning and memory.

SourceHarvard Medical School·JournalNature Genetics·DateSep 1, 1998

Bioreactor Grows Cells That Produce Possible Anti-Cancer Protein

The device, called a fibrous-bed bioreactor (FBB), allows cells to grow in three dimensions and produces large quantities of Developmental Endothelial Locus-1 Protein (Del-1) for cancer research. The FBB's unique design enables high cell densities, making it suitable for growing replacement human organs.

SourceOhio State University·DateSep 1, 1998
AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

Losing Weight Hardest For Those Who Want To Most

A study by Stanford University School of Medicine found that individuals dissatisfied with their bodies and those with a history of weight fluctuations face extreme difficulty losing weight. The research suggests that combining diet and exercise is crucial for success, emphasizing the importance of addressing both aspects.

SourceCenter for Advancing Health·JournalAnnals of Behavioral Medicine·DateSep 1, 1998