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Science News Archive 1998


Page 17 of 42

Stigma Hinders Working Poor, Welfare Recipients

Researchers found that welfare-dependent individuals and working poor people face negative attitudes from professionals and encounter barriers in their daily lives. They struggle to lead ordinary lives without facing stigma, which drains their energy and hinders their progress in moving up the economic ladder.

New Tests Show

Researchers have developed a new fuel formulation that produces 40-50 percent fewer unburned hydrocarbons and 20 percent less carbon monoxide compared to gasoline. The P-series fuel blend can power flexible fuel cars, offering an alternative to traditional gasoline.

Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Cereal Lessens Colon Cancer Risk

Researchers found that extrusion-processed wheat bran in cereals can reduce the number of aberrant crypt cells in laboratory rats by up to 40%, compared to raw wheat bran and flaked cereals. The study suggests that processing wheat bran improves its health-promoting properties, making it a potential tool in reducing colon cancer risk.

New Soy Protein Adhesive: Water Resistant, Strong And Non-Toxic

Kansas State University researcher Xiuzhi Susan Sun has developed a new soy protein adhesive that is water resistant, strong, and non-toxic. The modified soy protein molecule unfolds to promote water resistance and increases adhesive strength. This adhesive performed well in various tests, including ASTM standard tests for adhesives.

Mental Health Barriers Impact Moving From Welfare To Work

A Penn State study reveals single mothers on welfare are more likely to have psychiatric disorders, highlighting the need for mental health services in welfare reform programs. The research found that major depression and agoraphobia were prevalent among welfare recipients.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

U.S. Math & Science Scores Indicate Mediocrity

The U.S. shows a drop in international rankings in math and science between the fourth and eighth grades due to low gains from year to year. Researchers attribute this to systemic issues in the education system, including curriculum and teaching quality.

Structure Of Enzyme Involved In Gentamicin Resistance Revealed For First Time

A team of researchers has determined the three-dimensional structure of an enzyme responsible for gentamicin resistance, presenting a possible target for designing drugs to inhibit its action. The enzyme's structure resembles a cupped right hand wrapped around a cylinder, with a cavity that could hold gentamicin in place.

23 Percent Of Welfare Recipients Have A Major Psychiatric Disorder

A new study by Dawn Stauffer and Rukmalie Jayakody found that 23% of welfare recipients had major depression, anxiety disorders, or other mental health problems. This rate is significantly higher than previously estimated, highlighting the need for comprehensive mental health services in welfare reform.

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.

Brain Regions Identified That Influence What We Remember Or Forget

Researchers at Stanford and Harvard have identified specific brain regions responsible for predicting memory recall. Neural activity in the medial temporal lobe system, particularly the parahippocampal cortex, was found to predict whether a person would later remember a photograph or word.

Enzyme's Structure Yields Blueprint For Antibiotic Resistance

Researchers discover shared structure among 150 enzymes, promoting transfer of acetyl group and affecting antibiotics and neurotransmitters. The discovery provides a potential solution to emerging antibiotic resistance and sheds light on the fundamental structures of proteins.

Yeast Rises To A New Occasion

Researchers at Purdue University have successfully modified yeast to ferment both glucose and xylose from plant matter, producing more ethanol from the same amount of material. This breakthrough could make ethanol production cheaper and more sustainable.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

Scientific Team Returns From Tsunami Site

A scientific team's findings suggest that tsunamis may pose a significant threat to the Pacific Rim and other coastline regions due to the instability of submarine structures. The team believes that earthquakes of magnitude 7.0 or greater can trigger massive underwater landslides, resulting in devastating tsunamis.

Defects Are The Spices For Semiconductors

The significance of defects in semiconductors cannot be overstated, as they determine many crystal qualities and enable the creation of useful variability. The controlled substitution of host atoms by foreign atoms is a key idea in semiconductor materials engineering.

CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Imaging Studies Reveal Process Of Verbal Memory Formation

Researchers used fMRI to capture brain activity during verbal tasks, revealing specific structures involved in memory formation. The study found that increased activity in the left frontal and temporal lobes can predict whether participants will remember a word seen in the scanner.

Youths From Father-Absent Homes More Likely To Be Incarcerated

A recent study found that males from father-absent households face a significantly higher risk of incarceration, with odds almost three times as high as those from intact families. The presence of live-in grandparents in these households can help mitigate this risk.

Deep-Ocean Research Program Includes Four Pennsylvania Science Teachers

Four Pennsylvania science teachers participated in a research expedition to study hydrothermal vents and active volcanoes on the ocean floor. The teachers worked with international scientists to understand how communities of animals live on these structures and developed new lesson plans for their students.

New Genetics Of Cancer Educational Website Is On-line

The website provides a comprehensive educational program on genetics, genetic testing, diagnosis, counseling, and cancer risk assessment. It features three levels of education for different audiences and includes case scenarios, problem sets, and moderated discussion groups.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Duke Study Helps Explain How Cells Divvy Up Genes During Reproduction

Researchers at Duke University Medical Center have discovered a molecular motor mechanism that divides genes during cell reproduction. The discovery provides clues to infertility and birth defects, such as Down syndrome, by understanding how chromosomes are separated during cell division.

Gallium Nitride Boosts Transistor Power

Researchers at Cornell University have made significant progress in making gallium nitride transistors with output power of up to 2.2 watts per millimeter, promising to deliver hundreds of times more power at microwave frequencies.

Penn Researchers Find Mutation In Prostate Cancer Gene

Researchers at the University of Pennsylvania Cancer Center have identified a genetic mutation in the CYP3A4 gene associated with prostate cancer progression. Men carrying this mutation are nearly 10 times more likely to develop advanced tumors, highlighting the potential for targeted prevention strategies.

The USDA Develops Devices To Help Distribute Pest-Busters Around Fields

The USDA has developed two innovative devices to help farmers control insects that devastate their crops. The Aerodynamic Transport Body (ATB) is a clay pigeon-like catapult that launches parasitic wasps at high speeds, while the Mite Meter is an insulated dispenser that keeps tiny mites immobile until they hit the ground. These device...

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.

Additional Genetic Influence For Alzheimer's Disease Confirmed

Researchers have confirmed a genetic influence for Alzheimer's disease in families with high incidence of the disorder. The study identified a gene on chromosome 12 associated with an increased risk and susceptibility to late-onset Alzheimer's disease, offering new insights into the disease's causes.

Program Released On The Internet Can Allow Hackers To Take Control Of Computers

A group of hackers, the Cult of the Dead Cow, has released a malicious Back Orifice program that allows them to secretly control a machine over local networks or the Internet. The program can be downloaded without users realizing its presence, and once installed, it enables hackers to take control of the system like a puppet.

Media Briefing On "Survey 2000": Sociology Meets The Internet

The survey, a collaboration between National Geographic and distinguished sociologists, aims to map communities and change around the world. It will collect data from 18,000 participants and address how often people have moved, their role in communities, and the impact of geography on tastes.

Apple iPhone 17 Pro

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

Monkey Do, Monkey See ... Pre-Human Say?

Studies in monkeys reveal a neural mechanism for recognizing and sharing meaning through actions, supporting the idea that human speech evolved from ancient gestural communication. Researchers also found similar brain circuits in humans, linking hand movements to Broca's area.

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.

Gritty Research Leads Scientists To Metal-Loving Discovery

Scientists have developed SAMMS, a self-assembled monolayer on mesoporous support that selectively binds toxic or precious metals like mercury and lead. The technology has shown promise in cleaning up contaminated waterways and recovering valuable metals.

Scientists Discover How Influenza Virus Becomes More Deadly

Researchers have identified an unusual molecular mechanism that amplifies the disease-causing power of influenza A virus, potentially explaining its lethality in past pandemics. The discovery may lead to better understanding of pathogenesis and identification of new markers for predicting pandemic potential.

Milestone In Mitochondrial Structure Revealed

Researchers have determined the complete crystal structure of cytochrome bc1, a crucial protein complex in the mitochondrial respiratory chain. This breakthrough has provided detailed images of the complex at an unprecedented resolution of 3 angstroms, shedding light on its role in energy production for living cells.

Persistent Organic Pollutants, The Danger Is Not Over

New Swedish research reveals that even small doses of environmental pollutants can cause lifelong neurological disturbances in laboratory animals. The study also raises concerns about the impact on human babies, highlighting the need for continued vigilance in monitoring these toxic substances.

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C)

Anker Laptop Power Bank 25,000mAh (Triple 100W USB-C) keeps Macs, tablets, and meters powered during extended observing runs and remote surveys.

Michigan Agreement Puts Canola Motor Oil On Consumer'S Shelf

A partnership between Colorado State University and Michigan has made canola-based motor oil available to consumers, offering a cleaner alternative to petroleum-based oils. The oil reduces vehicle emissions by 30 percent and produces no hazardous waste.

Whole Grain Intake And Ischemic Heart Disease

A 10-year analysis of ischemic heart disease deaths among 34,492 postmenopausal women showed that those who consumed the most whole-grain had the lowest risk. The positive effect was attributed to increased intake of phenols, vitamins, and phytoestrogens.

Red Wine Consumption And Heart Disease

A study found that red wine polyphenols increased the lag time of LDL oxidation, decreased lipid peroxides and thiobarbituric acid-reactive substances, and boosted plasma and LDL polyphenols. Vitamin E supplementation also showed antioxidant effects, although with varying degrees depending on EDTA presence.

Antioxidant Vitamin Supplementation And Lipid Peroxidation In Smokers

Daily consumption of a tomato-based juice supplemented with vitamin C, vitamin E, and beta-carotene significantly decreased breath pentane excretion and improved LDL oxidation resistance. Increased plasma lycopene concentrations were also found to be correlated with antioxidant defenses.

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.

Investigating The Moon's Atmosphere

Scientists have identified several elements in the lunar atmosphere, including oxygen, silicon, and aluminum, but only in small amounts. The study aims to learn which other atoms the regolith may release and form part of the Moon's atmosphere.

New Research On Environmental Pollutants

Studies have shown that low doses of dioxin can cause spontaneous abortions, changes in the immune system, and developmental issues in animals. Fish are also being studied as models for understanding dioxin toxicity, with high levels of toxic pollutants found in northern environments, affecting polar bears, porpoises, and other species.

Educational Programs May Not Reduce Risk Of Sexual Assault

A recent study found that women who participated in a short sexual assault education program were just as likely to experience sexual assault as those who didn't participate. The research suggests that these programs may only help women learn more about sexual assault, without reducing the risk of assault.

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.

New Evidence Shows How Some Flu Viruses Become Lethal

Researchers at UW-Madison discovered a molecular mechanism that allows influenza viruses to cause sweeping damage throughout the body. The finding provides an additional marker for scientists to be aware of in their surveys of emerging viruses and may have broader implications in the virology field.

Program Helpful In Reducing Sexual Assault, Study Finds

A three-hour program reduced sexual assault rates by 20% compared to a control group. Women in the program were also less likely to be revictimized at six months follow-up. The program's effectiveness suggests it may help prevent sexual assault.

Testosterone Decreases HIV Fatigue, Improves Mood

Researchers found that testosterone injections significantly improved energy levels in 79% of HIV-positive men with low interest in sex and depressed mood. The treatment also boosted enjoyment and satisfaction with life, although the long-term effects remain unknown.

Researchers Discover Church Submerged In Ancient Port City

A team led by University of Colorado at Boulder Professor Robert Hohlfelder has discovered a 1,700-year-old Christian church submerged in shallow water off the coast of southern Turkey. The stone church, with an elaborate apse and multicolored mosaic, is likely the only underwater church known from that era.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Men Do Less Housework When Living With A Woman

A recent study by the American Sociological Association found that men tend to do less household chores when they live with a partner. The research suggests that this shift in domestic workload can have significant implications for relationships and overall well-being.