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Science News Archive July 2007


Page 2 of 16

Military to study better pain relief in battle zones

University of Michigan scientists are creating nanoparticles that can deliver morphine to wounded soldiers faster and more safely. The goal is to develop tiny drug-bearing particles that a fellow soldier could inject with a pen-like device, even in combat.

The unexpected consensus among voting methods

A new study published in Psychological Science found strong support for consensus among instant runoff and three classic voting methods: Condorcet, Borda count, and Plurality. This contradicts past research that highlighted worst-case scenarios and the mathematical impossibility of a single universally 'best' election method.

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.

Use of increasingly popular treatment for wound healing questioned

The clinical effectiveness of topical negative pressure therapy for wound healing is unclear, according to a review by the BMJ Specialty Journals. The technique has been used to treat various types of wounds, but many studies have been flawed, casting doubt on its validity and reliability.

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.

Africa: International volunteer impact small, but significant

A recent study published in Human Resources for Health found that international health volunteers have a positive impact on capacity building and resource allocation in low-income countries. However, junior and inexperienced NGO volunteers often lack the necessary skills and knowledge to work effectively in these settings.

Hopkins team develops first mouse model of schizophrenia

Researchers created a genetically engineered mouse that models both anatomical and behavioral defects of schizophrenia, a complex brain disorder. The new mouse is based on a genetic change in the DISC1 gene, which affects nerve cell function, and shows characteristic defects in brain structure and behavior.

Blacks who kill whites are most likely to be executed

A new study found that African Americans on death row for killing non-whites are less likely to be executed than other condemned prisoners. Blacks who kill whites face a higher risk of execution, with a disparity in execution rates based on the race of victims.

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.

Consumer electronics, fuel cell research to benefit from UH advancements

Researchers at the University of Houston are presenting new material innovations that have potential applications in consumer electronics and fuel cell research. These advancements include hybrid nanomaterials for energy conversion devices, a Pd membrane reactor to convert fuels into hydrogen for electricity production in fuel cells.

Farmers unhappiest of all self-employed workers

A study published in Occupational and Environmental Medicine reveals that farmers scored lowest on measures of productivity, health status, and quality of life. Despite having more control over their work, farmers experience high levels of stress and need increased social and emotional support.

Jan Löwe awarded 2007 EMBO Gold Medal

Jan Löwe's groundbreaking research elucidated the structure and function of proteins involved in bacterial cell division, showcasing the complexity and sophistication of bacterial cells. His work highlights the importance of structural biology in understanding fundamental biological mechanisms.

Apple iPhone 17 Pro

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

CeaseFire receives $1.7 million grant to expand outside of Illinois

The Chicago Project for Violence Prevention has received a $1.7 million grant to expand CeaseFire, a public health and epidemic control approach, to cities outside of Illinois. The program will be implemented in Baltimore, Cincinnati, and Newark, N.J., and aims to reduce shootings and killings through community mobilization and outreach.

Race plays a role in disability in older adults with arthritis

A new study found that racial disparities play a significant role in the development of disability among older adults with arthritis. The study, which included over 7,200 respondents, showed that African Americans and Hispanic/Spanish groups experienced significantly higher rates of disability compared to whites.

AERA scholar examines historical record behind a 'color-blind' constitution

According to historian James Anderson, the Fourteenth Amendment and recent Supreme Court decisions prohibit race-conscious school assignment. Anderson's article debunks the myth of a 'color-blind' US Constitution by examining historical records of Reconstruction legislation and its impact on citizenship and equal rights.

Caffeine and exercise can team up to prevent skin cancer

A Rutgers study found that moderate caffeine intake combined with exercise can protect against UVB radiation-induced skin damage. Apoptosis rates increased by 95% in caffeine drinkers, 120% in exercisers, and nearly 400% in those who drank and exercised.

Apple Watch Series 11 (GPS, 46mm)

Apple Watch Series 11 (GPS, 46mm) tracks health metrics and safety alerts during long observing sessions, fieldwork, and remote expeditions.

Learning to evolve: With a little help from my ancestors

A new theory proposes that learning skills, such as flying, accelerates the evolution of innate abilities in birds by creating a latent memory that reduces the need for future generations to learn. This is achieved through the use of distributed representations in neural networks, which allows for faster evolution of adaptive behaviors.

A potential new disease-modifying drug for osteoarthritis

Researchers found that oral calcitonin effectively protects against articular cartilage degradation and surface erosions in ovariectomized rats, a model for postmenopausal women. Calcitonin worked better than estrogen therapy, preventing cartilage erosions completely.

Disparities in infant mortality not related to race, study finds

A study by University of Illinois Chicago researchers found that low birth weights among African-American women are more closely related to racism, stress, and socioeconomic factors than genetics. The report highlights the impact of institutional and interpersonal discrimination on infant health outcomes.

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.

Genomics study provides insight into the evolution of unique human traits

A recent genomics study has identified genes and gene families associated with human traits such as endurance running and cognitive function. The study found that gene copy number variations in humans may have contributed to the evolution of these traits, with some genes being unique to the human lineage.

Drug improves symptoms of severe Alzheimer's disease

A six-month study found that a medication initially used for mild to moderate Alzheimer’s disease improved memory and global function in people with severe Alzheimer’s disease. Cognitive tests showed stabilization or improvement in 63% of participants taking the drug compared to 39% on placebo.

Parents seeking sex abandon 1 in 3 offspring

A study published in Journal of Evolutionary Biology found that penduline tit parents frequently abandon 1 in 3 clutches of eggs to pursue new mates. This unique breeding strategy allows for improved reproductive success but also poses risks for the young.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Research shows NPD1 protects a key component of vision

Scientists at LSU Health Sciences Center have discovered that NPD1 protects against RPE cell damage by triggering its synthesis and regulating its release. The research also found that NPD1 can counteract the effects of A2E, a toxic component that accumulates in the retina during aging and retinal degenerations.

MIT team building robotic fin for submarines

The MIT team has successfully built a mechanical fin that can propel a submarine like a bluegill sunfish. The fin uses a propeller-driven system and is made of a cutting-edge polymer that conducts electricity.

Prenatal exposure to tobacco smoke raises blood pressure in infants

Infants born to mothers who smoked during pregnancy had substantially higher systolic blood pressures compared to those whose mothers didn't smoke and weren't exposed to smoke. The study, which controlled for various factors, found a direct association between maternal smoking and newborn systolic blood pressure.

July/August 2007 Annals of Family Medicine tip sheet

A four-year study of 1,869 women found that the Active Management of Risk in Pregnancy at Term approach resulted in lower cesarean delivery rates compared to traditional care. Preventive labor induction also appeared to lower adverse birth outcomes. The findings challenge current beliefs about labor induction and suggest a preventive a...

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.

Hip and knee replacements rarely performed in patients over 100

A new study found that hip and knee replacements are rarely performed in patients over 100 due to concerns about short-term life expectancy. However, the research suggests that these procedures should not be denied solely based on age and that the benefits may outweigh the risks.

Wider buffers are better

A US EPA study found that wider vegetated borders around streams are the most effective way to protect wetlands from nitrogen pollution. The study showed that wide buffers (>50 meters) removed more nitrogen than narrow buffers (0-25 meters), and that herbaceous and forest vegetation were more effective when wider.

MIT model could predict cells' response to drugs

A new MIT model can predict how cells will respond to targeted drug therapies, enabling better treatment choices for individual patients. The model is based on similarities in cell signaling pathways and could help test the effectiveness of drugs for various diseases.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Congenital diaphragmatic hernia

Research suggests that congenital diaphragmatic hernia does not disrupt pulmonary surfactant maturation in human fetuses, contrary to previous findings. The study provides new insights into the development of this complex condition.

Zebrafish: It's not your parents' lab rat

A team of researchers at Rice University studied the gene LMO4 in zebrafish, discovering its role in regulating brain growth and development. They found that overexpression of the gene led to shrinkage of brain areas, while underexpression caused their enlargement.

Researchers think pink to produce 'green' solar energy

Researchers at Ohio State University have developed new pink dye-sensitized solar cells with half the efficiency of commercially available silicon-based solar cells, but at one quarter of the cost. The new materials use complex metals and novel particle shapes to boost electricity production.

Religious doctors no more likely to care for underserved patients

A large survey of US physicians found that religious doctors are slightly less likely to practice medicine among the underserved than secular colleagues. Despite this, many religious physicians describe their practice as a calling and report intangible rewards from serving vulnerable patients.

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.

Immune response in melioidosis

Researchers found that only Toll-like receptor 2 (TLR2) played a significant role in the immune response to Burkholderia pseudomallei, a gram-negative bacterium causing melioidosis. This discovery suggests that inhibiting TLR2 may be a potential treatment strategy for this severe infection.

Lithium and bone healing

Researchers discovered a novel molecular pathway involved in bone healing and found that lithium can activate it, but only when treatment is given after the fracture occurs. The study showed accelerated bone healing in mice with activated '-catenin signaling pathway.

Reading ability protects brain from lead exposure

A study published in Neurology found that reading ability is a protective factor against the negative effects of lead exposure on the brain. Workers with higher reading levels showed less cognitive decline compared to those with lower reading abilities.

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.

Comparatively low levels of air pollution boost early death risk

A study in Great Britain found that even low levels of air pollution boost the chances of an early death, especially from respiratory diseases. The research, which spanned over 16 years, revealed strong links between black smoke and sulphur dioxide with increased risk of mortality.

Negative effects of plastic's additive blocked by nutrient supplements

A new study found that pregnant mothers taking folic acid or genistein supplements can protect their offspring from the negative effects of BPA, a common chemical used in plastics. The study showed that even low levels of BPA exposure can cause epigenetic changes in offspring, leading to increased disease susceptibility.

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.

Research links genetic mutations to lupus

A recent study published in Nature Genetics has found a genetic mutation linked to systemic lupus erythematosus, a complex autoimmune disease. The discovery identifies variations of the TREX1 gene as a risk factor for developing lupus, shedding new light on its causes and potentially paving the way for new treatments.

Genetic finding sheds light on diseases causing blood vessel breakdown

Scientists have linked a genetic disorder to mutations in the TREX1 gene, which may also be relevant to common health problems like diabetes and vascular dementia. The discovery could accelerate efforts to understand and treat retinal vasculopathy with cerebral leukodystrophy, a rare condition that causes vision loss and mini-strokes.

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.

System to analyze beating heart stem cells could lead to heart attack treatments

Researchers are developing a new system to analyze beating heart stem cells, which could lead to more detailed information on their electrical activity and potentially facilitate their use in regenerating damaged hearts. The team aims to engineer a novel system for real-time analysis of cardiomyocytes during early development.

Graphene sniffs out dangerous molecules

Researchers have created graphene-based devices that can detect individual molecules of a toxic gas, offering potential applications for detecting hidden explosives and deadly carbon monoxide. The discovery was made by Dr Kostya Novoselov and Professor Andre Geim at the University of Manchester.

Strains of laboratory mice more varied than previously thought

Researchers found that the genetic variation in laboratory mice is vastly greater than previously thought, with 8.3 million variations described. The pedigrees of the 15 mouse strains studied differ from each other to a far greater degree than previously assumed.

Work-family stress studied among immigrant Latinos

A recent study found that Latino immigrants working in low-wage jobs report infrequent work-family conflict due to their collective culture's emphasis on work as a means to ensure family well-being. In contrast, women from the same background experience higher levels of conflict due to societal expectations of their caregiving roles.