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Science News Archive October 2005 - Page 12


Page 12 of 16

Aussie blokes dying for a health policy, say UWS men's health experts

Experts from UWS Men's Health Information and Resource Centre argue that worsening men's health statistics are due to social causes such as education, socio-economic status, and housing stress. They advocate for a national health policy to address these underlying factors and improve men's health outcomes.

SourceResearch Australia·DateOct 10, 2005

Sperm trading can resolve hermaphrodite mating conflicts

Researchers found that hermaphroditic sea slugs can resolve mating conflicts by trading sperm with their mates. This behavior allows them to balance the costs and benefits of copulation between genders. The study provides new insights into the reproductive strategies of hermaphroditic animals.

SourceCell Press·JournalCurrent Biology·DateOct 10, 2005

Underlying cause of massive pinyon pine die-off revealed

Research revealed that a massive pinyon pine die-off in the Southwest was caused by hot and dry conditions, which are predicted by global climate change models. The study found that temperatures coupled with drought led to tree mortality, affecting ecosystems for decades.

SourceUniversity of Arizona·JournalProceedings of the National Academy of Sciences·DateOct 10, 2005
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.

Dreams prepare your emotions

This study explores the function of dreams during significant life changes, as reported by indigenous Surinamese and Australian tribes. The research findings suggest that dreams can provide comfort and guidance during difficult decisions and transitions, such as coming to terms with death or spiritual initiation.

SourceNetherlands Organization for Scientific Research·DateOct 10, 2005

Errors in cancer diagnosis put patients in harm's way

A study found that errors in cancer diagnosis were relatively frequent and institution-dependent, with gynecologic errors resulting in harm in 45% of cases. The majority of errors were caused by sub-optimal specimen collection, while pathologist misinterpretation ranged from 5-50%.

SourceWiley·JournalCancer·DateOct 10, 2005

North Sea efficient sink for carbon dioxide

The North Sea efficiently absorbs 8.5 million tonnes of carbon dioxide annually through both physical and photosynthetic processes. This represents 20% of the world's total CO2 uptake, highlighting coastal seas as more efficient absorbers than open oceans.

SourceNetherlands Organization for Scientific Research·DateOct 10, 2005

Fetal exposure to toxins could be behind rise in asthma

Research suggests fetal exposure to environmental toxins may contribute to the rising incidence of asthma and allergies. A more detailed two-generation screening is needed to understand the health risks associated with early life immunotoxicity.

SourceCornell University·DateOct 10, 2005
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.

Latest study: Scientists say no evidence exists that therapod dinosaurs evolved into birds

A team of scientists led by Dr. Alan Feduccia found that fossilized patterns resembling feathers are more likely skin-related tissues, contradicting the theory of feathered dinosaurs. The study also revealed embryos of developing birds have distinct wing structures, making it unlikely for birds to evolve from flightless dinosaurs.

SourceUniversity of North Carolina at Chapel Hill·JournalJournal of Morphology·DateOct 10, 2005

EBCT scans trump angiography at detecting killer heart defect

A study has found that EBCT scans can detect congenital abnormalities, including coronary artery anomalies, more accurately than traditional catheter angiography. This is especially important as it helps identify patients at risk of a heart attack or sudden death.

SourceSaint Louis University·JournalCatheterization and Cardiovascular Interventions·DateOct 10, 2005

OHSU studies program that converts patient wishes into medical orders

The study aims to assess the extent of use of the program in three states, compare it to traditional end-of-life care planning, and examine its impact on symptom management. Researchers will gather data through phone surveys and medical chart reviews to inform strategies for improving end-of-life programs nationwide.

SourceOregon Health & Science University·DateOct 10, 2005
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.

Rensselaer engineer joins team to study levee failures in New Orleans

A team of experts is investigating the damage caused by wind-driven waves and overtopping, as well as emergency patch effectiveness and decision-making processes behind levee configurations. The study aims to improve levee design to withstand potential terrorist attacks and natural disasters.

SourceRensselaer Polytechnic Institute·DateOct 10, 2005

Penn study finds direct role for glial cells in brain cross-talk

A recent Penn study found that astrocytes, a type of star-shaped glial cell, play a direct role in regulating communication between neurons. The study suggests that astrocytes modulate the level of adenosine, a signaling molecule involved in controlling wake-to-sleep transitions and epileptic seizures.

SourceUniversity of Pennsylvania School of Medicine·JournalScience·DateOct 10, 2005
Apple iPhone 17 Pro

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

Eating fish associated with slower cognitive decline

A six-year study found that consuming one or more fish meals per week was associated with a slower rate of cognitive decline. The study, which analyzed data from over 1,000 Chicago residents aged 65 and older, suggests that eating fish may help protect against age-related cognitive decline.

SourceJAMA Network·JournalArchives of Neurology·DateOct 10, 2005

Russia as a bride

Research by Ellen Rutten explores how Russia has been portrayed as a young woman of flesh and blood, with a focus on the role of the state and intellectual elite. The study reveals that modern writers have increasingly emphasized the sexual dimension of this metaphor, assigning it to Russian rulers from Lenin to Putin.

SourceNetherlands Organization for Scientific Research·DateOct 10, 2005

Brain regulates initial stages of sex change in social fish

Researchers found that brain aromatase levels influence aggression and sex hormone conversion in social fish. The study suggests that social cues initiate the sex change process in the brain, leading to behavioral and gonadal transformation.

SourceEmory University Health Sciences Center·DateOct 10, 2005

Fatty foods fight inflammation

Researchers have discovered that eating fatty foods can dampen inflammation in the gut by stimulating the production of cholecystokinin, a hormone that sends signals to the brain and immune cells. This process may provide a way to reduce inflammatory complications after surgery.

SourceJournal of Experimental Medicine·JournalJournal of Experimental Medicine·DateOct 10, 2005
Celestron NexStar 8SE Computerized Telescope

Celestron NexStar 8SE Computerized Telescope combines portable Schmidt-Cassegrain optics with GoTo pointing for outreach nights and field campaigns.

Did feathered dinosaurs exist?

Recent discoveries in China have led to new questions about the claim of direct derivation between birds and theropod dinosaurs. Researchers found no evidence for protofeathers on dinosaurs and suggest decomposition patterns may be mistaken for feathers.

SourceWiley·JournalJournal of Morphology·DateOct 10, 2005

New technique adds precision and permanence to gene therapy

Researchers at Mount Sinai School of Medicine have developed a new gene therapy technique that permanently corrects genetic diseases like PKU by inserting genes into specific sequences between existing genes. The technique was tested on mice and successfully cured the disease with just three intravenous injections.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalProceedings of the National Academy of Sciences·DateOct 10, 2005

Stroke treatment a step closer after trial

Researchers at the University of Manchester have shown that IL-1ra protects brain cells from injury and death in laboratory studies. The first small trial of IL-1ra in patients has demonstrated promising results, which may lead to a full trial next year to test its effectiveness.

SourceUniversity of Manchester·DateOct 10, 2005
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.

Heme controls antioxidants and iron in ferritin

A new study finds that heme regulates ferritin gene expression, controlling both iron and antioxidant metabolism. This discovery could lead to treatments for various chronic illnesses.

SourceChildren's Hospital & Research Center Oakland·JournalProceedings of the National Academy of Sciences·DateOct 10, 2005

Chilean success defies Bush doctrine

Research by Lucian Peppelenbos reveals that Chile's free market economy is built on centuries-old patriarchal structures, providing opportunities for small businesses and unskilled laborers. Despite inefficiencies, this system ensures access to the world market for small farmers.

SourceNetherlands Organization for Scientific Research·DateOct 10, 2005

AIDS inflicts specific pattern of brain damage, reveals UCLA/Pittsburgh imaging study

Researchers found that AIDS selectively attacks the brain's motor, language and judgment centers, but leaves other areas intact. Brain scans revealed specific patterns of tissue damage correlated with physical and mental symptoms, including impaired motor coordination and slowed reflexes.

SourceUniversity of California - Los Angeles·JournalProceedings of the National Academy of Sciences·DateOct 10, 2005

Moderate exercise yields cardiovascular benefits

A moderate exercise regimen, equivalent to 12 miles of brisk walking per week, can significantly improve fitness levels and reduce cardiovascular disease risks. The study found that even slight increases in intensity or duration yield greater health benefits.

SourceDuke University Medical Center·DateOct 10, 2005
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.

Women in 'male' careers still face barriers - New report

A new report reveals women in 'male' careers still face significant barriers, including institutional sexism and lack of female scientist role models. The study found only one in ten women work in research and development jobs, compared to 60% of men. To address this, the report recommends establishing a platform for female scientists,...

SourceNewcastle University·DateOct 10, 2005

CT colonography versus colonoscopy for colorectal cancer

A study found that CT colonography can detect cancer lesions and polyps with nearly the same sensitivity as colonoscopy, avoiding fatal perforations but potentially leading to more cancer-related deaths. The method's higher cost is offset by its non-invasive nature and appeal to patients.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateOct 10, 2005
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.

Eyes may provide window to future strokes

Researchers discovered that Australians with small blood vessel changes in their eyes were 70% more likely to experience a stroke over seven years. The study's findings suggest that eye examinations could help predict stroke risk, providing a potential window for early intervention.

SourceAmerican Academy of Neurology·JournalNeurology·DateOct 10, 2005

Same-sex mating by fungi spawned infection outbreak, evidence suggests

Researchers found that mating between two less harmful fungal strains of the same sex produced a more virulent form, which has taken hold and is spreading. The fungus, C. gattii, infects individuals with normal immunity, causing symptoms like persistent headaches and coughing.

SourceDuke University Medical Center·JournalNature·DateOct 9, 2005

Shorter colds, milder flu may follow from newly revealed immune mechanism

Researchers have identified a protein called CCL5 that protects macrophages from premature death during respiratory viral infections, allowing them to continue fighting the infection. This discovery may lead to new methods to hasten recovery and reduce symptoms of influenza and the common cold.

SourceWashU Medicine·JournalNature Medicine·DateOct 9, 2005
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Scientists pinpoint inflammation gene

Researchers have discovered the SEPS1 (Selenoprotein S) gene's role in inflammation, which is a common component of many human disorders. The study found that a genetic variation in the SEPS1 gene can lead to higher levels of inflammation and increased risk of diseases like cardiovascular disease and Type 2 diabetes.

SourceMedical College of Wisconsin·JournalNature Genetics·DateOct 9, 2005

Viagra's hidden help for wildlife

Research shows that Viagra reduced demand for seals, sea horses, and tigers used in TCM treatments. The study surveyed 256 Chinese men aged 50-76, finding more men previously used TCM treatments than current users.

SourceUniversity of New South Wales·JournalEnvironmental Conservation·DateOct 9, 2005
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.

Cells from amniotic fluid used to tissue-engineer a new trachea

Scientists from Boston Children's Hospital successfully engineered tracheas using mesenchymal stem cells from amniotic fluid, allowing fetal lambs to breathe spontaneously after birth. This breakthrough technique aims to fix life-threatening tracheal defects in utero.

SourceBoston Children's Hospital·JournalJournal of Pediatric Surgery·DateOct 8, 2005

Scientists learn to predict protein-stabilizing ability of small molecules

Researchers at UTMB use thermodynamic calculations to predict the ability of various osmolytes to protect proteins in cells under stress. This technique has significant implications for understanding protein folding and unfolding processes in disorders like Alzheimer's disease.

SourceUniversity of Texas Medical Branch at Galveston·JournalProceedings of the National Academy of Sciences·DateOct 7, 2005
DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

IODP Tahiti sea level expedition gets underway

Scientists on the IODP Tahiti expedition are analyzing fossil corals to study past global sea level changes and their impact on climate. The research aims to understand the effects of human activity on Earth's environment by examining coral records from a tectonically stable region.

SourceIntegrated Ocean Drilling Program Management International·DateOct 7, 2005

Simulations predict savings from more airtight buildings

Researchers simulated conditions of three building types in six cities and found that improved air tightness would result in energy savings ranging from 9-37%. The study suggests that increased airtightness can lead to smaller but still significant cost savings in warmer climates.

SourceNational Institute of Standards and Technology (NIST)·DateOct 7, 2005

Gold nanoparticles show potential for noninvasive cancer treatment

Researchers have discovered that gold nanoparticles can selectively target and kill cancer cells by absorbing light, offering a potential solution for early detection and treatment of various cancers. The technique is simple, inexpensive, and non-toxic to human cells.

SourceUniversity of California - San Francisco·JournalCancer Letters·DateOct 7, 2005

Researchers reveal basis for debilitating hereditary disease

Scientists generate 3D image of coproporphyrinogen oxidase (CPO) at atomic level, shedding light on mutations causing hereditary coproporphyria. The study provides insights into the heme biosynthesis pathway and its role in rare diseases.

SourceUniversity of Texas Health Science Center at Houston·JournalProceedings of the National Academy of Sciences·DateOct 7, 2005
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.

Fat rat enables studies of debilitating vascular disease

A mutant rat model is being used to study the early vascular changes caused by obesity, which can lead to peripheral vascular disease. The research aims to prevent this condition and improve quality of life for those affected.

SourceMedical College of Georgia at Augusta University·DateOct 7, 2005

National Institutes of Health renews Genomatix License

The NIH has renewed its license with Genomatix, expanding the contract to include Microarray analysis Package ChipInspector. This move strengthens research capabilities in gene expression and regulation, facilitating high-level scientific results.

SourceGenomatix Software GmbH·DateOct 7, 2005

Better measurements reveal seasonal changes in sulfur

Researchers from UMD and NIST developed a new analytical tool based on thermal ionization mass spectrometry (TIMS) to study seasonal changes in sulfur particulate composition. The technique requires much smaller snow samples than standard analysis techniques, allowing for more precise measurements of sulfur isotopes.

SourceNational Institute of Standards and Technology (NIST)·DateOct 7, 2005

Limiting resident physician work-hours might save money

Reducing resident physician work-hours may lead to significant cost savings, with estimates suggesting $673 million to $1.1 billion in annual savings nationwide. To break even or save money, however, harmful errors would need to decrease by 19-31%.

SourceUniversity of California - Los Angeles·JournalJournal of General Internal Medicine·DateOct 7, 2005
Fluke 87V Industrial Digital Multimeter

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