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Science News Archive January 2010


Page 14 of 20

How galaxies came to be: Astronomers explain Hubble sequence

Dr Andrew Benson and Dr Nick Devereux's research reveals the evolutionary history of the universe, explaining galaxy shapes and numbers. Their 'Lambda Cold Dark Matter' model suggests that dark matter haloes drive galaxy evolution, with elliptical galaxies resulting from multiple mergers.

Apple iPhone 17 Pro

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

Stable climate and plant domestication linked

A new study argues that a stable climate, rather than climate change, played a crucial role in the emergence of agriculture in the Near East. The research suggests that farming communities chose crops that functioned within the normal east Mediterranean rainfall pattern, allowing for sustainable farming practices during drought years.

Study casts doubt on caffeine link to tinnitus

A recent study challenges the claim that caffeine aggravates tinnitus, finding no significant improvement in symptoms from caffeine abstinence. Instead, participants experienced increased symptoms during acute withdrawal phases.

2 nurses emerge as leaders in informatics

Two nurses, Ellen Makar and Sandra Ng, have been selected as emerging leaders in nursing informatics through the Alliance for Nursing Informatics (ANI) program. They will participate in a mentorship opportunity and complete various projects to develop their skills.

Significant urban-rural disparities in injury mortality seen in China

A new study found that rural males are 47% more likely to die from injuries than their urban counterparts, while rural females face a 33% higher risk of injury-related mortality. The disparity is attributed to various factors such as unintentional suffocation in infants and suicide among older adults.

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 stroke therapy successful in rats

Scientists have discovered a protein that can restore motor function in rats with impaired mobility after a stroke, with administered directly to the brain showing 99% regain. The intranasal method also demonstrates significant behavioral improvements and regenerative anatomical process.

Newer treatment for Achilles tendon disorder does not appear to be effective

A new study published in JAMA found that a platelet-rich plasma injection did not significantly improve pain or activity levels in patients with chronic Achilles tendinopathy. The study included 54 patients who received either a PRP injection or a saline placebo, and found no significant difference between the two groups after 24 weeks.

UW-Madison scientists create super-strong collagen

Researchers created super-strong collagen with improved stability, which could treat conditions like arthritis by mimicking natural collagen. The new collagen holds together at high temperatures and has a similar three-dimensional structure to natural collagen.

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.

Second round of gefitinib may be promising lung cancer therapy

A recent study suggests that retreating patients with non-small cell lung cancer who initially responded to gefitinib treatment could lead to additional partial responses and stable disease. The overall disease control rate was 66.7 percent in the retreatment group, offering hope for patients who have failed initial chemotherapy.

EGFR gene signature predicts non-small cell lung cancer prognosis

A 93-gene signature associated with EGFR mutations in tumors from lung cancer patients was found to be a favorable prognostic marker for early stage lung cancer. The signature is also linked to drug sensitivity to erlotinib and gefitinib in non-small cell lung cancer cell lines.

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.

When work interferes with life

Researchers found that educated individuals and professionals report more work interference with personal life, highlighting the 'stress of higher status'. Long hours also contribute to work-life imbalance, but only among those with control over their schedules.

Drug with unique disruption of tumor blood flow shows promise

Phase II study results of ASA404 showed improved overall survival in patients with squamous and non-squamous NSCLC compared to chemotherapy alone. The drug's unique mechanism of action inhibits tumor blood flow, providing a potential new treatment option for limited options.

Dementia linked to high blood pressure years earlier

Research from the University of Pittsburgh Graduate School of Public Health found that high blood pressure is associated with white matter abnormalities in the brain, which can lead to dementia. Women who had hypertension at age 65 were more likely to develop dementia eight years later.

Scientists find amazing new pondlife on nature reserve

Researchers have discovered over 30 species of invertebrates and 100 single-celled organisms at the East Stoke Fen nature reserve. The findings highlight the importance of protecting 'cryptic biodiversity', which helps natural ecosystems recover from environmental change.

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.

New research findings can improve avian flu surveillance programs

USGS scientists identify Northern Pintail birds with genetic variations closely related to Eurasian influenza viruses, highlighting the need for targeted surveillance efforts. The study proposes refining priority species lists based on genetic analysis to reduce time and effort in surveillance sampling.

In early heart development, genes work in tandem

Scientists discovered that Gata5 gene cooperates with Gata4 to direct the heart's normal structure formation during early development. This finding contributes to understanding how heart defects may occur in humans.

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.

Scientists find 'missing link' between heart failure and environment

A study published in PLoS ONE found a correlation between DNA methylation and heart failure, suggesting that environmental factors may play a key role in the development of the disease. The researchers compared DNA from diseased hearts with healthy hearts and found distinct 'marks' on the genome

Sunflower genome holds the promise of sustainable agriculture

A new research project will sequence and annotate the sunflower genome to locate genes responsible for agriculturally important traits. The goal is to develop a hybrid variety of sunflower that can thrive in challenging environments, making it suitable for subsistence agriculture in Africa and North America.

Chromosomes make a rapid retreat from nuclear territories

Researchers discovered that human chromosomes can reorganize their territories surprisingly quickly, taking up to 15 minutes to complete, when transitioning from proliferation to quiescence. This rapid process is driven by an energy-driven mechanism involving nuclear actin-myosin motor function.

New ethical guidance from ACP for patient-physician-caregiver relationship

The American College of Physicians has issued a position paper to guide ethical relationships among patients, physicians, and caregivers. The paper outlines four primary principles for physicians to consider when collaborating with patients and caregivers, including respect for patient dignity and effective communication.

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.

More accurate diagnosis for leading cancer killer in children may be possible

Researchers have discovered genetic differences in pediatric brain tumors that can help explain tumor development and potentially lead to targeted treatments. The study identified a subset of malignant astrocytomas with specific genetic alterations, which may enable more individualized care for children with brain cancer.

'Longevity gene' helps prevent memory decline and dementia

Researchers found a 'longevity gene' associated with slower cognitive decline and reduced risk of dementia and Alzheimer's disease. The CETP gene variant alters protein function, leading to higher HDL cholesterol levels and increased protection against age-related illnesses.

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.

Carnegie Mellon scientists crack brain's codes for noun meanings

Neuroscientists and computer scientists identified how the brain arranges noun representations, using a neural Rosetta Stone. The three basic features of the brain's dictionary concern physical interaction, eating, and shelter or enclosure. This discovery has implications for treating psychiatric and neurological illnesses.

Spinal cement may provide real support for cancer patients

A University of Leeds research project aims to develop new treatments for multiple myeloma patients, using techniques such as injecting cements into the spine. The study seeks to improve quality of life for patients suffering from this incurable bone marrow cancer.

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.

New hope for therapy in heartburn-related cancer

Researchers have found that an anti-Alzheimer's drug can halt the growth of Barrett's oesophagus and even destroy mutant tissue, providing a potential cure for oesophageal cancer. The study, published in Disease Models & Mechanisms, offers new hope for therapy in heartburn-related cancer.

$1 million from NIH continues cell growth regulation studies

Researchers at Florida Institute of Technology are awarded a four-year, $1.024 million NIH grant to continue their studies on cell growth regulation and its implications for human health. The funding will support the development of novel inhibitors that could be used to combat antibiotic-resistant bacterial diseases and treat cancer.

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.

Ongoing human evolution could explain recent rise in certain disorders

Research suggests that certain adaptations that once benefited humans may now be helping such ailments persist in spite of advancements in modern culture and medicine. Evolutionary perspectives integrated into medical curricula could help future physicians understand health problems from an evolutionary perspective.

UC Davis study: Butterflies reeling from impacts of climate and development

A new analysis led by UC Davis expert Arthur Shapiro reveals that climate change and habitat loss are devastating butterfly populations, with lowland species being hit hard. The study's findings also show that 'ruderal' butterfly species, often considered insignificant, are declining faster than other species.

Genetic variant associated with aggressive form of prostate cancer

Researchers have discovered a genetic variant associated with aggressive prostate cancer, which may help identify men at risk of developing the disease. The study found that this genetic marker was present in 25% more men with aggressive disease than those with slow-growing disease.

Mercyhurst expands research of beach water quality

The college has received a $20,000 grant from the Pennsylvania Coastal Zone Management Program to further study contaminants in Presque Isle State Park's recreational waters. Researchers aim to quantify hazardous chemicals like Triclosan and Fluoxetine to ensure water quality and public health

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.

Got cognitive activity? It does a mind good

A large national study from Brandeis University found that intellectual activities undertaken regularly can make a difference in maintaining memory. Those with low education who engaged in reading, writing, attending lectures, doing word games or puzzles regularly had memory scores similar to people with more education

A deadly scorpion provides a safe pesticide

Prof. Michael Gurevitz's research isolates genetic sequences for neurotoxins in scorpion venom and develops methods to produce and manipulate toxins for restricted toxicity in certain insects or mammals. This work paves the way for a new, ecologically sound pest control method.

Faster and more efficient software for the US Air Force

Researchers have developed an algorithm and open source tool that reduces current software testing time by 300 times, increasing the efficiency of software testing across systems. The 'Just Enough Testing' project aims to re-use test results across different systems, reducing testing time for single systems.

Mango effective in preventing, stopping certain colon, breast cancer cells

Researchers at Texas A&M AgriLife Communications discovered that mango polyphenols can prevent or stop growth of certain breast and colon cancer cells. The study found that the fruit's antioxidants had a significant impact on these specific types of cancer, with some cell lines undergoing programmed cell death.

Fluke 87V Industrial Digital Multimeter

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

Captured by true crime

Research in Social Psychological and Personality Science suggests that women's fascination with true crime stems from a desire to learn strategies for prevention and survival. The study found that women are more likely to be drawn to true crime books than men, as they seek to understand warning signs and escape tips.

Impact of FDA safety warnings examined

A study examines the effect of FDA safety warnings on atypical antipsychotics prescribed to patients with dementia, revealing a decline in usage among the elderly population. The findings highlight the need for improved risk communication between physicians and patients.

Discovery provides new drug targets for malaria cure

Researchers have identified a set of proteins related to the malaria parasite that can serve as new drug targets. The discovery uses a plant-based model, Arabidopsis, to understand how these proteins normally function, which could lead to the development of more effective antimalarial drugs.

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.

JCI online early table of contents: Jan. 11, 2010

Researchers question the safety of gene therapy targeting I-1c in treating heart failure after finding it can cause abnormal heartbeats and sudden death. Additionally, a study reveals that certain anticancer drugs can cause heart failure by triggering PDGFR-beta signaling in heart muscle cells.