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Science News Archive 2009


Page 170 of 277

Investigating the development of mechanosensitivity

Scientists have directly elucidated the emergence of mechanosensitivity in mice, finding it arises during specific developmental phases with the growth of neuronal pathways. The study suggests a genetic program drives this process, which is distinct from pain sensitivity development.

Apple iPhone 17 Pro

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

Canadian men reluctant to consult mental health services

A recent study published in the Journal of Behavioral Health Services & Research found that Canadian men are reluctant to seek mental health services, with avoidance rates ranging from 20-70%. The primary cause cited is prejudice, which affects how men perceive their symptoms and social roles, leading to a reluctance to utilize services.

Recovery funds will support evaluation of suicide prevention training

The National Institute of Mental Health is using Recovery Act funds to evaluate the effectiveness of a new training program for telephone crisis counselors. The training, which began in 2008, aims to assess the benefits of the training and shape telephone-based suicide prevention services across the country.

A potential drug for liver carcinoma

Researchers discovered a novel compound, ADFMChR, with potent anti-tumor activity against human liver carcinoma cells. The compound induces apoptosis and modulates key proteins, providing new insights into its potential as a cancer-preventive agent.

A novel marker of colorectal carcinoma

A novel marker of TSPAN1 has been identified as a significant prognostic indicator for patients with colorectal adenocarcinoma. The protein's expression was found to correlate with histological grade, cell proliferation, lymph nodal metastasis, and TNM staging, leading to a shorter survival period in those with overexpression.

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.

Why the thumb of the right hand is on the left hand side

The concentration of Hedgehog determines whether the right hand thumb grows on the left hand side, a mechanism controlled by different concentrations of the molecule. The study found that cells use various molecular mechanisms to interpret different Hedgehog concentrations.

A first choice of renal function tests in hepatectomy patients

The study found that estimated glomerular filtration rate (eGFR) equations, particularly eGFR5 and eGFR3, are reliable preoperative renal function tests for patients undergoing hepatectomy. These equations were compared to creatinine clearance (Ccr), with significant differences in postoperative serum creatinine levels

Tips from the American Journal of Pathology

Two studies in the American Journal of Pathology demonstrate stromal caveolin-1 as a prognostic marker for breast cancer progression, correlating with reduced metastasis levels. Additionally, researchers have identified novel biomarkers for chronic kidney disease progression, predicting progressive renal fibrosis and glomerular filtrat...

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.

Biodiversity beyond the habitat's borders

Researchers found that connecting habitat patches with corridors increases plant biodiversity in protected areas and surrounding non-target habitats. This spillover effect can elevate biodiversity by up to 160%.

Democracy spreading in Africa despite challenges, survey finds

Despite growing demand for democracy, only 47% of Africans believe they have a democratic government, and 46% are satisfied with its functioning. The survey found that demand for democracy varies widely among countries, from 18% in Burkina Faso to 71% in Zambia.

New 3-D structural model of critical H1N1 protein developed

Researchers at the Bioinformatics Institute in Singapore have created a 3D structural model of the neuraminidase protein, which is critical to the H1N1 influenza A virus. This breakthrough analysis revealed extensive surface mutations compared to closely related strains, making previous flu vaccinations less effective. The study also f...

Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

Mayo Clinic researchers examine the psychological impact of child abuse

A Mayo Clinic study reveals a history of child abuse significantly impacts the challenges faced by depressed inpatients, including increased suicide attempts and psychiatric hospitalizations. The research highlights the importance of aggressive approaches to prevent child abuse and stresses the need for more public health initiatives.

Diabetics' heart attack risk can be reduced, research finds

Research published in The Lancet found that diabetics who maintain intensive, low blood sugar levels are significantly less likely to suffer heart attacks and coronary heart disease. This is due to a 17% reduction in heart attacks and a 15% reduction in coronary heart disease.

Celestron NexStar 8SE Computerized Telescope

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

Scientists discover genetic defects linked with rare bearded lady

Scientists have identified genetic mutations on chromosome 17q24.2-q24.3 as responsible for Congenital Generalized Hypertrichosis Terminalis (CGHT), a rare condition characterized by excessive hair growth and facial distortion. The discovery provides new insight into the molecular mechanisms underlying this condition.

Personal discrimination on the Web

Researchers developed a system to extract subjective expressions from web pages, scoring them for subjectivity and indicating whether they express personal opinions or marketing speak. The method outperformed general search engines in detecting personal opinion pages across four categories.

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.

Web-based program designs more efficient farm terrace layouts

A new web-based program developed by University of Missouri researchers produces multiple alternative terrace layouts in a fraction of the time required for manual planning. The system considers factors such as water flow, land perimeter, and soil conservation techniques to create efficient and cost-effective designs.

NIST helping improve speed measurements for cars, bullets

Researchers at NIST developed formulas to help law enforcement officers accurately calibrate down-the-road radar devices and ballistic chronographs. The new tools provide more precise speed measurements, improving the effectiveness of crime-fighting technologies.

Sleeping through dialysis: No nightmare for kidney patients

A new study shows that overnight dialysis is a viable alternative for patients with irreversible kidney disease, offering improved health outcomes and reduced healthcare burden. The long-term results of this therapy were found to be well-tolerated by most patients, with lower rates of anemia and reduced levels of urea in their blood.

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.

The cosmos is green: Researchers catch nature in the act of 'recycling' a star

Researchers observe transformation of an ordinary, slow-rotating pulsar into a superfast millisecond pulsar with an almost infinitely extended lifespan. The discovery provides direct evidence for the process of cosmic recycling, where matter from a companion star falls into a pulsar's gravity well, increasing its rotation speed.

Elderly women with 'dowager's hump' may be at higher risk of earlier death

A recent study published in Annals of Internal Medicine found that elderly women with hyperkyphosis, or 'dowager's hump,' are at a higher risk for premature death. The study, which analyzed data from over 610 women, suggests that the increased spinal curvature itself may be predictive of adverse health outcomes.

New direction needed for obesity research, Deakin health expert claims

Deakin health expert Professor Boyd Swinburn argues that research funding should focus on testing potential solutions rather than understanding the causes of weight gain. He suggests 'rule-based' approaches, such as dietary rules or policies, may be more effective in preventing obesity and promoting sustainable environmental changes.

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.

Mockingbirds in fickle climates sing fancier tunes

In diverse habitats, species in variable climates sing more complex tunes, indicating environmental adaptability. This connection reveals that birds may use song complexity as a display of learning ability and intelligence.

More than a bad night's sleep

A recent study published in Diabetes Care found that nearly 87 percent of obese individuals with type 2 diabetes were undiagnosed with sleep apnea, despite reporting symptoms. This association is alarming as untreated sleep apnea can increase the risk of heart disease and stroke.

Telemedicine may improve care for school children with diabetes

A study published in The Journal of Pediatrics found that telemedicine improves diabetes care for school children with better blood sugar control and reduced hospital visits. School nurses who used the program reported improved patient outcomes, including increased patient satisfaction and completed tasks related to their diabetes care.

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.

Gene therapy could expand stem cells' promise

Researchers discuss a combined approach to maximize the benefits of stem cell therapy while minimizing risks. Gene therapy has the potential to solve the problem of wayward stem cells wreaking havoc after transplantation by genetically modifying them prior to use.

Getting more from whole-transcript microarrays

Researchers demonstrate that Affymetrix Gene platform can analyze differential splicing activity, comparable to Exon arrays, providing added value to existing data. The new statistical method, FIRMAGene, uses adjacent poorly fitting probes to calculate differential expression.

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.

When climate is iffy, birds sing a more elaborate tune

Researchers found that birds in more unpredictable climates have more impressive singing skills, likely as a way to attract mates. The study suggests that this phenomenon may be an evolutionary adaptation for traits like language and music.

CT scan to help scientists diagnose role of clouds in climate

Researchers are using a novel 'cloud tomography' approach to reconstruct three-dimensional cloud structure. The team will use a network of sensors to probe clouds' thermal emission and measure other characteristics, providing insights into the role of clouds in regulating Earth's radiation energy budget.

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.

First of its kind study identifies risk factors for LRTIs in Inuit children

Researchers found that Inuit infants are four times more likely to be admitted for LRTI than mixed or non-Inuit infants, with risk factors including smoking during pregnancy, overcrowded living conditions, and not being breastfed. Immunizing rural Inuit infants with the Palivisumab vaccine could save up to $8,000 per admission avoided.

Jungle yeast

Scientists have identified a new species of yeast, Candida carvajalis sp. nov, with potential applications in sustainable biofuel production and the food industry. The discovery was made in the Amazon jungle and highlights the importance of preserving biodiversity.

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.

'Missing link': Revealing fast-spinning pulsar mysteries

Astronomers have discovered a unique double-star system that represents a 'missing link' stage in the birth process of millisecond pulsars. The system, J1023, shows evidence for an accretion disk surrounding the neutron star before it disappeared and the pulsar emerged.

Breast cancer etiology may vary by subtype

Research suggests different invasive breast cancer subtypes have distinct etiologic pathways and prognoses. Patients with specific subtypes exhibit varying demographics, lifestyle traits, and risk factors, highlighting the need for refined tumor subtyping to elucidate development patterns.

Regulating the sugar factory in diabetes

Researchers have identified a gene that controls abnormal sugar production in the liver, a major problem for people with diabetes. The study found that ARNT is decreased in both insulin-producing cells and liver cells of people with Type 2 diabetes.

Fluke 87V Industrial Digital Multimeter

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