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Science News Archive 2012


Page 198 of 333

Alberto now a tropical depression, seen by NASA

Alberto weakened from a tropical storm to a tropical depression as seen by NASA's Aqua satellite. The National Hurricane Center expects it to continue moving northeast and speed up, eventually becoming a post-tropical remnant low pressure area.

Latest research examines colorectal cancer risk factors

Researchers found that patients prefer colonoscopy over computed tomography colonography, despite its more invasive nature. The study highlights the importance of a patient's experience in the process of colonoscopy and suggests that colonoscopy is the preferred test for screening average-risk patients.

Harvard team cracks code for new drug resistant superbugs

Scientists have determined the genetic sequences of all 12 available strains of vancomycin-resistant Staphylococcus aureus bacteria, which acquired resistance independently after acquiring a specific transposon. The findings may lead to new ways to prevent and treat infection by MRSA, VRSA, and VRE.

Apple iPhone 17 Pro

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

UC San Diego Superfund Research Program receives $15 million grant renewal

The UC San Diego Superfund Research Program has received a $15 million grant renewal to continue studying the molecular and genetic consequences of toxicant exposure from Superfund sites. The program aims to develop novel biological models to define how toxicants cause disease and find effective ways to remediate.

Psychological Science explains uproar over prostate-cancer screenings

Research in Psychological Science explores public reaction to task force recommendations, citing factors such as anecdotes and perception of medical treatments. The study suggests that changing the public's view on prostate-cancer screenings may require pictorial displays to help evaluate data more effectively.

Wrongful convictions can be reduced through science, but tradeoffs exist

A new report in Perspectives on Psychological Science explores the tradeoffs of reforms to eyewitness identification procedures, finding that reducing false identifications can also lower correct identifications. Reforms aim to minimize suggestive practices and increase reliability, but may compromise accuracy.

Study highlights how Twitter is used to share information after a disaster

A North Carolina State University study analyzed Twitter posts about the Fukushima Daiichi nuclear plant after the 2011 disaster, finding that while people shared information quickly, it often lacked context and analysis. The study suggests that social media haven't significantly changed the content of our communications, but rather ho...

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.

Scientists start explaining Fat Bastard's vicious cycle

Research at the University of Montreal Hospital Research Centre reveals that high-fat diets can cause chemical reactions in the brain similar to illicit drugs, leading to depression. Mice studies show signs of anxiety and depression after a higher-fat diet, with altered brain chemistry and hormone levels.

Vitamin C improves pulmonary function in newborns of pregnant smoking women

A new study has found that vitamin C supplementation in pregnant women who are unable to quit smoking significantly improves pulmonary function in their newborns. Daily use of vitamin C (500 mg/day) improved peak tidal expiratory flow and respiratory compliance, returning them nearly to the levels seen in non-smokers.

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.

How ion bombardment reshapes metal surfaces

Researchers developed a new model to understand collective behavior of defects during ion bombardment, revealing three mechanisms: dual layer formation, subway-glide mode growth, and adatom island eruption. This breakthrough enables predictive design capability for controlling surface patterns and stresses in nanotechnology products.

Alcohol intake in the elderly affects risk of cognitive decline and dementia

Longitudinal studies suggest that light-to-moderate alcohol consumption may lower the risk of cognitive decline and dementia by approximately 35-45%. Moderate drinking patterns may also offer cardiovascular benefits. However, further research is needed to understand the optimal pattern of drinking for protection against cognitive decline.

Refining fire behavior modeling

Fine-scale measurements can be incorporated into models to reduce wildfire hazard in the southeast, according to a new study published in Forest Ecology and Management. The research focuses on methods that incorporate hundreds of fuel observations into tools used by managers to assess wildfire potential.

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.

New initiative aims to increase mobility for disabled children worldwide

The Lifelong Mobility Project, led by Mercyhurst College's David Dausey, aims to increase mobility for disabled children in developing nations. The project uses the 4R model to recycle, reuse, repair, and retrofit wheelchairs, reducing waste and increasing access to education and social opportunities.

Early-life risk factors for non-Hodgkin lymphoma

A Swedish national cohort study of over 3.5 million people found that genetics, high fetal growth rate, and family history contribute to NHL incidence in adolescents. Low birth order and older maternal age also play a key role.

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.

Researchers take virus-tracking software worldwide

Researchers have restructured their virus-tracking software to allow for modular development and integration with other applications. The new implementation enables public health scientists to update maps on the evolution and spread of pathogens, facilitating better deployment of resources to protect citizens and forces in the field.

Stem cell research paves way for progress on dealing with Fragile X retardation

Researchers at Hebrew University of Jerusalem have successfully generated neuronal cells from stem cells of Fragile X patients, paving the way for restoration of normal gene expression. The study identified a chemical compound, 5-azaC, that can clear methyl groups and reactivate FMR1 gene expression in both stem and neuronal brain cells.

New frog species from Panama dyes fingers yellow

A new bright yellow frog species, Diasporus citrinobapheus, has been found in western Panama with a unique characteristic of dyeing its captor's fingers yellow when handled. The researchers studied the frog's body structure, coloration, and vocalizations to confirm its validity as a new species.

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.

Novel biomarkers reveal evidence of radiation exposure

Researchers identified novel biomarkers in rat feces after radiation exposure, which persisted for at least 21 days. These findings hold promise for rapid, accurate diagnosis of radiation exposure, enabling timely resource allocation for patients in need of intervention.

Array of light for early disease detection?

Researchers are developing protein microarray technology to identify early signs of diseases such as diabetes and cancers. This technique allows for the simultaneous analysis of thousands of proteins, facilitating high specificity and reduced cost.

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.

Bee pollen supplements can cause anaphylactic reactions

A case study reported a severe anaphylactic reaction to bee pollen in a woman with seasonal allergies. The authors warn healthcare providers and patients about the potential risk of allergic reactions to bee pollen supplements, particularly among individuals with no known allergy history.

Newly discovered breast milk antibodies help neutralize HIV

Researchers at Duke University Medical Center isolated antibodies from breast milk that can generate neutralizing antibodies to help inhibit the HIV virus in infants. The study's findings may help develop immune system prophylaxis during breastfeeding for mothers infected with HIV-1.

Study reveals sarcoidosis-related mortality rates among black women

A recent study has found that sarcoidosis accounts for 25% of all deaths among black women with the disease, emphasizing the need for early detection and treatment. The study also highlights the severity of pulmonary disease in black women with sarcoidosis, with respiratory failure being a leading cause of death.

Light pollution transforming insect communities

Research by the University of Exeter finds that light pollution is transforming communities of insects, with more predators and scavengers found near artificial lights. This could have a knock-on effect on entire ecosystems, including birds and mammals that rely on these species for food.

Fluke 87V Industrial Digital Multimeter

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

Vitamin C improves lung function in newborns of pregnant smoking women

A new study at Oregon Health & Science University finds that daily Vitamin C supplementation improves pulmonary function tests in newborns born to pregnant smoking women, potentially altering the fetal origins of respiratory disease. The treatment may block some effects of smoking on lung development.

Revised ARDS definition sets out levels of severity

A revised definition of acute respiratory distress syndrome (ARDS) includes a distinction between severe and less advanced cases, allowing for earlier detection and intervention. The new guidelines are based on evidence from over 4,000 patients and have the potential to improve treatment outcomes.

Research reveals new clue in fight against TB in cattle

A parasitic flatworm called Fasciola hepatica hinders the diagnosis of bovine tuberculosis (TB) in cattle by reducing the sensitivity of skin tests. This study found that liver fluke infection can create false negatives for TB, allowing infected cattle to continue transmitting the disease.

Neuron-nourishing cells appear to retaliate in Alzheimer's

Researchers discovered that astrocytes, which normally nourish and protect neurons, deliver a lethal package containing ceramide and PAR-4 when neurons start producing excessive amyloid protein. This process may contribute to brain-cell death and shrinkage in Alzheimer's disease.

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.

Late-breaking clinical trials

Seven late-breaking clinical trials presented at ATS 2012 examined treatments for ventilator-associated pneumonia, cardiac surgery associated kidney injury, septic shock, idiopathic pulmonary fibrosis, smoking cessation, malignant pleural effusion, and non-cystic fibrosis bronchiectasis. Results showed that shorter courses of doripenem...

Children failing asthma therapy may have severe asthma with fungal sensitization

A new study suggests that a significant proportion of children with asthma failing Step 4 or greater therapy may have severe asthma with fungal sensitization. Children with this condition were found to be older, have higher serum IgE levels, and perform worse on pulmonary function tests compared to those without the condition.

Reversible doping: Hydrogen flips switch on vanadium oxide

Researchers find a new method to reversibly change VO2's behavior by exposing it to hydrogen, altering its electronic and structural properties. The findings could lead to better understanding of the material's physics and potential applications in ultrasensitive sensors.

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.

Modifying scar tissue can potentially improve outcome in chronic stroke

Researchers at the Buck Institute have found that modifying scar tissue can potentially improve outcomes in chronic stroke. The study builds on spinal cord injury research and shows that treatments like chondroitinase ABC and glypican can reduce scar tissue size, stimulate neuron growth, and increase survival.

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.

Vitamin D + TB vaccine: Allies in fight against bladder cancer?

Researchers have found that a combination of vitamin D therapy and the BCG vaccine greatly improves bladder cancer survival in a mouse model, with 100% of mice surviving. The study aims to improve treatment outcomes for patients who do not respond to traditional BCG immunotherapy.

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.

NASA Goddard delivers magnetometers for NASA's next mission to Mars

The NASA Goddard Space Flight Center has delivered magnetometers for NASA's Mars Atmosphere And Volatile EvolutioN (MAVEN) mission. The instruments will measure the magnetic field on Mars, helping scientists understand particle motion and the solar wind's interaction with the planet's atmosphere.

Physical properties predict stem cell outcome

Researchers at Brown University have discovered that the stiffness, viscosity, and other mechanical properties of adult stem cells can foretell what they will become, enabling a filter to extract needed cells from larger tissue samples. This breakthrough could lead to better healing outcomes in tissue engineering.

Biomarker predicts response to cancer treatment

Researchers have identified a biomarker that can predict which patients will benefit from bevacizumab treatment. The variant in DNA found in blood samples of cancer patients showed predictive value for treatment with bevacizumab, potentially allowing for patient-tailored use of the drug and increasing the chances of survival.

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.