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Science News for March 11, 2009


Cell pathway on overdrive prevents cancer response to dietary restriction

Whitehead Institute researchers have identified a cellular pathway that determines whether cancerous tumors are susceptible to dietary restriction. The study found that permanently activated PI3K pathway allows tumors to grow independent of food consumption, while normal functioning leads to tumor shrinkage.

SourceWhitehead Institute for Biomedical Research·JournalNature·DateMar 11, 2009
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.

Researchers identify a process that regulates seed germination

Researchers at Purdue University have identified a process called sumoylation that regulates gene activity involved in seed germination and seedling development. The study found that sumoylation is essential for controlling significant plant characteristics, including freeze tolerance and phosphate absorption.

SourcePurdue University·JournalProceedings of the National Academy of Sciences·DateMar 11, 2009

Researchers discover a new pathway that regulates inflammation

Researchers at the University of Illinois identified a novel pathway controlling NF-kappa B activity, a key protein involved in inflammation. This finding could have important implications for treating diseases linked to chronic inflammation.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalThe EMBO Journal·DateMar 11, 2009

Study finds long-term ozone exposure raises the risk of dying from lung disease

A nationwide study found that long-term exposure to elevated ground ozone significantly raises the risk of dying from lung disease. The risk is more than 30 percent greater in metropolitan areas with high ozone concentrations compared to those with low concentrations.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalNew England Journal of Medicine·DateMar 11, 2009
Meta Quest 3 512GB

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

The ideal measurements of a pre-Roman model

Metrological analysis of ancient houses reveals the use of standard models that were ingeniously adapted to suit individual situations. Architects used geometric figures and proportions to design homes for Pompeii's elite, resulting in unique solutions for each client.

SourceNetherlands Organization for Scientific Research·DateMar 11, 2009

New test successfully identifies life-threatening heart disease

Researchers developed a new immunohistochemical test that accurately diagnoses ARVC, a condition characterized by muscle cell replacement with fatty deposits and fibrosis. The test has the potential to identify patients at risk of sudden death and exclude other causes of arrhythmias.

SourceBeth Israel Deaconess Medical Center·JournalNew England Journal of Medicine·DateMar 11, 2009

New therapy protects lungs from runaway inflammation

Researchers develop anti-inflammatory therapy that blocks NF-kappa-B's movement into the nucleus, preventing excessive lung inflammation and damage. The treatment showed effectiveness in a mouse model of acute lung injury, offering hope for improved therapies for life-threatening pneumonia.

SourceVanderbilt University Medical Center·JournalMolecular Therapy·DateMar 11, 2009

Wishful betting can contaminate financial markets, study shows

Researchers found that wishful bettors can contaminate beliefs throughout markets, causing investors with accurate beliefs to become overly optimistic about stock values. This contagion problem could contribute to market bubbles and other anomalies.

SourceUniversity of Texas at Austin, McCombs School of Business·JournalManagement Science·DateMar 11, 2009

Soil and sediment contamination assessment more accurate

A new study by León Paumen has improved the accuracy of risk assessments for soil and sediment contamination. The research found that prolonged exposure to Polycyclic Aromatic Compounds (PACs) can lead to unpredictable effects on life cycles, contradicting previous assumptions about gradual effects.

SourceNetherlands Organization for Scientific Research·DateMar 11, 2009
Apple iPhone 17 Pro

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

Under pressure, atoms make unlikely alloys

Scientists discover that cerium and aluminum can form a previously impossible alloy under extreme pressure, creating new material properties. The delocalized electrons cause the atoms to collapse in volume, allowing them to nestle together and form an alloy.

SourceCarnegie Institution for Science·JournalProceedings of the National Academy of Sciences·DateMar 11, 2009

Does humor on the Internet mold political thinking?

A study on humor in geopolitics found that disposition theory helps understand who finds certain content funny and how it shapes global worldviews. The analysis of comedian Jeff Dunham's skits on Achmed the Dead Terrorist reveals the impact of internet communication technologies on humor dissemination.

SourceSpringer·JournalGeoJournal·DateMar 11, 2009

MIT battery material could lead to rapid recharging of many devices

Researchers at MIT have developed a new processing technique that allows for the rapid transit of electrical energy through lithium iron phosphate batteries, enabling faster charging times. The breakthrough could lead to smaller, lighter batteries with improved performance and longer lifespan.

SourceMassachusetts Institute of Technology·JournalNature·DateMar 11, 2009

Right whale sedation enables disentanglement effort

A North Atlantic right whale was administered a sedation mixture, allowing rescuers to remove 90% of the entangling gear. The new sedation delivery system enabled the team to successfully free the animal in two days, improving the chances of its survival.

SourceWoods Hole Oceanographic Institution·DateMar 11, 2009

American adults flunk basic science

A national survey reveals that only one-in-five American adults can answer three basic science questions correctly. This lack of scientific literacy poses significant challenges to addressing pressing issues like climate change and resource management, emphasizing the importance of investment in science research and education.

SourceCalifornia Academy of Sciences·DateMar 11, 2009
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.

Los Alamos researchers create 'map of science'

The research, led by Johan Bollen, created a high-resolution graphic depiction of the virtual trails scientists leave behind when they retrieve information from online services. The map reveals unexpected relations between scientific domains and emerging relationships capturing the collective interest of the scientific community.

SourceDOE/Los Alamos National Laboratory·JournalPLOS ONE·DateMar 11, 2009

Study shows prevalence of anergia in people with failing hearts

Researchers found significant discrepancies between self-reported fatigue and actigraphy readings, suggesting a link between heart failure, sleep disorders, and impairments in health-related quality of life. The study may lead to different approaches to patients suffering from anergia or 'lack of energy'.

SourceColumbia University Irving Medical Center·JournalJournal of Cardiac Failure·DateMar 11, 2009

Researchers predict click-through behavior in Web searches

A study by Penn State researchers identified nine factors that can help predict future click-through rates, including number of records in a search and browser type. The positive factors had five effects, while four had negative effects, with user intent having no significant impact on predicting click-throughs.

SourcePenn State·JournalJournal of the American Society for Information Science and Technology·DateMar 11, 2009

Genes identified that are linked to spinal disc degeneration

Two University of Alberta researchers have discovered eight genes directly related to disc degeneration, providing valuable insights into its biological mechanisms. The study's findings may lead to effective interventions for individuals prone to spine problems, such as those with obesity or genetic susceptibility.

SourceUniversity of Alberta·JournalArthritis & Rheumatism·DateMar 11, 2009
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.

Study finds cannabis use, dangerous driving behaviors interrelated

A new Université de Montréal study found that thrill-seeking young men are more likely to drive under the influence of cannabis and engage in reckless driving. The study, which analyzed data from 83 male participants, discovered that 30% of cannabis users reported at least one incidence of reckless driving in the previous 12 months.

SourceUniversity of Montreal·JournalAccident Analysis & Prevention·DateMar 11, 2009

Nanowires may lead to better fuel cells

Researchers at the University of Rochester have developed long, thin platinum nanowires that could improve the performance of fuel cells. The wires are designed to provide a larger surface area for catalysis, reducing the loss of platinum particles during fuel cell operation.

SourceUniversity of Rochester·JournalNano Letters·DateMar 11, 2009

Explaining trends in heart attack

Researchers found a decrease in heart attack diagnoses using ECG, while biomarker-based diagnoses increased, contributing to stable hospitalization rates. Additionally, cardiogenic shock incidence declined over 30 years, likely due to reperfusion therapy and primary angioplasty.

SourceEuropean Society of Cardiology·JournalCirculation·DateMar 11, 2009
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.

Person-centered care reduces agitation in people with dementia

A study found that person-centered care and dementia-care mapping reduce agitation in people with dementia, but no significant improvements in quality of life or neuropsychotic symptoms. Person-centered approaches are more cost-effective and can be easily implemented in residential care homes.

SourceThe Lancet_DELETED·JournalThe Lancet Neurology·DateMar 11, 2009

Iron induces death in tumor cells

Researchers found that high levels of iron cause oxidative stress and lead to the death of cancer cells. The study suggests a novel approach for treating cutaneous T cell lymphoma by selectively releasing iron.

SourceHelmholtz Association·JournalCancer Research·DateMar 11, 2009

Consuming a little less salt could mean fewer deaths

A recent study suggests that significantly reducing daily salt intake can have a profound impact on heart disease cases and deaths. By lowering salt consumption by just 3 grams per day, researchers estimate that nearly half a million fewer new heart disease cases and over 200,000 fewer deaths could occur in the US over a decade.

SourceAmerican Heart Association·JournalCirculation·DateMar 11, 2009

Obesity linked to dangerous sleep apnea in truck drivers

A new study confirms obesity-driven testing strategies can identify commercial truck drivers with high likelihood of obstructive sleep apnea, suggesting mandatory screenings could reduce truck crashes. The study also highlights the need for prohibition of 'doctor shopping' to ensure drivers receive treatment.

SourceLifespan·JournalJournal of Occupational and Environmental Medicine·DateMar 11, 2009
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.

Smokers' COPD risk is genetic

Researchers found five single nucleotide polymorphisms (SNPs) in ADAM33 that were more frequent in COPD patients than non-COPD smokers. These polymorphisms, particularly S1, are associated with lung abnormalities and progressive decline in lung function characteristic of COPD.

SourceBMC (BioMed Central)·JournalRespiratory Research·DateMar 11, 2009
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 supports toxoplasmosis link to schizophrenia

Scientists at the University of Leeds have discovered a link between toxoplasmosis and schizophrenia, suggesting that the parasite affects dopamine production in the brain. The study provides new insights into the development of schizophrenia and its potential connections to other neurological disorders.

SourceUniversity of Leeds·JournalPLOS ONE·DateMar 11, 2009

RWJF launches $19 million public health law research program

The Robert Wood Johnson Foundation has launched a new $19 million research program to investigate the impact of laws on public health. The program, led by Temple University's James E. Beasley School of Law, will focus on pressing health challenges such as infectious and chronic diseases, and health emergencies like floods and epidemics.

SourceBurness·DateMar 11, 2009

Shining light on diabetes-related blindness

Researchers have developed a new way to detect early stages of diabetic retinopathy using beams of light to measure blood flow in the back of the eye. This technique may provide a more quantitative and less invasive method for diagnosing the condition, potentially cutting costs.

SourceOptica·JournalOptics Express·DateMar 11, 2009

Anesthesia or hypothermia: Warning for Alzheimer's patients

New research published in The FASEB Journal suggests that slight dips in brain temperature can cause an increase in abnormal tau protein, which is associated with Alzheimer's disease. This finding highlights the need for caution when anesthetizing patients with Alzheimer's or at risk of developing the disease.

SourceFederation of American Societies for Experimental Biology·JournalThe FASEB Journal·DateMar 11, 2009

Reward elicits unconscious learning in humans

A new study reveals that reward-induced stimulus pairing can elicit visual learning in adults without conscious awareness of the stimulus presentation or reward contingencies. This suggests that automatic reinforcement mechanisms rather than directed attention drive improvements in sensory skills.

SourceCell Press·JournalNeuron·DateMar 11, 2009
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.

New computer models successfully link donors and kidney transplant patients

Researchers developed computer-generated chains of kidney transplantations that start with altruistic donors, providing a viable alternative to paired donations. The models assign values to donor characteristics, generating pairings based on similar scores and overcoming issues in the matching market.

SourceBoston College·JournalNew England Journal of Medicine·DateMar 11, 2009

Caltech neuroscientists map intelligence in the brain

Researchers created detailed brain maps using MRI and CT scans of 241 patients with cognitive impairment. The study found that verbal comprehension and working memory indices share overlapping brain regions, suggesting they may represent the same type of intelligence.

SourceCalifornia Institute of Technology·JournalNeuron·DateMar 11, 2009

Study finds link between atrial fibrillation and an increased risk of death in diabetic patients

A large-scale trial found that diabetic patients with atrial fibrillation have a significantly higher risk of death from cardiovascular causes. The study suggests that aggressive treatment with blood pressure-lowering drugs can reduce this risk, and highlights the importance of identifying undiagnosed AF in diabetic patients.

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal·DateMar 11, 2009

UTMB study shows dramatic growth in number of hospitalists

A recent UTMB study found a dramatic increase in the number of hospitalists, from 5.9% to 19% of internal medicine physicians between 1995 and 2006. Hospitalist care has grown substantially across different diagnoses and hospital sizes, with regional variations also observed.

SourceUniversity of Texas Medical Branch at Galveston·JournalNew England Journal of Medicine·DateMar 11, 2009
Celestron NexStar 8SE Computerized Telescope

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

Close relationships can perpetuate individual health problems

A new study reveals that smoking habits are deeply intertwined with relationship dynamics, with couples experiencing increased positive emotions and synchrony when both partners smoke. This finding highlights the importance of considering social factors in health interventions.

SourceWiley·JournalFamily Process·DateMar 11, 2009

University of Miami physicist develops battery using new source of energy

Researchers at the University of Miami and Japan have proven the existence of a 'spin battery', a device that stores energy in magnets, potentially leading to faster, less expensive, and more efficient computer hard drives and car batteries. The technology uses nano-magnets to induce an electromotive force without chemical reactions.

SourceUniversity of Miami·JournalNature·DateMar 11, 2009

1 in 7 US teens is vitamin D deficient

A new study finds that more than half of African-American teens are vitamin D deficient, with girls at higher risk and overweight teens nearly double their normal-weight counterparts. The researchers highlight the importance of educating the public on vitamin D's benefits and consider national fortification strategies.

SourceNewYork-Presbyterian·JournalPEDIATRICS·DateMar 11, 2009
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.

Texas-sized tract of single-celled clones

A Rice University study has confirmed a world-record colony of amoebae clones measuring at least 12 meters across in a Texas cattle pasture. The discovery provides insights into the evolution of cooperative behavior in microorganisms like Dictyostelium discoideum.

SourceRice University·JournalMolecular Ecology·DateMar 11, 2009

Climate change reduces nutritional value of algae

Research shows that higher CO2 concentrations in freshwater micro-algae lead to a reduction in their nutritional value, affecting the small animals that eat them. This can have detrimental effects on the entire underwater food chain, influencing ecosystems and potentially leading to changes in aquatic species distribution.

SourceNetherlands Organization for Scientific Research·DateMar 11, 2009

Oxford's Dr. Rosalind Rickaby receives 2009 Rosenstiel Award

Dr. Rosalind Rickaby, a biogeochemist at Oxford University, has been awarded the 2009 Rosenstiel Award for her groundbreaking research on marine phytoplankton and their impact on the Earth's climate. Her innovative approaches are helping to establish a record of the influences these microorganisms have had on the planet.

SourceUniversity of Miami Rosenstiel School of Marine, Atmospheric, and Earth Science·DateMar 11, 2009

Study suggests blood test for Alzheimer's possible

A study by researchers at the University of Georgia found a direct relationship between two specific antibodies and the severity of Alzheimer's disease symptoms. The team detected higher levels of these antibodies in patients' blood samples, which could lead to an early diagnosis and potentially improve patient quality of life.

SourceUniversity of Georgia·DateMar 11, 2009

'Short-sleepers' may develop blood sugar abnormality that can lead to diabetes

Researchers found that participants who slept less than six hours a night were 4.56 times more likely to convert from normal blood sugar levels to impaired fasting glucose compared to those getting six to eight hours of sleep. This association suggests a link between inadequate sleep and the development of type 2 diabetes.

SourceAmerican Heart Association·JournalCirculation·DateMar 11, 2009
Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.

NASA's Fermi telescope reveals best-ever view of the gamma-ray sky

The new map combines nearly three months of data from NASA's Fermi Gamma-ray Space Telescope, offering an unparalleled look at the high-energy cosmos. The image reveals flares from supermassive black holes in distant galaxies and pulsars, as well as a globular cluster in our own Milky Way galaxy.

SourceNASA/Goddard Space Flight Center·DateMar 11, 2009

Polarizers may enhance remote chemical detection

Researchers at the University of Illinois Chicago have developed a method to filter out interfering signals in LIBS, allowing for more accurate analysis of suspected bombs and other hazardous materials. By using polarizing filters, they improved sensitivity while reducing costs.

SourceUniversity of Illinois Chicago·JournalOptics Letters·DateMar 11, 2009
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.

Long, sexy tails not a drag on male birds

Studies show that male hummingbirds with long tails experience only a minimal cost in speed or energy, with a 3.4% drop in maximum flight speed. The researchers argue that the benefits of attracting females outweigh the costs of having long tail feathers.

SourceUniversity of California - Berkeley·DateMar 11, 2009

Consumers stop buying as number of options increase

A study published in Psychology & Marketing found that when people have too many similar options, they are more likely to leave a store without making a choice. The researchers suggest that this phenomenon, known as the 'choice overload effect,' can affect people's ability to decide in certain situations.

SourceWiley·JournalPsychology and Marketing·DateMar 11, 2009

New greenhouse gas identified

A new study identifies sulfuryl fluoride as a significant contributor to future greenhouse warming due to its long lifetime of 36 years. The gas is currently present in the atmosphere at very small quantities, but increasing emissions pose a risk.

SourceMassachusetts Institute of Technology·DateMar 11, 2009

NOAA: Atmospheric 'sunshade' could reduce solar power generation

A new NOAA study warns that injecting particles into the stratosphere could inadvertently decrease peak electricity generated by large solar power plants. This is due to the reduction of direct sunlight, which is crucial for these systems to function efficiently.

SourceNOAA Headquarters·JournalEnvironmental Science & Technology·DateMar 11, 2009
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.

Crickets may predict human survivability during global warming

A study led by UCF scientist Wade Winterhalter uses cricket reproduction patterns to predict the impact of global warming on humans. The research combines global warming models with biological predictions, simulating daily and seasonal temperature changes in crickets over a six-degree Celsius increase.

SourceUniversity of Central Florida·DateMar 11, 2009

Enterprising school management leads to more effective schools

A recent study found that enterprising school management teams stimulate a development-focussed school culture, resulting in better school effectiveness. The study, conducted by Gerdy ten Bruggencate, analysed data from over 100 high schools in the Netherlands.

SourceNetherlands Organization for Scientific Research·DateMar 11, 2009

An end to fear

A team of Dutch researchers successfully reduced the fear response in human volunteers using beta-blocker propranolol. The treatment weakened fear memories, allowing them to be erased from long-term memory. This breakthrough has implications for treating anxiety disorders and offers a new approach to intervention.

SourceNetherlands Organization for Scientific Research·JournalNature Neuroscience·DateMar 11, 2009
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.

Don't follow us, we're lost too

Panicos Demetriades, a renowned economist, argues that the current global financial crisis presents an opportunity for governments to take a more proactive role in finance. He suggests that countries should adopt policies that prioritize the public interest over the narrow interests of financial institutions. This could involve nationa...

SourceEconomic & Social Research Council·DateMar 11, 2009