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Science News Archive 2010 - Page 267


Page 267 of 283

Green energy management

Researchers identified a phosphatase enzyme that removes phosphate from LHCII proteins, allowing for the balance of light energy between two photosystems. This discovery has practical implications for improving plant growth and potentially reducing energy bills.

SourceLudwig-Maximilians-Universität München·JournalPLOS Biology·DateJan 27, 2010

Researchers find leukemia cells metabolize fat to avoid cell death

Researchers discovered leukemia cells rely on fatty acid metabolism to grow and survive. Inhibiting this process makes them vulnerable to drugs that induce cell death, providing a potential new approach to treating leukemia and other cancers.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalJournal of Clinical Investigation·DateJan 27, 2010

Brain scientists extend map of fear memory formation

Researchers have extended the fear map to include the prelimbic cortex, revealing its importance in emotional regulation. The study found that mice lacking a critical growth factor in the prelimbic cortex struggle to remember to fear electric shocks, suggesting a potential link to anxiety disorders.

SourceEmory Health Sciences·JournalProceedings of the National Academy of Sciences·DateJan 27, 2010
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.

Even mild kidney disease harms a child's quality of life

Researchers found that even mild to moderate kidney disease can lead to physical, emotional, intellectual, and social challenges in children. Children with chronic diseases currently do not qualify for special education until their scores decline dramatically. Early attention to quality-of-life issues is crucial.

SourceJohns Hopkins Medicine·JournalPEDIATRICS·DateJan 27, 2010

Antibiotic found to protect hearing in mice

Researchers discovered that a commonly used antibiotic, kanamycin, protects mouse ears from noise-induced hearing loss when given in low doses. The finding has significant implications for the development of new treatments and could benefit groups such as premature babies, soldiers, and airline workers.

SourceWashU Medicine·JournalJournal of the Association for Research in Otolaryngology·DateJan 27, 2010

News brief: Childhood survivors of CNS cancers and leukemia have lowered educational attainment

A recent study found that childhood cancer survivors who had brain or central nervous system cancers, or leukemia, achieved lower-than-expected educational success. The study, which analyzed data from over 10,000 survivors, revealed significant differences in educational attainment between these groups and the general population.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateJan 27, 2010

Integrating private insurance with public health would improve US health care -- study

Researchers propose national health trust to promote optimal mix of personal medical care and population health measures, reducing inefficiencies and administrative waste. The proposed system would target spending to investments with the greatest long-run returns, improving US healthcare outcomes.

SourceAmerican Associates, Ben-Gurion University of the Negev·JournalAmerican Journal of Public Health·DateJan 27, 2010

Walkerton Tragedy: 10 years of research leads to breakthrough

Researchers have identified genetic risk markers for post-infectious irritable bowel syndrome (PI-IBS) in victims of the Walkerton tainted drinking water tragedy. The study, led by McGill PhD Alexandra-Chloé Villani, found that genetic factors play a critical role in the development of PI-IBS.

SourceMcGill University·JournalGASTROENTEROLOGY·DateJan 27, 2010
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.

Mismatched alloys are a good match for thermoelectrics

Scientists at Lawrence Berkeley National Laboratory found that introducing oxygen impurities into highly mismatched alloys can substantially enhance thermoelectric performance. This approach allows for the creation of materials with high thermopower and electric conductivity, promising a breakthrough in green energy production.

SourceDOE/Lawrence Berkeley National Laboratory·JournalPhysical Review Letters·DateJan 27, 2010

Astronomers find rare beast by new means

Scientists have found a supernova explosion that exhibits characteristics of a gamma-ray burst but lacks gamma rays. The discovery using the National Science Foundation's Very Large Array radio telescope promises to aid in locating more examples of these mysterious events.

SourceNational Radio Astronomy Observatory·JournalNature·DateJan 27, 2010

Pomegranate extract stimulates uterine contractions

Researchers discovered that pomegranate seed extract's beta-sitosterol increases calcium levels in uterine muscle cells, stimulating contractions. This finding could lead to new ways of treating dysfunctional labour and improve pregnancy outcomes worldwide.

SourceUniversity of Liverpool·JournalReproductive Sciences·DateJan 27, 2010
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 roots of food security

Researchers found that auxin hormones regulate root branching in plants, enabling more efficient nutrient uptake and storage, which can support high-yield crops and enhance food security.

SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·DateJan 27, 2010

Brain responses during anesthesia mimic those during natural deep sleep

Scientists at the University of Wisconsin-Madison reported finding brain response patterns similar to those during natural deep sleep under anesthesia. The study suggests that loss of consciousness may be linked to a breakdown in cortical connectivity, lending support to the integrated information theory of consciousness.

SourceUniversity of Wisconsin-Madison·JournalProceedings of the National Academy of Sciences·DateJan 27, 2010

Vitamin D supplements could fight Crohn's disease

A new study published in Journal of Biological Chemistry found that Vitamin D deficiency can contribute to Crohn's disease. The researchers discovered that Vitamin D acts directly on genes involved in fighting intestinal bacteria and immune responses. Siblings of patients with Crohn's disease may benefit from ensuring they are vitamin ...

SourceMcGill University Health Centre·JournalJournal of Biological Chemistry·DateJan 27, 2010

Older dental fillings contain form of mercury unlikely to be toxic

A new study reveals that aged dental fillings may contain a non-toxic form of mercury. Researchers found that the surface forms of mercury in dental amalgam change over time, with most mercury lost through evaporation or exposure to hygiene products.

SourceAmerican Chemical Society·JournalChemical Research in Toxicology·DateJan 27, 2010
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.

Engineering professor Maura Borrego earns rising star award

Maura Borrego, a Virginia Tech assistant professor of engineering education, has received the Rising Star Award from SCHEV and Dominion. Her research focuses on interdisciplinary approaches to solving complex technological challenges, while her teaching methods emphasize active learning techniques and student-centered discussion.

SourceVirginia Tech·DateJan 27, 2010

'Good' bacteria keep immune system primed to fight future infections

Researchers discover that beneficial gut bacteria play a crucial role in priming the immune system to combat future infections. The study found that these 'good' bacteria influence neutrophils, white blood cells that help fight infection, and suggest that prolonged antibiotic use may compromise immune function.

SourceUniversity of Pennsylvania School of Medicine·JournalNature Medicine·DateJan 27, 2010

Renowned Duke researcher wins Frontiers of Knowledge Award

Robert J. Lefkowitz, a leading expert on G-protein-coupled receptors, has been awarded the BBVA Foundation Frontiers of Knowledge Award for his groundbreaking research. His work has led to the development of millions of drugs used to treat various diseases worldwide.

SourceDuke University Medical Center·DateJan 27, 2010

A mind at rest strengthens memories, NYU researchers find

Researchers at New York University found that memory consolidation strengthens during periods of awake rest, not just sleep. This process boosts brain activity in the hippocampus and cortex, leading to better retention of information and improved cognitive function.

SourceNew York University·JournalNeuron·DateJan 27, 2010
Apple iPhone 17 Pro

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

Recognition of facial expressions is not universal

A study by the University of Montreal found that Caucasians and Asians recognize faces in distinct ways, with Caucasians analyzing facial features like eyes and mouth, while Asians consider the entire face. This difference affects their ability to identify emotions, particularly negative ones.

SourceUniversity of Montreal·JournalPLOS ONE·DateJan 26, 2010

Dartmouth researchers help secure the power grid

Dartmouth researchers have received a five-year $18.8 million grant from the US Department of Energy to develop cyber security tools for the power grid. The 'Smarter Grid' project aims to integrate information technologies with real-time authentication, integrity, and confidentiality.

SourceDartmouth College·DateJan 26, 2010

Babies' brains tuned to sharing attention with others

Researchers found that infants as young as five months old engage in joint attention with adults, activating the left prefrontal cortex, a region involved in complex cognitive and social behaviors. This suggests that the human brain develops this important social skill surprisingly early in infancy.

SourceWellcome Trust·JournalBiology Letters·DateJan 26, 2010

UCF professor's vaccine could be lethal weapon against malaria, cholera

A University of Central Florida researcher has created a low-cost vaccine against two deadly diseases, malaria and cholera, offering long-lasting immunity to mice. The breakthrough uses genetically engineered plants to produce the vaccine, which could be produced in large quantities at a fraction of the cost of traditional methods.

SourceUniversity of Central Florida·JournalPlant Biotechnology·DateJan 26, 2010
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.

Is the Hobbit's brain unfeasibly small?

Researchers reconstruct primate brain evolution to clarify the Hobbit's brain size, suggesting a strong selective advantage for increased brainpower. The study supports the hypothesis that the Hobbit's small brain was adapted to local ecological conditions on Flores.

SourceBMC (BioMed Central)·JournalBMC Biology·DateJan 26, 2010

Transplant tourism poses ethical dilemma for US doctors

A recent study examines the ethics of transplant tourism, where patients travel to countries like China and India for transplantation. US medical societies have crafted guidelines to advise clinicians on caring for transplant tourists, who may face sub-standard care and post-transplant infections.

SourceWiley·JournalLiver Transplantation·DateJan 26, 2010

Blood protein offers help against anemia

A new study shows that transferrin, a blood protein, can alleviate anemia and prevent fatal iron overload in humans. The research, conducted at Albert Einstein College of Medicine, suggests that treatment with transferrin could benefit people with thalassemia and other types of anemia.

SourceAlbert Einstein College of Medicine·JournalNature Medicine·DateJan 26, 2010

Wide variation in calorie content among 'low calorie' pet foods

A study by Tufts University found significant variation in calorie density among 'low-calorie' pet foods, ranging from 217 to 440 kcal/cup. This can lead to confusion among pet owners and may result in pets not losing weight or even gaining weight if owners follow the recommended feeding directions.

SourceTufts University, Health Sciences Campus·JournalJournal of the American Veterinary Medical Association·DateJan 26, 2010

A Venus flytrap for nuclear waste

Researchers at Northwestern University have developed a new material that permanently traps only the desired radioactive ion, cesium, from a sodium-heavy solution. The synthetic material, made from layers of a gallium, sulfur and antimony compound, sequesters 100% of the cesium ions while ignoring all the sodium ions.

SourceNorthwestern University·JournalNature Chemistry·DateJan 26, 2010
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.

Antibiotics might team up to fight deadly staph infections

Researchers found that lankacidin and lankamycin, two antibiotics produced by streptomyces, are more effective when used together against MRSA and other pathogens. The combination prevents protein assembly and inhibits bacterial growth, offering a new strategy for fighting antibiotic-resistant infections.

SourceUniversity of Illinois Chicago·JournalProceedings of the National Academy of Sciences·DateJan 26, 2010

Music in speech equals empathy in heart?

A new study finds that people who use more empathetic language also have increased activity in brain regions responsible for producing and understanding intonation. This suggests a link between emotional intelligence and the ability to perceive prosody, or the 'music' of speech.

SourceUniversity of Southern California·JournalPLOS ONE·DateJan 26, 2010

New formula helps gauge the winds of change

Researchers have developed a new formula to analyze changes in complex systems, enabling detailed maps of their evolution. This tool can be applied to various fields, including neuroscience, air traffic control, and public health.

SourceUniversity of Washington·JournalPLOS ONE·DateJan 26, 2010
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.

Landmark heart treatment study

A landmark study published in JAMA found that catheter ablation significantly improves quality of life and reduces symptoms of atrial fibrillation compared to drug therapy. The treatment, which destroys abnormal heart tissue, resulted in a 66% success rate for patients with no recurrent irregular heartbeats or symptoms.

SourceLoyola Medicine·JournalJournal of the American Medical Association·DateJan 26, 2010

Grant to study how cells sense electric fields

The National Science Foundation grant will help scientists study the response of amoebae to electric fields, which could reveal genes and molecules responsible for detecting these signals. This knowledge could have implications for wound healing and tissue engineering, as well as basic science research.

SourceUniversity of California - Davis·DateJan 26, 2010

Sniffing out lung cancer at early stages

Researchers have discovered that lung cancer tumors alter the odor of bodily fluids, allowing for early detection through trained animal sensors and chemical analysis. The findings hold promise for improving diagnostic and prognostic approaches to lung cancer treatment.

SourceMonell Chemical Senses Center·JournalPLOS ONE·DateJan 26, 2010
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.

Beyond sunglasses and baseball caps

A new study found that UV-blocking contact lenses can reduce or eliminate the effects of the sun's harmful UV radiation. The lenses, such as Senofilcon A, provide an additional layer of protection against UV-induced damage to the cornea and lens, including cataracts.

SourceAssociation for Research in Vision and Ophthalmology·JournalInvestigative Ophthalmology & Visual Science·DateJan 26, 2010

Top-rated hospitals don't always have superior outcomes

Researchers found that hospital volume accounts for as much as 79% of observed differences in hospital quality, making high-volume hospitals a better choice for patients. Despite being marketed as superior, top-rated hospitals do not consistently deliver better outcomes than lower-rated but higher-volume facilities.

SourceWeber Shandwick Worldwide·JournalJournal of the American College of Surgeons·DateJan 26, 2010

End-of-life care strategies examined in Pennsylvania prisons

Researchers examine delivery of end-of-life care in Pennsylvania prisons, developing intervention toolkit and educational strategies to address racial/ethnic disparities and optimize patient care. The study aims to provide insights into delivering high-quality healthcare in complex organizations.

SourcePenn State·DateJan 26, 2010

Treating depression by stimulating the pleasure center

A study found that deep brain stimulation (DBS) of the nucleus accumbens improved symptoms of depression and anxiety in patients with severe treatment-resistant depression. The procedure showed promising results with minimal side effects.

SourceElsevier·JournalBiological Psychiatry·DateJan 26, 2010
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 eyeing new way to measure elusive zinc

A team of Florida State University researchers has developed a way to measure the levels of zinc ions in biological samples using fluorescence microscopy. This technique could lead to better understanding of zinc's role in various physiological processes, including cell division, DNA synthesis, and immune function.

SourceFlorida State University·DateJan 26, 2010

Parents' perceptions of their child's competence linked to physical activity

A new study by Oregon State University researchers found that parents' perceptions of their children's athleticism have a direct impact on the children's activity levels. Parents who think their children have athletic ability are more likely to provide instrumental and emotional support for physical activity.

SourceOregon State University·JournalPreventive Medicine·DateJan 26, 2010

Preoperative CT useful for younger women with suspected appendicitis

A study found that preoperative computed tomography (CT) use among women of reproductive age coincided with a significant decrease in negative appendectomies. The increased utilization of CT and advances in technology led to improved diagnosis and reduced false-positive diagnoses, resulting in lower unnecessary surgeries.

SourceRadiological Society of North America·JournalRadiology·DateJan 26, 2010

Marine lab hunts subtle clues to environmental threats to blue crabs

A research team from the National Institute of Standards and Technology (NIST) has developed a new method to detect subtle clues to environmental threats affecting blue crabs. By analyzing metabolite levels in blue crab hemolymph using nuclear magnetic resonance (NMR) spectroscopy, they found biomarkers that can identify specific sourc...

SourceNational Institute of Standards and Technology (NIST)·JournalMetabolomics·DateJan 26, 2010

Last Neanderthals died out 37,000 years ago

New evidence constrains the age of last Neanderthals in southern and western Iberia to 37,000 years ago. This finding counters previous speculations and has significant implications for understanding archaic features found in fossils.

SourceUniversity of Bristol·JournalPLOS ONE·DateJan 26, 2010
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.

Green plant transport mystery solved

A new study from UC Davis reveals that Hsp70 proteins indeed chaperone chloroplast proteins across membranes, challenging prevailing wisdom. The research demonstrates the conservation of transport machineries across cellular bodies through evolution.

SourceUniversity of California - Davis·JournalThe Plant Cell·DateJan 26, 2010

Study documents reaction rates for three chemicals with high global warming potential

Researchers measured the rate of destruction for sulfuryl fluoride, nitrogen trifluoride, and trifluoromethyl sulfur pentafluoride by reacting them with atomic oxygen. The results suggest that these compounds will remain in the atmosphere for long periods, potentially increasing global warming.

SourceGeorgia Institute of Technology·JournalProceedings of the National Academy of Sciences·DateJan 26, 2010
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.

Childhood obesity alone may increase risk of later cardiovascular disease

A new study found that childhood obesity can increase the risk of future heart disease and stroke as early as age 7, regardless of other health factors. Obese children had abnormal blood markers, including inflammation and clotting, compared to their lean counterparts.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateJan 26, 2010

Lost Roman law code discovered in London

Researchers at University College London have uncovered a previously lost Roman law code, the Codex Gregorianus, which dates back to AD 300. The fragments contain responses by emperors to public questions on legal matters, offering new insights into ancient Roman law and its enduring legacy.

SourceUniversity College London·DateJan 26, 2010

Environmental change impacts Oklahoma rivers

Biodiversity in Oklahoma's rivers is declining due to environmental changes like water pollution, habitat destruction, and climate change. Freshwater mussels play a crucial role in biofiltration and ecosystem services, highlighting the need for sustainable water management.

SourceUniversity of Oklahoma·JournalBioScience·DateJan 26, 2010
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.