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Science News Archive 2013


Page 296 of 352

Stressed proteins can cause blood clots for hours

Researchers at Rice University and Baylor College of Medicine have discovered that stressed proteins can remain in a dangerous shape for up to five hours before returning to their normal state. This finding has profound clinical implications, as it helps explain the workings of the key clot-forming protein von Willebrand factor.

Meta Quest 3 512GB

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

Amputee phantom pain linked to brain retaining picture of missing limb

Researchers at the University of Oxford have made a groundbreaking discovery linking brain activity to phantom pain in amputees. The study found that arm amputees with stronger phantom limb pain maintained a stronger representation of the missing hand in their brains, which was indistinguishable from those with intact limbs.

Better estrogen-testing methods needed to improve patient care

The Endocrine Society issues a position statement on estradiol measurement, highlighting the need for accurate testing to diagnose conditions like breast cancer, osteoporosis, and infertility. The organization calls for a universally recognized estradiol standard and new methods capable of measuring small concentrations.

Statistical physics offers a new way to look at climate

Scientists use direct statistical simulation to model fluid jets, fast-moving flows in oceans and atmosphere. The new approach is a key step toward bringing basic physics models to bear on climate science, enabling more efficient climate simulations.

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.

Colonoscopy screening reduces risk of advanced colorectal cancer

A new study confirms the effectiveness of colonoscopy in preventing advanced colorectal cancer diagnoses, particularly for tumors on the right side of the colon. The study found a 70 percent reduction in risk for average-risk adults, supporting current medical recommendations.

New method for greenhouse gas predictions

A new dynamic mathematical model estimates variation in greenhouse gas emissions in response to changes in wastewater management systems. The study provides more accurate and detailed predictions than current steady-state models, with implications for industries seeking to reduce their carbon footprint.

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.

The maternal effect: How mother deer protect their future kings

A study by Brigham Young University reveals that mothers prioritize their male offspring with high leadership potential, providing better nourishment and habitats. This investment has a lasting impact on the males' survival and health even after independence.

BUSM study reveals potential target to better treat, cure anxiety disorders

Researchers at Boston University School of Medicine have identified a specific group of cells in the brainstem critical for emotional memory processing during REM sleep. The activation of phasic pontine waves is linked to the development of long-term retention of fear extinction memory, making it a potential target for new treatments.

Top patient safety strategies detailed in new AHRQ report

The AHRQ report identifies 10 strongly recommended patient safety strategies, including preoperative checklists and hand hygiene, to prevent harmful events in US healthcare institutions. The report builds on previous research and provides clinicians with a sound basis for integrating proven strategies into their care.

Are new national policies designed to reduce hospital readmissions working?

A recent study suggests that new national policies designed to reduce hospital readmissions will have uncertain success. The study identifies three critical challenges that stand in the way of policy success, including the need for collaborative relationships within the medical community and more evidence-based policy decisions.

Apple iPhone 17 Pro

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

Herbal defluoridation of drinking water

Researchers in India have developed a filter system using the medicinal herb Tridax procumbens to remove fluoride from drinking water. The technology can reduce fluoride levels by up to 98% in just three hours, making it a promising approach for defluoridation.

Walking away from back pain

A Tel Aviv University researcher finds that a simple home aerobic program is as effective as clinical therapy in treating lower back pain. The program involves walking two to three times a week for 20-40 minutes and has the added advantage of encouraging patients to follow a healthier lifestyle.

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 report confirms almost half of Africa's lions facing extinction

A new report by Panthera suggests that fencing and conflict mitigation initiatives are necessary to conserve lion populations in Africa. The study found that unfenced habitats lead to higher costs and lower lion population densities, highlighting the severity of the lion conservation crisis.

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.

Hurting someone else can hurt you just as much

A recent study found that people who intentionally exclude others experience negative emotions such as shame and guilt, while those who are excluded feel anger. These results highlight the psychological costs of excluding others, suggesting a fundamental human need for social connection and autonomy.

News websites should target 'reward seekers,' MU researcher finds

Researchers found that news consumers with 'reward-seeking' personalities are more likely to read news online, engage with websites, and use mobile devices. To maximize online revenue, news organizations should target these reward seekers with brain-friendly designs and emotional storytelling.

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.

Novel small molecules used to visualize prostate cancer

Two novel radiolabeled small molecules targeting PSMA have excellent potential for diagnosing and staging prostate cancer. The imaging agents showed a high sensitivity of lesion detection in bone, soft tissue, and the prostate gland.

Felix Goñi, Avanti award for best European research in lipids

Félix Goñi, a renowned researcher, has received the prestigious European Avanti award for his groundbreaking work on cell membrane lipids and their role in programmed cell death. The award recognizes his contributions to the understanding of biophysics of lipids, including metabolism, enzymology, structure, and membranes.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

New insight into double-protected dance of cell division

Researchers have discovered how two proteins shelter each other to ensure smooth and safe cell division, a process crucial for growth and response to environmental changes. By understanding these molecular mechanisms, scientists may uncover new clues for understanding diseases like cancer.

New mechanism for relaxing airways using bitter tasting substances

A team of scientists discovered that certain bitter taste receptors can relax airway smooth muscle cells, potentially halting asthma attacks. The study's findings suggest that these bitter compounds may be an improvement over current treatments due to their rapid relaxation effects.

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.

Parents, religion guard against college drinking

Researchers found that college students who used religious coping mechanisms reported less frequent and heavy drinking. Parents' stress-coping habits also played a role in shaping their children's coping practices. The study surveyed 129 college students and their parents, with results published in the Journal of Religion and Health.

Modeling Jupiter and Saturn's possible origins

Theoretical models demonstrate that gas giant planets can survive periodic outbursts of mass transfer from the gas disk onto the young star. These models show that Jupiter and Saturn could have formed through this process, supporting the presence of 20% of sun-like stars with gas giants.

Viruses: More survival tricks than previously thought

Researchers have found a virus that can adapt to hosts with modified nuclear genetic codes, contrary to the long-held assumption that such changes prevent new viral infections. The discovery provides evidence of co-evolution between viruses and hosts with altered genetic codes.

Antiviral lipid earns patent

Researchers at National Jewish Health have discovered a naturally occurring lipid, POPG, that reduces inflammation and inhibits infection by the influenza virus and RSV. The lipid offers a promising approach for the prevention and treatment of these respiratory infections.

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.

Insomnia is linked to increased risk of heart failure

A large study found that people with insomnia symptoms, including trouble falling asleep and waking up feeling unrefreshed, have a higher risk of developing heart failure. The study followed 54,279 participants for over 11 years and found those with all three insomnia symptoms had a more than three-fold increased risk.

New gene variant may explain psychotic features in bipolar disorder

Researchers at Karolinska Institutet have identified a gene variant associated with higher production of kynurenic acid, which may explain psychotic features in bipolar disorder. The study suggests that inflammation and stress trigger the production of KYNA, leading to increased levels in patients' brains.

How cells optimize the functioning of their power plants

Mitochondria have been found to contain 'assembly plants' that regulate the expression of their genes, producing long precursor RNA molecules specific to this organelle. These structures, known as mitochondrial RNA granules, play a crucial role in energy production and may be linked to various diseases.

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.

Does the villainous 'selfish' gene undermine genome's police?

A new study at Brown University found that the 'selfish' segregation distorter (SD) gene can manipulate meiosis to eliminate defective sperm, while a policing system tries to suppress it. The research deepens understanding of how life can violate fundamental genetic principles.

A better way of estimating blood loss

A new method for estimating blood loss, based on base deficit (BD), is more accurate than the current Advanced Trauma Life Support (ATLS) classification. BD was linked to increased severity of injury, length of stay, morbidity and mortality.

New study suggests potential shift in burden of pneumococcal disease

A new study suggests that pneumococcal disease may be shifting its burden from infants to adults in Latin America, with significant economic implications. The research highlights the need for increased monitoring and surveillance to understand the full extent of the disease in the region.

Celestron NexStar 8SE Computerized Telescope

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

Safe, long-term opioid therapy is possible

Clinical guidelines suggest monitoring patients closely for harm using urine drug testing, pill counts, and prescription data. Careful management balances pain relief with the risk of addiction and overdose.

Pain training for primary care providers

A pilot study assesses the Primary Practice Physician Program for Chronic Pain (4PCP) and its impact on patients with chronic pain. The program improves symptoms, including reduced pain, fatigue, and depression, as well as boosts physician confidence and efficiency.

Is it a stroke or benign dizziness? A simple bedside test can tell

A new study led by Johns Hopkins Medicine researchers has developed a simple bedside test that can determine whether severe dizziness is caused by a stroke or something benign. The portable device uses eye movement tests to diagnose strokes with 100% accuracy, promising to prevent misdiagnosis and save lives.

New spectroscopy method could lead to better optical devices

A new spectroscopy method has been developed to analyze light emission from layered nanomaterials, enabling researchers to determine the orientation of emitters and potentially improve the efficiency of optical devices. The technique uses energy-momentum spectroscopy to study interference effects in thin films.

USF and KAUST chemists develop efficient material for carbon capture

Researchers have discovered a highly efficient material for capturing CO2, which could make clean-coal technology more efficient and reduce energy costs. The breakthrough material, SIFSIX-1-Cu, is less expensive and reusable than existing materials, with the potential to improve air quality and combat climate change.

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.

Genetics Society of America's Genetics journal highlights for March 2013

The March 2013 issue of Genetics journal highlights several key findings, including a study on oocyte-expressed genes that support early cloned embryo development and the role of cytoskeletal proteins in controlling clone quality. Additionally, research on self-incompatibility genes in Arabidopsis thaliana reveals the structural and fu...

Stressed-out tadpoles grow larger tails to escape predators

Researchers found that prolonged exposure to the stress hormone corticosterone enabled tadpoles to increase the size of their tails, improving their ability to avoid lethal predator attacks. The study provides new insights into the mechanisms of phenotypic plasticity and its role in animal survival.