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Science News Archive 2013


Page 278 of 352

Understanding the continuous corn yield penalty

A six-year University of Illinois study found that continuous corn systems experience a yield reduction compared to corn rotated with soybean, known as the continuous corn yield penalty. The study identified N availability, corn stover accumulation, and unfavorable weather as primary causes of the penalty.

Do disruptions in brain communication have a role in autism?

A new study published in Brain Connectivity found evidence of aberrant neural communication in toddlers with autism, indicating a disorder of connectivity. The researchers observed reduced brain connectivity and diminished capacity for neural communication in autistic children's brains.

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.

GW researcher studies the dangerous effects of cocaine on HIV patients

A recent study by GW researcher Mudit Tyagi explores the impact of cocaine on HIV replication and transmission in brain cells. Cocaine use has been linked to a more severe onset of NeuroAIDS, and researchers believe that gene expression of integrated HIV proviruses are influenced by this type of stimulation.

A closer look at LDCM's first scene

The Landsat Data Continuity Mission (LDCM) has released its first images of Earth, revealing stunning natural-color scenes and thermal infrared bands. The new data will aid in water management by detecting temperature differences across the land surface.

Apple iPhone 17 Pro

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

Banning food ads targeted at kids

Researchers are calling on the federal government to ban food and beverage ads that target children, citing a rising obesity epidemic. The proposed ban would restrict marketing to approved public health campaigns promoting healthy eating.

'Evolutionary glitch' possible cause of childhood ear infections

Scientists at King's College London found that the middle ear cavity is formed by two different tissue types, one of which is less efficient at clearing debris and more susceptible to infection. This 'evolutionary glitch' may be the reason why some children are more prone to developing chronic ear problems like glue ear.

Pain reliever shows anti-viral activity against flu

Researchers discovered that naproxen blocks the RNA binding groove of the nucleoprotein, preventing formation of the ribonucleoprotein complex. This finding suggests that naproxen could be an effective treatment against influenza A virus.

Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

How can basin rocks recorded formation of Dabie orogen?

Researchers have found that basin sediments recorded the formation process of the Dabie orogen, providing crucial information on subduction and rapid exhumation. The study suggests a gradual transition from shortening to extension during the Mesozoic era, with the depth of exhumation increasing eastwards.

ACMG releases report on incidental findings in clinical exome and genome sequencing

The American College of Medical Genetics and Genomics has released a report on incidental findings in clinical exome and genome sequencing. The report provides guidelines for laboratories to return incidental genetic findings to doctors ordering the tests, who will then manage the information with patients. This is expected to benefit ...

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.

BUSM researchers identify chemical compounds that halt virus replication

Researchers at Boston University School of Medicine have identified a new chemical class of compounds that can block genetically diverse viruses from replicating. These indoline alkaloid-type compounds effectively inhibited a number of viruses, including Ebola, by limiting RNA production in cell culture.

Researchers tackle physician challenge of correctly ordering laboratory tests

A new study from Boston University School of Medicine identified significant problems with laboratory test naming conventions, leading to increased medical costs and delayed diagnosis. Researchers propose using search engine-like technologies to guide clinicians towards the most appropriate tests, improving patient safety and outcomes.

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.

Program improves Ph.D. student diversity

A new paper at Brown University describes a program that has significantly improved recruiting and performance of underrepresented minority students in its life sciences doctoral programs over the last four years. The program's three-part strategy includes partnerships with undergraduate institutions, minicourses to build skills needed...

Scientists create new tools for battling secondhand smoke

Researchers at Dartmouth College have created a breakthrough device that can immediately detect secondhand tobacco smoke and even third-hand smoke. The sensor is small, light, and can be used in various settings to reduce the risk of health effects associated with environmental tobacco smoke.

Breakthrough could lead to cheaper, more sustainable chemical production

Researchers at Brown University have made a breakthrough in making acrylate by combining carbon dioxide with ethylene, potentially leading to a cheaper and more sustainable way to produce the commodity chemical. The team discovered that Lewis acids can break open a five-membered ring, allowing for the formation of acrylate.

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.

Study: Serious mental illness no barrier to weight loss success

A new study found that individuals with schizophrenia, bipolar disorder, or major depression can make substantial lifestyle changes to improve their health and lose weight. The program, which included simple nutrition messages and regular exercise classes, resulted in significant weight loss compared to a control group.

Picture this: BMC Ecology image competition winners announced

The BMC Ecology Image Competition has announced its winners, featuring striking visual elements that depict specific ecological interactions. The overall winning image highlights the coevolution of a stick insect and its host, while the runner-up showcases a subalpine flower meadow in Colorado.

Megavolcanoes tied to pre-dinosaur mass extinction

A new study ties gigantic volcanic eruptions to the abrupt disappearance of half of Earth's species 200 million years ago, potentially on a pace similar to human-influenced climate warming today. The eruptions caused sudden climate changes that may have prevented many creatures from adapting.

Meta Quest 3 512GB

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

Planck's new map brings universe into focus

The Planck space mission has released its most accurate map of the oldest light in the universe, revealing a slower expansion rate and less dark energy. The new data also provide insights into dark matter and normal matter contents, challenging current models.

Knee implants designed specifically for female patients may not improve outcomes

A new study presented at the American Academy of Orthopaedic Surgeons found that female-specific knee implants do not significantly improve clinical outcomes in total knee replacement patients. The study compared implant fit and clinical results with and without female components, revealing comparable pain scores and range of motion.

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.

New web portal on health research in Europe

The Horizon Health web portal provides a valuable online resource for journalists and interested citizens, featuring accurate and up-to-date information on health research funded by the EU. The platform aims to improve communication on EU-funded health research projects, mainly towards the media and general public.

What you eat before surgery may affect your recovery

Researchers at Brigham and Women's Hospital found that restricting food intake to a lower-fat diet before surgery reduced the imbalance in fat tissue's chemical balance, leading to improved recovery outcomes. The study suggests that minimizing trauma during surgery can have a significant impact on fat tissue's response.

Berkeley Lab scientists read the cosmic writing on the wall

The Planck observatory's first 15 months of data reveal that the universe is 100 million years older than previously thought, with more matter and less dark energy. Scientists used supercomputing at NERSC to create detailed maps of the relic radiation from the big bang.

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.

Electrical engineer to provide Navy better radar performance with less data

UT Arlington professor Qilian Liang has developed an algorithmic system that simplifies data collection for radar systems, allowing for better performance with less data. The system uses co-prime and nested samplings to eliminate redundant data, resulting in faster decision-making and more efficient image formation.

World's biggest study of food allergies gets underway

The Integrated Approaches to Food Allergen and Allergy Risk Management (iFAAM) project will develop a standardized management process for companies involved in food manufacturing. New risk models will predict who is likely to suffer severe reactions, while tools to measure allergens will support efficient labeling and monitoring.

Brain & Behavior Research Foundation awards nearly $4 million in new NARSAD grants

The Brain & Behavior Research Foundation has awarded nearly $4 million in new NARSAD grants to 40 mid-career researchers pursuing innovative studies on depression, bipolar disorder, and other mental illnesses. The grants will focus on diagnostic tools, early intervention, new technologies, next-generation therapies, and basic research.

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.

Genes may be reason some kids are picky about food

New research from the University of North Carolina at Chapel Hill suggests that genes are a primary factor influencing food neophobia, or aversion to trying new foods, in children. The study found that genetic factors explain 72 percent of the variation in children's tendency to avoid new foods.

Multiple sclerosis research: The thalamus moves into the spotlight

Researchers have found that atrophy of the thalamus is a key predictor of clinically definite multiple sclerosis (MS) in patients. Thalamic atrophy can help identify patients at risk for developing MS, allowing clinicians to diagnose earlier and monitor disease progression.

PRP significantly improves outcomes in tennis elbow patients

A multi-center study found that PRP treatment improved pain scores and reduced elbow tenderness in 55.1% and 37.4% of patients at 12 weeks, respectively. At six months, 83.9% of patients reported significantly less pain and tenderness following PRP treatment.

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.

Cancer drug shortages mean higher costs and greater risk for patients

A national survey of health professionals found that cancer drug shortages disrupt chemotherapy administration, increase costs, and add to the risk of adverse patient outcomes. The survey, conducted by St. Jude Children's Research Hospital, reports that 98% of respondents experienced a shortage in the previous year.

NIH study shows people with serious mental illnesses can lose weight

Researchers developed a weight loss program that successfully helped participants with serious mental illnesses, including schizophrenia and bipolar disorder. The program involved exercise classes and individual weight loss guidance, leading to significant weight loss and sustained results.

Energy drinks may increase blood pressure, disturb heart rhythm

Research analyzed seven studies to determine energy drink impact on heart health. Consuming energy drinks was found to prolong the QT interval, increasing the risk of life-threatening arrhythmias. Systolic blood pressure also increased significantly in participants.

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.

Japanese researchers identify a protein linked to the exacerbation of COPD

Researchers from RIKEN Advanced Science Institute have identified Siglec-14 as a protein involved in the exacerbation of chronic obstructive pulmonary disease (COPD). Patients without this protein are less susceptible to exacerbation, suggesting potential new targets for treatment. The study's findings imply that personalized care base...

Findings to help in design of drugs against virus causing childhood illnesses

Researchers have developed antiviral drugs for other enteroviruses that cause the common cold. The new work obtained a near-atomic-scale resolution three-dimensional structure of enterovirus 71 binding with an inhibitor called WIN 51711. This study provides a structural basis for development of antienterovirus 71 capsid-binding drugs.

Acting out dreams linked to development of dementia, Mayo Clinic study finds

A Mayo Clinic study found that men with dementia with Lewy bodies are five times more likely to have rapid eye movement (REM) sleep behavior disorder, which can appear decades before a diagnosis. The study suggests that screening for this sleep disorder could improve diagnosis and treatment of dementia with Lewy bodies.

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.

Scientists identify gene that is consistently altered in obese individuals

Researchers have identified the LY86 gene as a key contributor to obesity, finding high methylation levels associated with increased inflammation and insulin resistance. This association held up across various populations, suggesting a potential link between environmental factors and genetic expression.

Novel insights into the evolution of protein networks

Protein networks are essential for organisms, and their evolution is a fascinating research question. Researchers have reconstructed ancient protein networks, finding that present-day networks can be explained by the mechanism of duplication and divergence, supporting the interpretation of genome sequence data.