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Science News Archive 2014 - Page 291


Page 291 of 376

Ancient African cattle first domesticated in Middle East

A team of researchers found that ancient domesticated African cattle originated in the Fertile Crescent region nearly 10,000 years ago. The genetic history of 134 cattle breeds worldwide reveals mixing and admixture between native and imported breeds.

SourcePLOS·JournalPLOS Genetics·DateMar 27, 2014

Sleep may stop chronic pain sufferers from becoming 'zombies'

A study by the University of Warwick found that sleep quality is a key driver of daytime physical activity in chronic pain patients. Engaging in physical activity can be a crucial treatment process for managing chronic pain. By improving sleep quality, sufferers may overcome their motivation to stay inactive due to pain.

SourceUniversity of Warwick·JournalPLOS ONE·DateMar 27, 2014
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.

Big brown bat males call 'dibs' on food

Researchers discovered that male big brown bats use uniquely distinctive calls to signal they want a meal, while females primarily forage near family members. These social calls were previously unknown and have been found in over 96% of recorded instances.

SourceCell Press·JournalCurrent Biology·DateMar 27, 2014

Instituting a culture of professionalism

Researchers analyzed data from a center for professionalism and peer support at Boston's Brigham and Women's Hospital and found that employees continued to turn to the center for help, citing concerns about physician/scientist behavior. The interventions used were successful in creating substantive changes in behavior.

SourceBrigham and Women's Hospital·JournalThe Joint Commission Journal on Quality and Patient Safety·DateMar 27, 2014
Apple iPhone 17 Pro

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

Foraging bats can warn each other away from their dinners

Male big brown bats emit a unique 'back off' call, dubbed FMB, which warns other bats to keep away from claimed prey, increasing the caller's success in snagging insects. The call is only emitted by males and helps establish dominance or claim territory.

SourceUniversity of Maryland·JournalCurrent Biology·DateMar 27, 2014

Big data keeps complex production running smoothly

Researchers at Fraunhofer-Gesellschaft have developed systems to process large amounts of industrial data, increasing plant availability and reducing energy consumption. By analyzing data in real-time, operators can quickly identify and eliminate disruptions, optimizing production processes.

SourceFraunhofer-Gesellschaft·DateMar 27, 2014

Using tobacco to thwart infectious disease?

A team of researchers has developed a new generation of therapeutics against West Nile virus using tobacco plants. The monoclonal antibodies were shown to be effective in protecting mice from lethal doses even up to 4 days after infection.

SourceArizona State University·JournalPLOS ONE·DateMar 27, 2014

Mediterranean diet may lower risk of diabetes

A pooled analysis of studies found that adherence to the Mediterranean diet reduced diabetes risk by 21%, with an even greater reduction in those at high cardiovascular risk. The diet, rich in fruits, vegetables, whole grains, and healthy fats, may also help prevent obesity-related complications.

SourceAmerican College of Cardiology·DateMar 27, 2014
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.

Simple blood test may predict if a child will become obese

Researchers have developed a simple blood test that can predict if a child will become obese based on epigenetic switches in the PGC1a gene. The study found that a rise in DNA methylation levels at age 5 was associated with up to 12% more body fat at age 14, regardless of physical activity or puberty timing.

SourceUniversity of Plymouth·JournalDiabetes·DateMar 27, 2014

One gene, many tissues

The FANTOM project has published an exhaustive map of specificities in gene expression, revealing the first nucleotides of messenger RNA to identify where genes start synthesizing proteins. This study provides insights into how genes are regulated in different tissues, with implications for understanding diseases such as Parkinson's

SourceInternational School of Advanced Studies (SISSA)·JournalNature·DateMar 27, 2014

Autoimmune drug may help prevent kidney disease caused by diabetes

A receptor called B7-1 is expressed by kidney cells during the progression of diabetic nephropathy, and targeting this receptor with abatacept helps to maintain kidney function in mice. The study suggests that clinical trials should be designed to test abatacept in diabetic patients.

SourceAmerican Society of Nephrology·JournalJournal of the American Society of Nephrology·DateMar 27, 2014
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.

Marathon training could help the heart

A study of 45 recreational male runners found that marathon training reduced bad cholesterol by 5%, triglycerides by 15% and improved heart health markers, including a 4% increase in peak oxygen consumption. The training program led to significant changes in key cardiovascular risk factors.

SourceAmerican College of Cardiology·DateMar 27, 2014

Wellcome Collection announces first project at the Hub

The Hub's interdisciplinary group will investigate the health implications of states of rest and noise, tumult and stillness, with a focus on transforming how we understand rest in modern life. The £1 million project aims to create new possibilities for people from all backgrounds to find rest in busy cities.

SourceWellcome Trust·DateMar 27, 2014

Corporate layoff strategies are increasing workplace gender and racial inequality

Research from Tel Aviv University reveals that current downsizing policies are reducing managerial diversity and increasing racial and gender inequalities. The study found that companies using tenure or position as core criteria for downsizing minimized the share of white women in management positions by 25 percent.

SourceAmerican Friends of Tel Aviv University·JournalAmerican Sociological Review·DateMar 27, 2014

Study shows promise of preserving fertility in boys with cancer

Scientists have developed a method to freeze testicular tissue in boys undergoing chemotherapy and radiation treatments for cancer, allowing them to preserve fertility. The study found that cancer cells were eliminated during the process of reproducing sperm-producing stem cells, making this option safe for future use.

SourceAtrium Health Wake Forest Baptist·JournalFertility and Sterility·DateMar 27, 2014

Researchers reveal the dynamics behind Arctic ecosystems

Researchers have gathered data on Arctic tundra ecosystems, revealing temperature's decisive role in shaping food chains and ecosystem function. The study also highlights the importance of predation in regulating energy flows and ecosystem dynamics.

SourceAarhus University·JournalNature Climate Change·DateMar 27, 2014
Celestron NexStar 8SE Computerized Telescope

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

Researchers identify good bacteria that protects against HIV

A new method for studying the relationship between skin cells and good bacteria was developed, revealing certain bacterial communities alter HIV's ability to infect. The discovery has potential applications in understanding how vaginal products interact with good and bad bacteria.

SourceUniversity of Texas Medical Branch at Galveston·JournalPLOS ONE·DateMar 27, 2014

Stool samples provide marker for bowel disease

Researchers have developed a novel method to distinguish between different types of bowel disease using stool samples, with an overall accuracy of 76%. The technique uses volatile organic compounds emitted from the samples to provide a unique profile for each condition, offering a cheaper and quicker alternative to current methods.

SourceIOP Publishing·JournalJournal of Breath Research·DateMar 27, 2014

The first insects were not yet able to smell well

Insects' sense of smell crucial for survival; recent study shows odorant receptors emerged long after terrestrial adaptation. The first insects were not yet able to smell well, with their complex olfactory systems evolving after the development of flying ability.

SourceMax Planck Institute for Chemical Ecology·DateMar 27, 2014

Antidepressants during pregnancy linked to preterm birth

A systematic review and meta-analysis of published studies on antidepressants in pregnancy found a strong association between their use and increased preterm birth rates. The study suggests that antidepressant medications may be contributing to the rising trend of preterm births, which can lead to significant health problems and costs.

SourceTufts Medical Center·JournalPLOS ONE·DateMar 27, 2014
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.

Agroforestry systems can repair degraded watersheds

A study in the Gabayan watershed, Philippines, found that agroforestry reduces sediment yield by 20% and increases income for farmers. Agroforestry also helps communities adapt to climate change by improving water management and ecosystem services.

SourceWorld Agroforestry Centre (ICRAF)·DateMar 27, 2014

GW researcher invents 'mini heart' to help return venous blood

Narine Sarvazyan invents a new organ, the 'mini heart', made of cardiac muscle cells, to help return venous blood flow. The cuff can be created from patient's own adult stem cells, eliminating rejection risk and treating chronic diseases like venous insufficiency.

SourceGeorge Washington University·JournalJournal of Cardiovascular Pharmacology and Therapeutics·DateMar 27, 2014
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.

The multiplication of cells under close observation

A team of researchers has discovered a cellular factor called Rif1 that regulates the timing of DNA replication, ensuring proper cell division and preventing tumor formation. The study suggests that Rif1 prevents 'DNA replication stress', a process causing genome instability.

SourceUniversité de Genève·JournalCell Reports·DateMar 27, 2014

Scientists synthesize first functional 'designer' chromosome in yeast

Researchers at NYU Langone Health have synthesized a fully functioning chromosome in yeast using computer-aided design, overcoming the biggest hurdle in synthetic biology. The seven-year effort built a chromosome with over 270,000 base pairs, enabling new capabilities and traits in yeast cells.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalScience·DateMar 27, 2014

Southerners more likely to die from heart attack

A new study reveals a significant disparity in heart attack mortality rates between regions of the US, with the South experiencing the highest death rates. The research suggests that socioeconomic and lifestyle factors, including lower median household income and unhealthy habits, may contribute to this disparity.

SourceAmerican College of Cardiology·DateMar 27, 2014

Despatch from the field

A new collaboration enables immediate access to taxonomic research and underlying data, reducing 'shelf life' from 21 years to weeks. The system facilitates data sharing and preservation, addressing 80% of scientific data loss within 10 years.

SourcePensoft Publishers·JournalBiodiversity Data Journal·DateMar 27, 2014

Cause for exaggerated insulin response in subset of bariatric surgery patients identified

Researchers at the University of Cincinnati have discovered that gastric bypass surgery leads to excessive post-meal insulin response in a subset of patients, characterized by altered islet cell function and reduced insulin clearance. This study sheds light on mechanisms of glucose metabolism alterations following gastric bypass surgery.

SourceUniversity of Cincinnati·JournalJournal of Endocrinology and Metabolism·DateMar 27, 2014
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.

Kaixin Jieyu Fang for treatment of vascular depression

Researchers found that Kaixin Jieyu Fang reduces cerebral white matter damage by increasing Bcl-2 protein and mRNA expression, while decreasing Bax protein and mRNA expression. This compound may provide a potential therapeutic approach for treating vascular depression through its protective effects on the brain.

SourceNeural Regeneration Research·JournalNeural Regeneration Research·DateMar 27, 2014

CYGNSS hurricane satellite mission passes major review milestone

The CYGNSS mission will determine how a tropical cyclone forms and strengthen, improving hurricane forecasting and tracking. NASA has given a preliminary go-ahead to proceed with instrument development and launch of the hurricane-studying mission's eight microsatellites.

SourceSouthwest Research Institute·DateMar 27, 2014

Sugary drinks weigh heavily on teenage obesity

A recent study found that sugary drinks significantly contribute to obesity among teenagers in British Columbia schools. Students consuming these drinks regularly were more likely to be obese, highlighting the importance of school food environments promoting healthy eating habits.

SourceUniversity of British Columbia·JournalInternational Journal of Behavioral Nutrition and Physical Activity·DateMar 26, 2014
Meta Quest 3 512GB

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

Study shows invasive species in waterways on rise due to climate change

Research by Queen's University Belfast predicts that invasive waterweeds will become more widespread over the next 70 years due to climate change. Four species are expected to establish in areas 38% larger than previously thought, posing a threat to global biodiversity and economy.

SourceQueen's University Belfast·JournalDiversity and Distributions·DateMar 26, 2014

Significant progress toward creating 'benchtop human' reported

Scientists have developed a liver organ construct that responds to toxins like real human livers, paving the way for more accurate drug screening. The project aims to create interconnected human organ constructs using a miniaturized platform, potentially reducing costs and increasing efficiency in toxicology testing.

SourceVanderbilt University·DateMar 26, 2014

AGU: New study shows major increase in West Antarctic glacial loss

A new study has found that six massive glaciers in West Antarctica are losing ice at an unprecedented rate, causing global sea levels to rise. The amount of ice draining from these glaciers increased by 77 percent between 1973 and 2013, with Pine Island Glacier accelerating by 75 percent over the same period.

SourceAmerican Geophysical Union·JournalGeophysical Research Letters·DateMar 26, 2014

Natural history must reclaim its place

The study of natural history provides essential knowledge for various fields, including human health, food security, and conservation. However, support for this field has declined in developed countries, resulting in costly mistakes such as the collapse of fisheries and forest fire suppression.

SourceAmerican Institute of Biological Sciences·JournalBioScience·DateMar 26, 2014
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.

Stag beetle males give nasty nips despite massive jaws

Male stag beetles have enlarged heads and muscles to compensate for their oversized mandibles, allowing them to generate powerful bites. Their male bites are six times stronger than females', with a recorded strength of 7N.

SourceThe Company of Biologists·JournalJournal of Experimental Biology·DateMar 26, 2014

Reproducible research, dynamic documents, and push-button publishing

Researchers from UK institutions released a treasure trove of data on the developing retina, pushing the boundaries of neuroscience publishing. The dataset includes 366 recordings from 12 studies and is made available in a standardized and interoperable manner, allowing for reproducibility and further analysis.

SourceGigaScience·JournalGigaScience·DateMar 26, 2014

Coal plant closure in China led to improvements in children's health

A study found that decreased exposure to air pollution after a coal power plant closed led to increased BDNF levels and improved developmental scores in children. Lower PAH-DNA adducts were detected in cord blood, indicating reduced exposure to polycyclic aromatic hydrocarbons.

SourceColumbia University's Mailman School of Public Health·JournalPLOS ONE·DateMar 26, 2014

Immunotherapy data heralds new era of lung cancer treatment

Immunotherapy has shown huge potential in treating lung cancer by preventing tumour cells from escaping the immune system. New data on immunocheckpoint regulators such as PD-1 and PD-L1 have resulted in impressive global overall response rates of 20% to 25%.

SourceEuropean Society for Medical Oncology·JournalJournal of Thoracic Oncology·DateMar 26, 2014
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.

Diabetes: Good self-management helps to reduce mortality

A study published by Helmholtz Munich researchers found that patients with good diabetes self-management have a significantly lower mortality risk than those with poor self-management. The study, which analyzed data from 340 participants, showed that active participation in treatment and lifestyle modifications can lead to better healt...

SourceHelmholtz Munich (Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH))·JournalDiabetes Care·DateMar 26, 2014

Rice U. study: Don't shop for travel at work

A study from Rice University found that consumers who shop for leisure travel during business hours tend to select higher quality hotels but are less satisfied with their stay. Consumers who book earlier and pay in advance also tend to be more satisfied.

SourceRice University·JournalJournal of Marketing Research·DateMar 26, 2014

Decline of natural history troubling for science, society

Support for natural history study appears to be in decline in developed countries, despite its importance for human health, food security, and conservation. Experts are now calling for a revival of the practice to reclaim its role in understanding organisms and their interactions with the environment.

SourceUniversity of Washington·JournalBioScience·DateMar 26, 2014

Canal between ears helps alligators pinpoint sound

Researchers discovered that alligators use air-filled channels in their ear canal to amplify pressure differences, allowing them to pinpoint the source of sounds. This mechanism is similar to birds' interaural canals and may be an evolutionary adaptation from dinosaur ancestors.

SourceUniversity of Maryland·JournalJournal of Experimental Biology·DateMar 26, 2014
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.

Lawrence Livermore scientists discover bacterial resistance to improve biofuel production

Researchers at Lawrence Livermore National Laboratory have identified a type of bacterial resistance that enables more efficient production of advanced biofuels. The discovery involves introducing a genetic module into E. coli bacteria, allowing them to grow in the presence of toxic concentrations of ionic liquids.

SourceDOE/Lawrence Livermore National Laboratory·JournalNature Communications·DateMar 26, 2014

Cereal flake size influences calorie intake

A study by Penn State researchers found that when cereal flakes are reduced in size, participants pour a smaller volume but still consume more calories. The researchers tested the influence of food volume on calorie intake and found that subjects underestimated their calorie consumption despite consuming larger volumes.

SourcePenn State·JournalJournal of the Academy of Nutrition and Dietetics·DateMar 26, 2014
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.

Eat a peach

Researchers at Washington State University have found that peach extracts can inhibit the growth of breast cancer cells and their ability to spread. The study suggests that these compounds could be a novel addition to therapies reducing metastasis risk in various cancers, potentially available as an extract or dietary supplement.

SourceWashington State University·JournalThe Journal of Nutritional Biochemistry·DateMar 26, 2014

Cuvier's beaked whales set new breath-hold diving records

Researchers monitored Cuvier's beaked whales' record-breaking dives to depths of nearly two miles below the ocean surface and some dives lasted for over two hours. The dives captured by this study exceed previous records, including the mammalian dive record previously set by southern elephant seals.

SourcePLOS·JournalPLOS ONE·DateMar 26, 2014