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Science News Archive April 2014


Page 4 of 32

Stress research in therapy dogs reveals animals' needs

Researchers investigated four trained therapy dogs and found no stress during group therapy. The study established that freedom relaxes the dogs, reducing cortisol levels, and symptoms of stressed dogs include hair loss and anxiety-like behaviors. Regular supervision is recommended for therapy dogs to ensure their well-being.

A protein key to the next green revolution sits for its portrait

A team at Washington University in St. Louis solved the structure of NolR, a master off-switch for the nodulation process that converts bacteria into nitrogen-fixing organisms. The discovery provides insight into the biological machinery of nitrogen-fixing and may lead to re-engineering crop plants with on-site nitrogen-fixing systems.

Apple iPhone 17 Pro

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

New tool for Joint Lab to investigate the chemistry of nature

Scientists at Helmholtz-Zentrum Berlin have developed a new tool to investigate the chemistry of nature using ultrashort laser pulses. The tool allows for insights into electronic and structural dynamics of molecules and molecular complexes, revealing mechanisms of molecular processes on subpicosecond timescales.

Snobby staff can boost luxury retail sales

Researchers at the University of British Columbia found that consumers who experience rudeness from sales staff are more likely to purchase and wear luxury brands. The study suggests that a 'snobbish' attitude is beneficial for high-end retailers, but only if the salesperson appears authentic.

Mobile users may not buy into instant gratification cues

Researchers found that mobile users tend to distrust sites with instant gratification messages, and are more willing to share sensitive information after viewing security alerts. This phenomenon suggests that users prioritize privacy over convenience in digital interactions.

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.

'Tell-tail' MRI image diagnosis for Parkinson's disease

Researchers have identified a new and accurate test for Parkinson's disease using 3T MRI scanning technology, known as the 'swallow tail' appearance of the healthy nigrosome. This sign is absent in Parkinson's disease, making it a potential diagnostic tool for clinicians.

Study yields potential drug targets for preeclampsia patients

A new study has identified molecules that send detrimental signals in preeclampsia patients, which may lead to poor health outcomes in babies born to mothers with the syndrome. The researchers found that these molecules are associated with increased risk of disease later in life.

Risk of birth defects small with HIV drugs

A French study found a small link between HIV drug use during pregnancy and an increased risk of heart defects in children. However, the benefits of antiretroviral therapy in preventing mother-to-child transmission of HIV outweigh the risks.

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.

Genealogy and biogeography meet personalized medicine

A team of researchers has developed a tool to accurately identify the biogeography of worldwide individuals using genetic distribution and geographical distance. This method, called GPS, is sensitive and specific, allowing it to identify place of origin even in ethnically diverse regions like the US.

UCLA research team selected to present original epilepsy research on Capitol Hill

A UCLA research team has made significant progress in developing a computer-aided diagnostic system to accurately distinguish between epileptic and non-epileptic seizures. By analyzing clinical notes from patients with medication-resistant seizure disorder, the team achieved a diagnosis accuracy of 65% using machine learning methods.

Nutrition experts chew the fat at ASN satellite symposium

Leading food and nutrition scientists emphasized the importance of understanding dietary fats for optimal health. Research is needed to better understand the role of fats and their impact on health, particularly with changing dietary recommendations over the years.

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.

Adhesion molecule shows promise for treating colitis

Scientists have found that targeting adhesion molecule CD146 with anti-CD146 antibody AA98 shows promise in reducing inflammation and tumor incidence in mice with colitis. The study suggests that CD146 plays a dual role in promoting inflammation, making it a potential therapeutic target for treating inflammatory bowel disease and preve...

Oxytocin promotes social behavior in infant rhesus monkeys

Researchers found that oxytocin increased two facial gestures associated with social interactions in infant rhesus monkeys. The hormone promoted more communicative behavior, including lip smacking and standing close to caregivers, in strong imitators, suggesting its potential as a treatment for autism spectrum disorders.

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.

More coral babies staying at home on future reefs

Research suggests that rising ocean temperatures will lead to a decrease in inter-reef connectivity and coral diversity. As reefs retain more of their own coral larvae, they may recover faster from disturbances but also become more vulnerable to climate change.

A glassy look for manganites

Scientists at Berkeley Lab discovered that the re-ordering of spin in manganites is not ultra-fast, but rather exhibits a glass-like state, with the restoration of crystalline order delayed. This separation of charge-ordering behavior from spin-ordering behavior may lead to new approaches for manipulating spin effects.

How Brazilian cattle ranching policies can reduce deforestation

A new study finds that supporting sustainable cattle ranching practices in Brazil could significantly reduce deforestation and greenhouse gas emissions. By subsidizing productive land use and taxing unsustainable practices, Brazil could halve its deforestation rate and shave off 25% of global emissions.

Two breath compounds could be associated with larynx cancer

A study published in Chromatographia found that certain volatile organic compounds, including ethanol and 2-butanone, are higher in individuals with larynx cancer. These compounds may serve as potential markers for the disease, offering an alternative to traditional biomarkers.

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.

Newborn Tropical Storm Tapah threatens Saipan and Tinian

Tropical Storm Tapah is moving north through the Northwestern Pacific Ocean, bringing a tropical storm warning for Saipan and Tinian. The storm is expected to strengthen into a typhoon by April 29 and may cause significant weather conditions.

Success really does breed success, unique online experiments find

Researchers found that initial support, such as donations or endorsements, significantly increased the likelihood of subsequent successes. These findings suggest that artificial help can catalyse further achievements, supporting the idea that 'success breeds success.'

Complications from kidney stone treatments are common and costly

A study of over 93,000 patients found that complications from kidney stone treatments require hospitalization or emergency care for one in seven patients. The procedures were shock wave lithotripsy, ureteroscopy, or percutaneous nephrolithotomy, with costs ranging from $32,000 to $47,000.

Studies affirm crabs killing Northeast saltmarshes

Studies by Brown University researchers confirm that crabs are ravaging coastal saltmarshes in New England and Long Island. The team's work reveals herbivory of cordgrass by the Sesarma crab is a major cause of marsh death, with overfishing reducing natural predator populations.

Increasing the diversity of marketable raspberries

Raspberries are sought after for their health benefits, with growing demand for novel fruit colors. Researchers found that different colored raspberries have distinct postharvest qualities, including decay incidence and juice leakage rates.

Meta Quest 3 512GB

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

Wetlands likely to blame for greenhouse gas increases: Study

A new study by University of Guelph researcher Prof. Merritt Turetsky and her team found that wetlands are a significant source of methane emissions, which could contribute to global warming. The study analyzed almost 20,000 field data measurements from across arctic, temperate, and tropical regions and suggests that northern wetlands ...

UEA research shows bacteria combat dangerous gas leaks

New research from UEA shows a single bacterial strain can grow on both methane and propane in natural gas, reducing pollution. This finding could help mitigate the effects of greenhouse gas emissions from natural gas seeps and human activities.

Celestron NexStar 8SE Computerized Telescope

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

Ozone levels drop 20 percent with switch from ethanol to gasoline

A Northwestern University study reveals a 20% decrease in ozone levels when fuel prices drive residents to switch from ethanol to gasoline in flexible-fuel vehicles. The study uses big data and consumer surveys to analyze the impact of human behavior on air quality in São Paulo.

Estimating baby's size gets more precise

Researchers at Michigan State University have developed a new method to estimate newborn size based on birth records, improving accuracy for clinicians and researchers. The updated thresholds may aid in classifying babies as small or large for gestational age.

Beyond graphene: Controlling properties of 2-D materials

Scientists successfully create 'heterostructures' with novel functionalities, such as tunnelling transistors and solar cells. By controlling the relative orientation between graphene and boron nitride, researchers can reconstruct the crystal structure of graphene and open a band-gap.

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.

The thin-crusted US Sierra Nevada Mountains: Where did the Earth go?

Researchers used seismograms collected in the Sierra Nevada EarthScope field experiment to image the earth under the range. Their results reveal that the entire eastern Sierra overlies low-velocity upper mantle and lacks dense, quartz-poor lower crust. This suggests that a long strip of dense rock fell away to the west and south, causi...

NIH scientists establish monkey model of hantavirus disease

Researchers at NIH's NIAID have developed a monkey model of human hantavirus pulmonary syndrome, allowing them to study the disease's progression and potential treatments. The study found that the virus triggers a life-threatening immune response nearly two weeks after infection, providing a potential target for early diagnosis.

Australian marine reserves provide safe passageway for endangered species

Researchers tracked over 70 flatback sea turtles using satellite tracking systems to identify a high-value migratory corridor within Australia's newly established marine parks. The study reveals the turtles' transit passage falls mostly within these protected areas, providing crucial insights for conservation planning.

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.

Using a foreign language changes moral decisions

Research finds that people using a foreign language take a relatively utilitarian approach to moral dilemmas, making decisions based on assessments of what's best for the common good. This pattern holds even in emotionally difficult outcomes, such as sacrificing one life so others could live.

Increasing sugar concentration in tomato juice

Researchers found that basal wire coiling, a simple and effective method, increased sugar concentration in tomato fruit juice. The technique results in lower shoot moisture content and reduced competition for photosynthates, leading to higher sugar concentrations.

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.

R.I. nitrogen cycle differs in bay and sound

Researchers found that anammox, a crucial environmental process, is almost completely absent in Narragansett Bay but present in Rhode Island Sound. This disparity suggests that bay sediments lack the necessary conditions to activate anammox.

$2.3 million study to examine how neighborhoods influence child maltreatment rates

A $2.3 million study will analyze 20 Cleveland neighborhoods to understand the impact of neighborhood conditions, social services, and reporting processes on child maltreatment rates. The research aims to identify factors tied to reduced abuse and neglect, potentially highlighting new targets for interventions at the neighborhood level.

Urbanization, higher temperatures can influence butterfly emergence patterns

Researchers found that urban areas in warmer regions experience delayed butterfly emergence compared to rural areas. The study's findings suggest that butterflies may be more vulnerable to climate change than previously thought, and highlight the importance of understanding species' responses to urbanization and temperature increases.

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.

Studies offer insight on how to improve kidney and liver transplantation

Researchers have found that organs from donors with a history of certain cancers pose little risk to recipients, allowing for improved transplant survival rates. Optimizing donor organ preservation techniques can also improve graft function and reduce energy depletion in livers after circulatory death.

One cell type may quash tumor vaccines

Researchers at Thomas Jefferson University found that a single cell type, T-helper cells, is actively suppressed in several experimental cancer vaccines. This discovery paves the way for methods to break suppression and improve cancer vaccine effectiveness.

'Let it go,' but not in the boardroom

Researchers found that individuals cooperated more with computer counterparts expressing positive emotions after cooperation and negative emotions after exploitation. This study highlights the importance of managing facial expressions in business interactions to achieve cooperation.

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.

Viral 'parasites' may play a key role in the maintenance of cell pluripotency

Researchers have discovered that retrotransposons, or viral elements incorporated into the human genome, are essential for maintaining the ability of stem cells to differentiate into many different types of body cells. The study found that degrading these transcripts causes iPS cells to lose their pluripotency and differentiate.

Scientific Style and Format, 8th edition, now available

The 8th edition of Scientific Style and Format, a definitive resource on scientific editorial style and publishing practices, is now available online. The new edition features updated coverage of technologies, plagiarism, and copyright law, as well as changes in stylistic recommendations.

Optimizing sweet potato production

A study by researchers from Mississippi State and Louisiana State Universities reveals that early planting and delaying harvest can increase yield and economic benefits for sweetpotato producers. The results showed that marketable yield of the sweetpotato cultivars was consistently greater in early plantings than late plantings.