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Science News Archive March 2016 - Page 35


Page 35 of 41

Woodpecker drumming signals wimp or warrior

Researchers at Wake Forest University found that woodpecker pairs coordinate their defense behavior based on the intensity of drumming sounds from intruders. A longer drum is perceived as a tougher opponent, prompting coordination and aggression, whereas a shorter drum signals weakness.

SourceWake Forest University·JournalBehavioral Ecology and Sociobiology·DateMar 4, 2016

Study sheds new light on post-operative bleeding in newborns

Researchers found significant differences in blood clot structure between adults and neonates, which may pose an increased risk of thrombosis in newborns. The study suggests that using adult fibrinogen in neonatal patients may be detrimental to their health, highlighting the need for more effective treatment strategies.

SourceNorth Carolina State University·JournalAnesthesiology·DateMar 4, 2016
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.

Study offers clearest picture yet of how HIV defeats a cellular defender

Researchers have gained a clearer understanding of how HIV defeats a cellular defender by interacting with cyclophilin A. The study reveals that the virus uses cyclophilin A as a disguise to trick the cellular protein, allowing it to enter the nucleus and commandeer the cell.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalNature Communications·DateMar 4, 2016

Evolving insights into cystic fibrosis lung infections

Recent research on cystic fibrosis lung infections highlights the ability of Pseudomonas aeruginosa to adapt and evolve in chronically infected patients. The review suggests that understanding this evolution is crucial for developing alternative treatment strategies to minimize symptoms and improve patient outcomes.

SourceUniversity of Liverpool·JournalTrends in Microbiology·DateMar 4, 2016

Investigators trace emergence and spread of virulent salmonella strain

Whole-genome sequencing reveals the emergence and spread of the virulent Salmonella strain DT104 over 40 years in 21 countries. The strain's resistance to five antibiotics and ability to infect multiple livestock species contributed to its success.

SourceAmerican Society for Microbiology·JournalApplied and Environmental Microbiology·DateMar 4, 2016
Apple iPhone 17 Pro

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

A case exemplar for national policy leadership: Expanding PACE program

The Program of All-Inclusive Care for the Elderly (PACE) model provides coordinated and comprehensive services to high-cost and high-need populations. Nurse-leaders Tara A. Cortes and Eileen M. Sullivan-Marx drove expansion through legislative advocacy and policy guidance.

SourceNew York University·JournalJournal of Gerontology·DateMar 4, 2016

Reducing opioid use prior to joint replacement surgery linked to better outcomes

Two studies found that patients who reduced their opioid use prior to joint replacement surgery had improved patient satisfaction and outcomes, fewer complications, and a reduced need for post-surgical opioids. Patients with chronic opioid use were more likely to experience prolonged pain and higher rates of post-operative complications.

SourceAmerican Academy of Orthopaedic Surgeons·DateMar 4, 2016
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.

Cornell opens $25 million NSF platform for discovering new materials

The Platform for the Accelerated Realization, Analysis, and Discovery of Interface Materials (PARADIM) enables scientists to design and create novel materials with extraordinary properties. These materials will impact various fields including national security, clean energy, and human welfare.

SourceCornell University·DateMar 4, 2016

Women need more of the HIV drug Truvada than men to prevent infection

A new study from the University of North Carolina at Chapel Hill found that women require daily doses of Truvada to prevent HIV infection, while men only need two doses per week. The research highlights the importance of understanding how drugs interact with different body tissues to protect against HIV.

SourceUniversity of North Carolina at Chapel Hill·JournalThe Journal of Infectious Diseases·DateMar 3, 2016

Brain tune-up may aid self-motivation

Researchers at Duke University have developed a new brain imaging strategy that allows people to control their motivational centers, leading to healthier and more productive lives. By using neurofeedback, participants were able to learn which strategies worked and adopt more effective ones.

SourceDuke University·JournalNeuron·DateMar 3, 2016
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.

New insight into enzyme evolution

New research describes how enzymes 'tune' to work at specific temperatures, with a fundamental physical property - heat capacity - being the key. This discovery could lead to designing better biocatalysts for industrial processes.

SourceUniversity of Bristol·JournalBiochemistry·DateMar 3, 2016

Parasites help brine shrimp cope with arsenic habitat contamination

A study found that infected brine shrimp were more resistant to arsenic toxicity, with increased fat-containing droplets and changes in oxidative stress markers. The researchers suggest that parasite infection may protect the shrimp against pollutants through a mechanism known as 'survival of the fattest',

SourcePLOS·JournalPLOS Pathogens·DateMar 3, 2016

AIBS names emerging public policy leader

Julia Omotade, a Ph.D. candidate at Emory University, has been awarded the AIBS Emerging Public Policy Leadership Award for her leadership in advocating for federally supported research. Her efforts have resulted in over 600 letters to Congress and recognition as an outstanding leader in science policy.

SourceAmerican Institute of Biological Sciences·DateMar 3, 2016
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.

Super elastic electroluminescent 'skin' will soon create mood robots

A team of Cornell graduate students has developed a hyper-elastic light-emitting capacitor (HLEC) that can stretch up to six times its original size while emitting light. The material allows robots to change their color in response to mood or environment, enabling human-robot interactions.

SourceCornell University·JournalScience·DateMar 3, 2016

Violence linked to early signs of blood vessel disease in women

Experiencing physical violence in adulthood may increase the risk of women developing heart and blood-vessel disease. Women who had experienced physical violence were more than one and a half times more likely to have narrowing of the main blood vessels in the neck, an early sign of increased risk for stroke.

SourceAmerican Heart Association·DateMar 3, 2016
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.

'Octopus-like' skin can stretch, sense touch, and emit light

Researchers have developed an 'octopus-like' skin that can stretch, sense pressure, and emit light. The hyperelastic, light-emitting capacitor (HLEC) device outperforms previous models in terms of elasticity and versatility.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateMar 3, 2016

What influences 11-year-olds to drink?

A study of 10,498 11-year-olds in the UK found that nearly 14% had drunk more than a few sips, with factors such as friends' drinking and mothers' behavior strongly associated. Positive perceptions of alcohol and lack of parental supervision also linked to increased odds of drinking.

SourceBMC (BioMed Central)·JournalBMC Public Health·DateMar 3, 2016

Ancient viral invaders in our DNA help fight today's infections

A new study reveals that ancient viral elements embedded in our genome have become important for mounting a proper defense against today's viral infections. The research found that these endogenous viruses have repurposed their DNA into virus-derived switches that regulate genes integral to our innate immune system.

SourceUniversity of Utah Health·JournalScience·DateMar 3, 2016

Without ancestral gene life on Earth might not have evolved beyond slime

Researchers at the University of British Columbia identified a common ancestral gene that enabled the evolution of advanced life over a billion years ago. This gene, found in all complex organisms, encodes for protein kinases that allowed cells to become larger and transfer information more rapidly.

SourceUniversity of British Columbia·JournalJournal of Biological Chemistry·DateMar 3, 2016
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.

New TSRI study shows HIV structure in unprecedented detail

The study reveals the high-resolution structure of the HIV envelope protein, known as the Env trimer, in its natural form for the first time. The findings also include a detailed map of a vulnerable site at the base of this protein and the binding site of an antibody that can neutralize HIV.

SourceScripps Research Institute·JournalScience·DateMar 3, 2016

Brain connectivity reveals hidden motives

Researchers identified that brain region communication varies depending on the motive driving a specific behavioral choice, allowing them to uncover underlying motives. Motives could not be detected by observing choices or brain activity during decision-making.

SourceUniversity of Zurich·JournalScience·DateMar 3, 2016

Breast cancer: An improved animal model opens up new treatments

EPFL scientists have developed an animal model for estrogen receptor-positive breast cancer that faithfully captures the disease. The new model has been tested on human breast tissue in a pre-clinical context, providing crucial factors such as hormone action and molecular responses to therapies.

SourceEcole Polytechnique Fédérale de Lausanne·JournalCancer Cell·DateMar 3, 2016

Using a computer, social activities tied to reduced risk of memory decline

A study published by the American Academy of Neurology found that older adults who used a computer at least once per week had a 42% lower risk of developing memory and thinking problems compared to those who did not. Engaging in social activities also showed a significant reduction in memory decline, with participants who participated ...

SourceAmerican Academy of Neurology·DateMar 3, 2016
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.

Cells collected from preterm infants' urine may advance regenerative kidney repair

Researchers have discovered cells in the urine of preterm infants that can differentiate into mature kidney cells and provide protection against cell death. These cells could potentially be used as a treatment to regenerate damaged kidneys and improve outcomes for patients with kidney disease.

SourceAmerican Society of Nephrology·JournalJournal of the American Society of Nephrology·DateMar 3, 2016

Researchers unravel pathways of potent antibodies that fight HIV infection

A research team has identified rare potent antibodies in an HIV-infected individual and determined sequential structures that point to how they developed. This finding will help guide researchers as they try to build an experimental vaccine that recreates the pathway that gives rise to these important broadly neutralizing antibodies.

SourceDuke University Medical Center·JournalCell·DateMar 3, 2016

Neuronal calculations consider expectations

Researchers found that the fruit fly's visual system incorporates expectations of typical environment features into its calculations. The unequal distribution of bright and dark regions in nature is reflected in asymmetric processing by the fly brain, enabling efficient course correction in virtual environments.

SourceMax-Planck-Gesellschaft·JournalNature Neuroscience·DateMar 3, 2016
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 maximum earthquake magnitude for North Turkey

Scientists have found that the North Anatolian Fault Zone can produce mega earthquakes of magnitude M8 exclusively in the east. In contrast, northwestern Turkey, including Istanbul, is not expected to experience such large earthquakes exceeding M7.5. The study suggests that the eastern region's older age and mature fault zone contribut...

SourceGFZ GeoForschungsZentrum Potsdam, Helmholtz Centre·JournalTectonophysics·DateMar 3, 2016

NASA's IMERG measures flooding rainfall in Peru

Heavy rainfall caused flooding and landslides in northern Peru, with NASA's Integrated Multi-satellitE Retrievals for GPM (IMERG) measuring extreme rainfall totals of over 700 mm. The strong El Niño was partially blamed for the abnormally high rainfall.

SourceNASA/Goddard Space Flight Center·DateMar 3, 2016

Neural connectivity dictates altruistic behavior

A new study suggests that specific brain network alignment influences whether altruism stems from empathy or reciprocity. Researchers found distinct patterns in brain connectivity between individuals exhibiting different levels of altruism.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateMar 3, 2016

Why do chimpanzees throw stones at trees?

Researchers discovered chimpanzees in West Africa throwing stones at trees, resulting in accumulations of rocks at these sites. The behavior appears to have cultural elements and has been observed in adult males and females, with no apparent link to foraging or resource availability.

SourceMax-Planck-Gesellschaft·JournalScientific Reports·DateMar 3, 2016
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.

Bromances may be good for men's health

Researchers at the University of California - Berkeley found that moderate stress can make male rats more social and cooperative, leading to increased oxytocin levels. This effect is comparable to the benefits seen in romantic relationships, suggesting that bromances may have healthful effects similar to those seen in human friendships.

SourceUniversity of California - Berkeley·JournalNeuropsychopharmacology·DateMar 3, 2016

Clean energy could stress global water resources

A new study finds that climate mitigation efforts in the energy system could lead to increasing pressure on water resources, requiring integrated strategies for sustainable long-term use. The energy sector's increasing demand for water by 2100 poses a risk of water allocation conflicts and local shortages.

SourceInternational Institute for Applied Systems Analysis·JournalEnvironmental Research Letters·DateMar 3, 2016
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Asymmetry of an emotion

A study found that individuals with right- or left-sided facial hemiparesis have difficulty interpreting emotions, particularly when the expression starts on the paralyzed side. Facial mimicry, which helps understand emotions, is also affected by asymmetry, suggesting a lateralized and anatomical basis for this phenomenon.

SourceInternational School of Advanced Studies (SISSA)·JournalJAMA Facial Plastic Surgery·DateMar 3, 2016

New maps reduce threats to whales, dolphins

Scientists have created detailed maps charting seasonal movements and population densities of 35 species of whales, dolphins, and porpoises in the U.S. East Coast and Gulf of Mexico. The maps provide insights into habitats, tracking regional differences in population densities and large seasonal shifts in migratory baleen whales.

SourceDuke University·JournalScientific Reports·DateMar 3, 2016
Meta Quest 3 512GB

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

Modified protein reverses cirrhosis in lab rats

Researchers have found a modified protein that can reverse liver fibrosis and cirrhosis in lab rats. The protein, TRAIL, was coated with a polymer to extend its half-life, allowing it to effectively kill activated hepatic stellate cells and reduce signs of fibrosis.

SourceJohns Hopkins Medicine·JournalHepatology·DateMar 3, 2016

New way to control chemical reactions

Researchers at Australian National University have successfully controlled chemical reactions using static electricity, improving reaction rates by a factor of five. The breakthrough could lead to cleaner industry, cheaper nanotechnology, and unprecedented control over chemical processes.

SourceAustralian National University·JournalNature·DateMar 3, 2016

Fuel or food? Study sees increasing competition for land, water resources

A study found that 4% of agricultural land and 3-4% of fresh water are used for biofuel production, which could feed 280 million more people if used for food. The increasing competition between fuel and food production threatens global food security due to the growing world population.

SourceUniversity of Virginia·JournalScientific Reports·DateMar 3, 2016
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.

A new biomarker of brain inflammation in early-stage Alzheimer's disease

A new biomarker of brain inflammation in early-stage Alzheimer's disease has been identified, indicating that microglia-mediated inflammation may demarcate the transition from preclinical to full dementia. The TREM2 protein fragment in cerebrospinal fluid levels closely mirror microglia activity during the course of the disease.

SourceEMBO·JournalEMBO Molecular Medicine·DateMar 3, 2016

Depicting as a method of communication

Depicting is a method of communication that involves staging scenes using actions, facial expressions, and voice. This theory, developed by Herbert Clark, complements describing and highlights the importance of depicting in everyday conversation, particularly in evoking emotions and empathy.

SourceAmerican Psychological Association·JournalPsychological Review·DateMar 3, 2016

Size not such a big thing for seed bugs

Researchers found that processus length is crucial during mating for seed bugs, particularly when a rival male is present, and bigger isn't always better. Males with medium-length processus are most likely to fertilise female eggs successfully.

SourceSpringer·JournalBehavioral Ecology and Sociobiology·DateMar 3, 2016
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.

Stop signals against protein clumps

Protein aggregates are toxic and contribute to nerve cell death in diseases like Alzheimer's and Huntington's. The study reveals missing stop signals lead to long lysine chains blocking ribosomes, allowing defective proteins to accumulate and form toxic aggregates.

SourceMax-Planck-Gesellschaft·JournalNature·DateMar 3, 2016