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Science News Archive March 2014 - Page 25


Page 25 of 34

The George Washington University receives record-breaking gifts

The George Washington University has received a record-breaking $80 million in gifts from the Milken Institute, the Sumner M. Redstone Charitable Foundation, and the Milken Family Foundation to address global public health challenges through prevention and wellness initiatives. The gifts will support new research, scholarships, and pro...

SourceGeorge Washington University·DateMar 11, 2014

New gene for bipolar disorder discovered

Researchers identified two new gene regions associated with bipolar disorder and confirmed three existing ones through a massive international collaboration. The study analyzed genetic data from over 9,400 patients and found that these genes work together with environmental factors to contribute to the disease.

SourceUniversity of Bonn·JournalNature Communications·DateMar 11, 2014

No one likes a copycat, no matter where you live

Researchers found that young children in different cultures do not fully grasp the concept of intellectual property until around age 5 or 6. In contrast, older children and adults across cultures view copying as negative. The study suggests that cultural differences may not be as significant as previously thought.

SourceUniversity of Washington·JournalJournal of Experimental Child Psychology·DateMar 11, 2014

Gift giving 101: When do 'perfect' gifts backfire?

A new study suggests that gift givers often prioritize desirability over practicality, leading to gifts that the recipient doesn't want. In contrast, receivers tend to value practicality more. Brands can help consumers consider the product's utility when buying as a gift, making the gift more appealing to both parties.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateMar 11, 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.

Filling out those employment questionnaires might reveal more than you think

Researchers at the University of Montreal found that increased psychological distress and depression symptoms are associated with high cortisol levels, while severe burnout is linked to low cortisol concentrations. This study aims to develop more accurate screening tools for mental health professionals.

SourceUniversity of Montreal·JournalPsychoneuroendocrinology·DateMar 11, 2014

The immune system's redesigned role in fighting cancerous tumors

Researchers have eradicated solid tumors in laboratory mice using a novel combination of two targeted agents that stimulate an immune response. This approach allows the patient's own tumor to act as a cancer vaccine, differing from traditional methods where the immune system is stimulated by administering a vaccine.

SourceCedars-Sinai Medical Center·JournalCancer Research·DateMar 11, 2014

Two surgeries for pelvic prolapse found similarly effective, safe

A study of two surgical procedures for pelvic organ prolapse found that they were similarly effective in treating the condition, with success rates of 59.2% and 60.5% after two years. The exercise program did not offer additional benefits to participants.

SourceNIH/Eunice Kennedy Shriver National Institute of Child Health and Human Development·JournalJAMA·DateMar 11, 2014

Timid jumping spider uses ant as bodyguard

A timid jumping spider uses the scent of ants as a defense mechanism against spitting spiders, positioning itself near ant nests for protection. However, this protection also comes with a cost, as jumping spiders are preyed upon by their savior species, the weaver ant.

SourceSpringer·JournalBehavioral Ecology and Sociobiology·DateMar 11, 2014
Apple iPhone 17 Pro

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

UGA researchers identify decision-making center of brain

Researchers identified distinct brain activity profiles when making cost-benefit decisions about drinking alcohol. The study used fMRI to examine how the brain weighs pros and cons of drinking, revealing a neural signature associated with ambivalence between cost and benefits.

SourceUniversity of Georgia·JournalNeuropsychopharmacology·DateMar 11, 2014

Magnet hospitals have higher quality of care, NYU researcher finds

Research from NYU College of Nursing reveals that Magnet hospitals have superior practice environments, which lead to higher nurse-reported quality of care and better patient outcomes. The study found a positive correlation between positive work environments and excellent quality of care in both Magnet and non-Magnet hospitals.

SourceNew York University·JournalJONA The Journal of Nursing Administration·DateMar 11, 2014

Finding hiding place of virus could lead to new treatments

Scientists have identified perivascular stem cells as a reservoir of HCMV, suggesting a potential treatment target. The discovery could lead to the development of novel targeted therapies to prevent HCMV re-activation and its associated complications.

SourceAtrium Health Wake Forest Baptist·JournalAmerican Journal of Transplantation·DateMar 11, 2014

Success of new bug-fighting approach may vary from field to field

Researchers found that western corn rootworm beetles resistant to crop rotation are less vulnerable to RNAi treatment, surviving longer on soybean leaves. The study suggests targeting a single gene may not be the best strategy for controlling pests.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalPesticide Biochemistry and Physiology·DateMar 11, 2014
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.

The Holberg Prize 2014 is awarded to scholar of Islamic history

The Holberg Prize 2014 has been awarded to scholar Michael Cook for his groundbreaking research on the relationship between Islam, religion, and politics. Cook's work emphasizes the role of religious values in shaping Islamic civilization from the medieval period to the present.

SourceThe University of Bergen·DateMar 11, 2014

Promoting love can punish sales

A new study found that reminders of relationships consumers don't have can lead to restrictions on indulgent spending, choosing lower-end brands and opting for healthier options. This effect is particularly pronounced during holidays and wedding season when relationship portrayals are prominent in advertisements.

SourceUSC Marshall School of Business·JournalJournal of Marketing Research·DateMar 11, 2014

Cellular alchemy: Penn study shows how to make insulin-producing cells from gut cells

Scientists have made a breakthrough in treating type 1 and type 2 diabetes by successfully converting gut cells into functional insulin-producing cells. The new method involves introducing specific transcription factors into intestinal crypt cells, which can then produce insulin and improve hyperglycemia in diabetic mice.

SourceUniversity of Pennsylvania School of Medicine·JournalCell Reports·DateMar 11, 2014
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.

National study reveals urban lawn care habits

A new national study found that urban lawn care practices vary significantly across cities, despite uniformity in appearance. The research suggests that local climate and social factors play a more significant role than initially expected, requiring tailored solutions to address environmental challenges. Understanding these patterns is...

SourceCary Institute of Ecosystem Studies·JournalProceedings of the National Academy of Sciences·DateMar 10, 2014

Outside the body our memories fail us

Studies show that when participants experience an 'out-of-body' illusion, their memories are fragmented and stored improperly. The research suggests a close relationship between body experience and memory, with implications for understanding psychiatric conditions such as PTSD and schizophrenia.

SourceKarolinska Institutet·JournalProceedings of the National Academy of Sciences·DateMar 10, 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.

New organ transplant strategy aims to better prevent rejection

Researchers have developed a novel treatment strategy that targets transplanted tissue, allowing over 70% of mice to accept transplants without lifelong immunosuppressive drugs. The approach also shows promise in treating autoimmune diseases like type 1 diabetes.

SourceUniversity of California - San Francisco·JournalAmerican Journal of Transplantation·DateMar 10, 2014

Emergency alert in the cell

Researchers uncover an entire network of cellular helpers to mitigate damage, identifying new regulatory mechanisms for the heat shock response. The study's findings may also offer insights into neurodegenerative diseases such as Alzheimer's and Parkinson's.

SourceMax-Planck-Gesellschaft·JournalCell·DateMar 10, 2014

Computer system simulates the behavior of tax evaders

A computer system called SIMULFIS was developed to simulate the behavior of tax evaders, incorporating conditions such as fairness and social influence. The study found that improving tax inspections is a more effective measure against tax evasion than increasing fines.

SourceUniversitat Autonoma de Barcelona·JournalAdvances in Complex Systems·DateMar 10, 2014

Lower IQ in teen years increases risk of early-onset dementia

A recent study by the University of Gothenburg found that men with poorer cardiovascular fitness and/or lower IQ at age 18 are more likely to develop early-onset dementia before age 60. This increased risk remains even when controlled for other factors, highlighting the importance of physical exercise in maintaining cognitive health.

SourceUniversity of Gothenburg·JournalBrain·DateMar 10, 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.

Doctors often uncertain in ordering, interpreting lab tests

A national survey of primary care physicians found they often experience uncertainty in ordering and interpreting clinical laboratory tests, with missing results and confusing report formats being major challenges. Physicians reported that improved electronic decision-support tools and access to lab personnel would help reduce this unc...

SourceUniversity of Illinois Chicago·JournalThe Journal of the American Board of Family Medicine·DateMar 10, 2014

A shocking diet

Researchers identified a microbe that can take up electrons from minerals in soil and sediment using natural conductivity. The microbes rely on sunlight and iron to generate energy, but have developed an unusual strategy to reach the iron through naturally occurring conductive minerals.

SourceHarvard University·JournalNature Communications·DateMar 10, 2014

Smokers' brains biased against negative images of smoking

Chronic smokers have altered emotional reactions when exposed to negative and positive images associated with tobacco. They are more aroused by positive images and affected by aversive non-smoking related images than by images of specific negative consequences.

SourceUniversity of Montreal·JournalProgress in Neuro-Psychopharmacology and Biological Psychiatry·DateMar 10, 2014
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.

UV light aids cancer cells that creep along the outside of blood vessels

A recent study by UCLA scientists and colleagues reveals that UV light significantly enhances the ability of melanoma cells to creep along the outside of blood vessels, leading to increased metastasis. The research demonstrates that exposure to UV radiation triggers inflammation, attracting immune cells that promote this process.

SourceUniversity of California - Los Angeles·JournalNature·DateMar 10, 2014

All paths lead to Rome, even the path to condensed matter theory

Carlo Di Castro reflects on the development of theoretical condensed matter physics in Rome, highlighting key areas like superfluid helium, quantum systems, and high-temperature superconductors. He shares personal anecdotes about his research policy experiences and the evolution of his field.

SourceSpringer·JournalThe European Physical Journal H·DateMar 10, 2014
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.

Shade will be a precious resource to lizards in a warming world

A new study by UBC researchers found that cold-blooded animals worldwide have similar heat tolerance limits, with tropical species relying on behavioral thermoregulation. The authors recommend protecting migration corridors and habitats that provide shade, especially in the tropics.

SourceUniversity of British Columbia·JournalProceedings of the National Academy of Sciences·DateMar 10, 2014

March/April 2014 Annals of Family Medicine tip sheet

Research found azithromycin and levofloxacin therapies associated with higher mortality risks compared to amoxicillin. Levofloxacin use also linked to increased serious arrhythmia risk. Only one quarter of primary care patients with mild cognitive impairment progress to dementia within three years, according to study.

SourceAmerican Academy of Family Physicians·JournalThe Annals of Family Medicine·DateMar 10, 2014

JCI online ahead of print table of contents for March 10, 2014

Scientists identified a broadly neutralizing HIV-1 antibody in a lupus patient, which could be used to target rapidly mutating viruses. Researchers also developed a workflow to evaluate protein turnover kinetics, revealing previously unknown alterations in disease development.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateMar 10, 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.

Early pregnancy alcohol linked to heightened premature and small baby risk

Research suggests that drinking alcohol during early pregnancy may heighten the risk of premature birth and low birth weight, with even moderate consumption increasing the likelihood of these outcomes. Women from more affluent backgrounds were found to be more likely to drink excessively.

SourceBMJ Group·JournalJournal of Epidemiology and Community Health·DateMar 10, 2014

Lawn care practices across the nation vary more than expected

Research reveals disparate fertilizer and irrigation practices among different age groups, socioeconomic statuses, and climates in urban, suburban and rural areas. The study found that lawncare varies more within a city than expected, suggesting that one sustainability message may not fit all.

SourceUSDA Forest Service - Northern Research Station·JournalProceedings of the National Academy of Sciences·DateMar 10, 2014

Turing's theory of chemical morphogenesis validated 60 years after his death

Scientists from Brandeis University and the University of Pittsburgh validate Alan Turing's theory of morphogenesis, demonstrating that identical cell-like structures can differentiate into various patterns through intercellular reaction-diffusion. The research has implications for biological development, materials science, and soft ro...

SourceBrandeis University·JournalProceedings of the National Academy of Sciences·DateMar 10, 2014

Natural selection has altered the appearance of Europeans over the past 5,000 years

Research suggests that natural selection has altered European appearance over the past 5,000 years, with ancient DNA revealing darker skin, hair, and eye pigmentation. This phenomenon is comparable to other examples of adaptive evolution, such as malaria resistance and lactase persistence.

SourceJohannes Gutenberg Universitaet Mainz·JournalProceedings of the National Academy of Sciences·DateMar 10, 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.

Mongol Empire rode wave of mild climate, says study

A recent study using ancient tree rings reveals that the Mongol Empire's rapid expansion was facilitated by a period of unusually mild and wet weather in central Asia. The findings suggest that this favorable climate allowed for increased grass production, which in turn enabled the Mongols to build their powerful horse-riding army.

SourceColumbia Climate School·JournalProceedings of the National Academy of Sciences·DateMar 10, 2014

New sugar-test to reduce false-positive cancer diagnoses

A new glycoprofiling test has been developed to halve the number of false-positives in ovarian cancer diagnoses, sparing women from unnecessary worry and further testing. The test targets a specific sugar molecule on the CA125 protein, which is only present in women with ovarian cancer.

SourceUniversity of Copenhagen·JournalJournal of Proteome Research·DateMar 10, 2014

Bread, cereal drive UK children's high salt diet

A recent UK study found that children in London eat an unhealthy amount of salt on a daily basis, with cereal- and bread-based products accounting for over a third of their diets. The study's results highlight the need for increased efforts to reduce salt intake in foods, particularly among teens.

SourceAmerican Heart Association·DateMar 10, 2014

Diagnosing diseases with smartphones

University of Houston researchers create a system to diagnose diseases in real time using smartphones and $20 lens attachments. The device uses gold nanoholes to detect chemical interactions between disease-causing agents and antibodies, providing quick and affordable readouts.

SourceUniversity of Houston·JournalACS Photonics·DateMar 10, 2014

A tale of 2 data sets: New DNA analysis strategy helps researchers cut through the dirt

Researchers have developed a simple yet elegant solution to analyze large amounts of soil DNA data, reducing computational requirements by up to 200-fold. This breakthrough enables scientists to extract more science from the noise, paving the way for new discoveries in fields like agriculture and carbon cycling.

SourceDOE/Joint Genome Institute·JournalProceedings of the National Academy of Sciences·DateMar 10, 2014
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.

Parkinson's disease: Quickly identifying patients at risk of dementia

Researchers at the University of Montreal have identified potential markers for dementia in Parkinson's disease patients with mild cognitive impairments. These markers include thinning in certain cortical areas and subcortical atrophy in grey matter, which may serve as a warning sign for developing dementia.

SourceUniversity of Montreal·JournalBrain·DateMar 10, 2014

PSA-testing and early treatment decreases risk of prostate cancer death

Research from Umeå University and Memorial Sloan Kettering Cancer Center found that frequent PSA testing in areas with high incidence rates results in lower prostate cancer mortality. However, this is offset by increased risk of overtreatment, which can lead to side effects such as erectile dysfunction and urinary incontinence.

SourceUmea University·JournalJNCI Journal of the National Cancer Institute·DateMar 10, 2014

Bending the light with a tiny chip

Researchers at Caltech have developed a silicon chip that can bend light waves electronically, eliminating the need for bulky optics. This technology allows for rapid image projection with a single laser diode and no mechanically moving parts.

SourceCalifornia Institute of Technology·DateMar 10, 2014

Mapping the behavior of charges in correlated spin-orbit coupled materials

Researchers at Boston College manipulate a compound of strontium, iridium and oxygen into the metallic regime by substituting ruthenium metal ions. Scanning tunneling microscopy reveals the emergence of charge carriers, forming minute metallic puddles that coalesce to form a metal across which charges freely flow.

SourceBoston College·JournalNature Communications·DateMar 10, 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.

Predation on invertebrates by woodland salamanders increases carbon capture

Research by the USDA Forest Service finds that woodland salamander predation on invertebrates increases litter retention and carbon capture. The study, led by Dr. Hartwell Welsh Jr., suggests that these small animals play a significant role in regulating forest ecosystems.

SourceUSDA Forest Service - Pacific Southwest Research Station·JournalEcosphere·DateMar 10, 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.

Scientists build thinnest-possible LEDs to be stronger, more energy efficient

University of Washington researchers develop two-dimensional, flexible semiconductors to build the thinnest-known LED, only three atoms thick yet mechanically strong. The LED can be used in a wide range of applications, including lighting and optical communication, offering high energy efficiency and miniaturization possibilities.

SourceUniversity of Washington·JournalNature Nanotechnology·DateMar 10, 2014