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Science News for June 15, 2011


Penn researchers break light-matter coupling strength limit in nanoscale semiconductors

Researchers at the University of Pennsylvania have successfully increased light-matter coupling strength in nanoscale semiconductors, paving the way for designing faster and more efficient photonic devices. By fabricating structures with surface passivation techniques, they were able to overcome the limitation of bulk materials.

SourceUniversity of Pennsylvania·JournalProceedings of the National Academy of Sciences·DateJun 15, 2011
Apple iPhone 17 Pro

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

Eat your fruits and vegetables!

A study found that California adults' mean daily fruit and vegetable consumption rose from 3.8 servings to 5.2 servings over 10 years, with a significant increase in low- and high-income groups. The study suggests that social marketing programs have contributed to this trend.

SourceElsevier Health Sciences·JournalJournal of the American Dietetic Association·DateJun 15, 2011

UF study: When singing mice choose a mate, a skillful song gets the gal

A University of Florida study shows that singing mice choose mates based on their vocal prowess, which is reflected in the quality of their trills. The researchers found that faster singers are preferred by females, and even the sex hormones of males can affect their singing abilities.

SourceUniversity of Florida·JournalAnimal Behaviour·DateJun 15, 2011

Using living cells as an 'invisibility cloak'

Researchers have successfully used living human cells to produce natural capsules with channels for releasing drugs and diagnostic agents. This breakthrough enables longer retention of these substances in the body, overcoming previous artificial coating limitations.

SourceAmerican Chemical Society·JournalNano Letters·DateJun 15, 2011

Simple, affordable interventions to increase prenatal screening and treatment could halve stillbirths and newborn deaths due to syphilis

A meta-analysis of 41,000 women found that interventions like decentralised testing and treatment can reduce perinatal deaths by 54% and stillbirths by 58%. Implementing universal screening for syphilis in all pregnant women could lead to significant reductions in adverse pregnancy outcomes.

SourceThe Lancet_DELETED·JournalThe Lancet Infectious Diseases·DateJun 15, 2011
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.

BU researcher plays key role in discovery of new type of neutrino oscillation

A team of researchers at the T2K Experiment, led by Boston University Professor Edward Kearns, have observed an indication of a new type of neutrino transformation or oscillation from a muon neutrino to an electron neutrino. This discovery may lead to further studies on matter/anti-matter asymmetry and CP violation.

SourceBoston University·JournalPhysical Review Letters·DateJun 15, 2011

Dating an ancient episode of severe global warming

Researchers have pinned down the timing of the Paleocene-Eocene thermal maximum (PETM), an ancient global warming event that occurred around 56 million years ago. The study suggests that the event was triggered by a different mechanism, possibly related to volcanism, rather than cyclic variations in Earth's orbit.

SourceNational Oceanography Centre, UK·DateJun 15, 2011

Facebook friends? Group identity helps consumers remember ads

Consumers recall ads better when they think about the groups they belong to. The study found that thinking about group membership influences memory for advertising by unconsciously connecting new information to existing group associations.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateJun 15, 2011

Noninvasive brain stimulation helps curb impulsivity

A study published in Neuroimage suggests that non-invasive brain stimulation can improve patients' inhibitory control, a key aspect of self-regulation. The treatment has potential as a non-invasive treatment for conditions such as ADHD, Tourette's syndrome, and violent impulsivity.

SourceElsevier·JournalNeuroImage·DateJun 15, 2011

'Glowing hands' in the waiting room improves kids' handwashing

A study found that applying glowing gel to children's hands in a waiting room improved their hand washing skills, even without additional education. The intervention resulted in significant improvements in cleanliness scores among all participants, regardless of whether they received verbal handwashing lessons.

SourceSociety for Healthcare Epidemiology of America·JournalInfection Control and Hospital Epidemiology·DateJun 15, 2011
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.

Too close for comfort? Maybe not

A study of 552 Maine high school students found no correlation between the presence of fast food stores near schools and their risk of being overweight. Despite high consumption of sweetened drinks and fast food among students, proximity to unhealthy food retailers had little impact on their weight status.

SourceElsevier Health Sciences·JournalJournal of Nutrition Education and Behavior·DateJun 15, 2011

Researchers report progress using iPS cells to reverse blindness

Researchers have successfully used induced pluripotent stem (iPS) cells to correct a genetic defect in gyrate atrophy, a rare blinding disorder. The study demonstrates the potential for iPS cells to repair damaged retinal pigment epithelium cells and restore vision.

SourceIndiana University-Purdue University Indianapolis School of Science·JournalStem Cells·DateJun 15, 2011
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.

IADR/AADR publish proceedings from Symposium on Tissue Injury and Pulp Regeneration

A symposium on tissue injury and pulp regeneration has published proceedings that highlight the potential of dental pulp engineering for regenerating functional dentin. Researchers present data on stem cells, scaffolds, and differentiation factors, demonstrating proof of principle for pulp/dentin regeneration.

SourceInternational Association for Dental, Oral, and Craniofacial Research·JournalJournal of Dental Research·DateJun 15, 2011

What will climate change and sea level rise mean for barrier islands?

The study reveals that barrier islands cluster along tectonically calm coasts, with stable coasts producing wide, low relief areas conducive to island formation. The rate of sea level rise is critical in shaping island fate, with rapid rise leading to erosion and disappearance.

SourceNASA/Goddard Space Flight Center·JournalJournal of Coastal Research·DateJun 15, 2011

UT Southwestern surgeons examine hypospadias repair efficacy for patients with differing anatomies

A study published in the Journal of Pediatric Urology found that a surgical technique for repairing hypospadias in boys results in a postoperative success rate better than 95%. The procedure, called tubularized incised plate (TIP) repair, is effective regardless of anatomy, and offers a more natural appearance after surgery.

SourceUT Southwestern Medical Center·JournalJournal of Pediatric Urology·DateJun 15, 2011
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.

Understanding alcohol's damaging effects on the brain

Recent studies have identified specific protein targets in the brain that are affected by alcohol, with distinct binding sites that interact with amino acids to alter normal function. Understanding these molecular mechanisms is crucial for developing new medicines to address alcohol abuse.

SourceAlcoholism: Clinical & Experimental Research·DateJun 15, 2011

Pesticide impact: Comparing lab, field-scale results

Researchers analyzed data collection methods to examine pesticide use's environmental impact. They found that flow velocities of soil water and residence time of pesticides in the soil affect sorption parameters.

SourceAmerican Society of Agronomy·JournalJournal of Environmental Quality·DateJun 15, 2011

How the immune system fights back against anthrax infections

Researchers have uncovered a crucial survival response in the body's immune system to deadly anthrax infections. The study found that a key signaling molecule ATP is released from infected macrophages to alert other immune cells, triggering a complex pathway to combat the bacteria.

SourceUniversity of California - San Diego·JournalImmunity·DateJun 15, 2011
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.

Using olive oil in your diet may prevent a stroke

A new study suggests that regular use of olive oil for cooking and dressing may lower the risk of stroke by 41% compared to non-users. The research found that consuming olive oil was associated with reduced risk of cardiovascular factors such as diabetes, high blood pressure, and obesity.

SourceAmerican Academy of Neurology·JournalNeurology·DateJun 15, 2011

First self-powered device with wireless data transmission

Researchers have created a self-powered nano-device that can transmit data wirelessly over long distances using energy harvested from the environment. The device operates battery-free and has potential applications in medical sensors, surveillance cameras, wearable electronics and more.

SourceAmerican Chemical Society·JournalNano Letters·DateJun 15, 2011

A knockout resource for mouse genetics

A international consortium has developed a novel method to target specific genes in mouse embryonic stem cells, allowing for the disruption of almost 9,000 genes. This resource will enable researchers to study gene activity in models of human disease, advancing our understanding of gene function and its role in mammalian biology.

SourceWellcome Trust Sanger Institute·JournalNature·DateJun 15, 2011
GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Young adults struggle with online political participation

A study by Penn State researchers found that young adults who are web savvy but lack knowledge about federal government may struggle to participate online. The experiment revealed that participants often failed to find correct government websites, citing obstacles such as general lack of knowledge and limited search engine results.

SourcePenn State·DateJun 15, 2011
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.

Landmark report reveals immense burden of osteoporotic fractures in Europe

A new report reveals that osteoporotic fractures have a significant impact on European society, resulting in an estimated 2.5 million new fractures annually and €30.7 billion in health costs. The report estimates that the economic burden of fractures will increase to €38.5 billion by 2025.

SourceInternational Osteoporosis Foundation·JournalArchives of Osteoporosis·DateJun 15, 2011

Nanotechnology makes big inroads into construction industry

Nano-sized particles of titanium dioxide create self-cleaning surfaces on buildings, while carbon nanotubes boost reinforced concrete strength. Nanotechnology also helps make concrete more sustainable by recycling fly ash, reducing environmental impact.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateJun 15, 2011

X-ray telescope finds new voracious black holes in early universe

Astronomers used Chandra X-ray Observatory to discover massive black holes growing more aggressively than thought, in tandem with host galaxies. The study suggests that these young black holes are related to quasars and could have played a role in clearing cosmic fog.

SourceUniversity of Michigan·JournalNature·DateJun 15, 2011
Meta Quest 3 512GB

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

'SpongeBob' mushroom discovered in the forests of Borneo

A new species of mushroom, Spongiforma squarepantsii, has been discovered in the forests of Borneo. The fungus has a bright orange color and can turn purple when exposed to certain chemicals, and it has unique gelatinous properties that allow it to revive quickly if it dries out.

SourceSan Francisco State University·JournalMycologia·DateJun 15, 2011

Entomologists launch the 5,000 Insect Genome Project (i5k)

The i5k Initiative aims to sequence the genomes of 5,000 insects and other arthropods over five years. This will provide valuable information for developing new pesticides, understanding disease transmission, and controlling agricultural pests. The project's leaders invite entomologists worldwide to contribute to the effort.

SourceEntomological Society of America·JournalAmerican Entomologist·DateJun 15, 2011

Health system achieves high flu vaccination rates by mandating masking

Geisinger Health System achieved a high flu vaccination rate of over 92% among employees through a modified mandatory program. The system required staff to wear masks for non-vaccinated employees, resulting in improved team building and full vaccination rates.

SourceSociety for Healthcare Epidemiology of America·JournalInfection Control and Hospital Epidemiology·DateJun 15, 2011
Celestron NexStar 8SE Computerized Telescope

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

What makes a plant a plant?

Researchers have identified a list of plant proteins essential for photosynthesis, known as the GreenCut, which is unique to plants and green algae but not found in non-photosynthetic organisms. The study suggests that these proteins play critical roles in regulating metabolism, DNA transcription, and other cellular processes.

SourceCarnegie Institution for Science·JournalJournal of Biological Chemistry·DateJun 15, 2011

Life expectancy in most US counties falls behind world's healthiest nations

A new study by the Institute for Health Metrics and Evaluation finds that most US counties are falling behind the world's healthiest nations in terms of life expectancy. The study found significant disparities in life expectancy across the US, with women living longer than men in some areas but facing worse outcomes in others.

SourceInstitute for Health Metrics and Evaluation·JournalPopulation Health Metrics·DateJun 15, 2011

'Casanova gene' in female songbirds

Researchers found that female zebra finches inherit the disposition for infidelity from their fathers, who had also engaged in promiscuity. This genetic predisposition increases the likelihood of extra-pair matings, despite costs for females.

SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·DateJun 15, 2011

Neutrinos change flavors while crossing Japan

The T2K experiment has detected six muon neutrinos transforming into electron neutrinos during their journey from a Japanese accelerator to a detector. This finding is significant as it may help explain why the universe has more matter than anti-matter.

SourceDuke University·JournalPhysical Review Letters·DateJun 15, 2011

Dawn of agriculture took toll on health

A global review of research on stature and health during the agriculture transition found consistent trends of declining height and health globally. The study, published by Emory Health Sciences, analyzed data from various world regions and cultures, revealing a link between early agricultural practices and reduced adaptability to stress.

SourceEmory Health Sciences·JournalEconomics & Human Biology·DateJun 15, 2011
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.

Magical thinking helps dieters cope with unrealistic expectations

A new study suggests that magical thinking can help consumers cope with the stress of trying to lose weight by invoking mystical forces. Consumers often describe weight loss as being influenced by mysterious forces, such as a body that 'conspires' against them or food that 'seduces' them.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateJun 15, 2011

Anxious searchers miss multiple objects

A new study found that anxious searchers are more likely to miss multiple objects, particularly the second target, due to anticipatory anxiety. The research, led by Duke University psychologist Stephen Mitroff, has important implications for training and testing searchers in homeland security and healthcare.

SourceDuke University·JournalPsychological Science·DateJun 15, 2011

Teens look to parents more than friends for sexual role models

A national online study found that 45% of teens consider their parents as their primary sexuality role model, while only 32% look to friends and 15% to celebrities. The survey also revealed that teenagers from families with open discussions about sex have a greater awareness of the risks of STIs.

SourceUniversity of Montreal·JournalJournal of Adolescent Health·DateJun 15, 2011

New sensor to measure structural stresses can heal itself when broken

Researchers from NC State University have designed a sensor that can measure strain in structural materials and heal itself when broken. The sensor, which uses infrared light to detect changes in length, contains a UV-curable resin that hardens upon damage, allowing it to repair automatically.

SourceNorth Carolina State University·JournalSmart Materials and Structures·DateJun 15, 2011

UCSF stem cell, cancer scientist honored for pioneering studies

Robert Blelloch's groundbreaking research on microRNAs in embryonic stem cells and cancer has shed light on the molecular mechanisms regulating cell fate transitions. His work holds promise for developing new therapeutic strategies, including inducing adult cells to de-differentiate into pluripotent stem cells.

SourceUniversity of California - San Francisco·DateJun 15, 2011
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.

A grid approach to pandemic disease control

Researchers evaluated Public Health Grid technology during the 2009 H1N1 pandemic to enhance epidemiologists' and disease-control agencies' abilities. The grid approach allowed for quick data acquisition, secure modeling of disease spread, and effective intervention deployment.

SourceInderscience Publishers·JournalInternational Journal of Grid and Utility Computing·DateJun 15, 2011

Animal instincts: Why do unhappy consumers prefer tactile sensations?

A new study suggests that unhappy consumers are more likely to crave tactile experiences, such as hugging a teddy bear, to alleviate negative emotions. This is because their brain systems mimic those of mammals, which prioritize comfort and security in times of stress.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateJun 15, 2011
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.

Leaky genes put evolution on the fast track, Pitt and UW-Madison researchers find

Researchers from the University of Pittsburgh and UW-Madison traced how a specific gene became activated in optical neurons of a fruit fly species over four mutations. They found that small alterations in transcriptional enhancers caused 'leaky' gene activity, leading to the development of a new trait.

SourceUniversity of Pittsburgh·JournalProceedings of the National Academy of Sciences·DateJun 15, 2011

Study hints at antibiotic overuse in home-care patients

A Canadian study suggests doctors may be overprescribing antibiotics for home-care patients, with younger and sicker individuals being at a higher risk of misuse. The most common class of antibiotics prescribed was fluoroquinolones, which could weaken their efficacy against emerging infections.

SourceSociety for Healthcare Epidemiology of America·JournalInfection Control and Hospital Epidemiology·DateJun 15, 2011

23andMe database surpasses 100,000 users

23andMe has built one of the world's largest databases with over 100,000 individuals' genetic data, facilitating rapid recruitment for genome-wide association studies. The company's novel research approach has led to new genetic associations for common traits and rare diseases.

Source23andMe, Inc.·DateJun 15, 2011
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.

UH chemist developing materials to detect, repel E. coli

Rigoberto Advincula has developed two materials effective against E. coli: a graphene material with antimicrobial properties and a conducting polymer that can repel bacteria. His work, published in high-impact journals, is part of his prolific record as a leading polymer researcher.

SourceUniversity of Houston·JournalChemistry of Materials·DateJun 15, 2011

MIT research: Life after 'Snowball Earth'

Researchers discovered ancient fossils of amoeba-like organisms that built shells to survive a frozen climate. The findings suggest life recovered relatively quickly after the first major Snowball Earth event, and provide insights into the evolution of shell-building mechanisms in single-celled microbes.

SourceMassachusetts Institute of Technology·JournalEarth and Planetary Science Letters·DateJun 15, 2011

Testing improves memory

Researchers found that successful testing improves memory performance in all three types of memory: cue, target, and associative. The study suggests that repeated retrieval practice boosts memory, regardless of the type of memory being tested.

SourceAssociation for Psychological Science·JournalPsychological Science·DateJun 15, 2011