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Science News Archive July 2011 - Page 7


Page 7 of 25

Graphene's 'quantum leap' takes electronics a step closer

Researchers have discovered a 'quantum leap' in graphene's electronic properties, enhancing electron-on-electron interaction. This breakthrough could accelerate research on devices like touch-screens and ultrafast transistors.

SourceUniversity of Manchester·JournalNature Physics·DateJul 24, 2011

Unique volcanic complex discovered on moon's far side

A small volcanic province has been discovered on the Moon's far side, revealing clues to its thermal history. The province was created by upwelling of silicic magma and challenges current ideas about the Moon's volcanic history.

SourceWashington University in St. Louis·JournalNature Geoscience·DateJul 24, 2011
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.

Eat, prey, rain

Researchers developed a model that mimics three predator-prey modes to understand cloud-rain interactions, finding that aerosols affect cloud formation and precipitation. The study provides new insights into the complex relationships between clouds, rain, and aerosols, shedding light on climate patterns and human-induced changes.

SourceWeizmann Institute of Science·JournalProceedings of the National Academy of Sciences·DateJul 24, 2011

New photonic crystals have both electronic and optical properties

The team developed a method to fabricate 3D photonic crystals that are both electronically and optically active, opening new avenues for solar cells, lasers, and metamaterials. The discovery uses epitaxial growth of single-crystal semiconductor through a complex template.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalNature Materials·DateJul 24, 2011

Pocket chemistry: DNA helps glucose meters measure more than sugar

Researchers at the University of Illinois have developed a method to use glucose meters for detecting multiple targets in various samples. Functional DNA sensors enable the detection of vital metabolites, contaminants, and disease markers in a simple, low-cost, and portable manner.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalNature Chemistry·DateJul 24, 2011

Epigenetic 'memory' key to nature versus nurture

Scientists have discovered a mechanism for epigenetic memory in plants, which affects the timing of flowering based on environmental conditions. The study reveals that histone modifications can be passed on to offspring, providing a new understanding of how organisms 'remember' their environment.

SourceBiotechnology and Biological Sciences Research Council·JournalNature·DateJul 24, 2011
Apple iPhone 17 Pro

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

Soft spheres settle in somewhat surprising structure

Researchers at Penn State have discovered that particles in liquids don't always settle at the bottom based on size or speed. Instead, they arrange themselves in a way that achieves the lowest energy state, often resulting in a layered structure with larger particles at the bottom and smaller ones above.

SourcePenn State·JournalNature Materials·DateJul 24, 2011

Weak synchronization in toddler brains may be a biological marker for autism

Scientists at the Weizmann Institute of Science have identified a biological sign of autism in very young toddlers by scanning their brain activity while sleeping. The study found that autistic brains exhibited weaker synchronization between brain areas tied to language and communication compared to non-autistic children.

SourceWeizmann Institute of Science·JournalNeuron·DateJul 24, 2011

Battle won against Asian tiger mosquito

A combination of strategies, including eliminating stagnant water and removing vegetation, significantly reduced the number of tiger mosquito eggs in treated areas. The study, published in Transactions of the Royal Society of Tropical Medicine and Hygiene, demonstrates a substantial reduction in eggs compared to control areas.

SourceUniversitat Autonoma de Barcelona·JournalTransactions of the Royal Society of Tropical Medicine and Hygiene·DateJul 22, 2011

Shining a light on the elusive 'blackbody' of energy research

Researchers at Boston College have developed a designer metamaterial that can engineer emitted 'blackbody' radiation with an efficiency beyond natural limits, opening doors for innovative energy harvesting applications. The material's ability to control emissivity could further enhance energy conversion efficiency.

SourceBoston College·JournalPhysical Review Letters·DateJul 22, 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.

Drexel study: Misuse of pain medication is pathway to high-risk behaviors

A Drexel University study reveals that misuse of prescription painkillers is a pathway to injecting drugs, particularly among young people with a history of opioid use. The research found common factors like family history of drug misuse and access to prescriptions contributed to the initiation of prescription drug misuse.

SourceDrexel University·JournalInternational Journal of Drug Policy·DateJul 22, 2011

ONR technology to aid in war on drugs

The Joint Interagency Task Force South is installing a new software technology developed by the Office of Naval Research (ONR) to eliminate illegal drug trafficking. The Command and Control Rapid Prototype Continuum (C2RPC) system provides continuous rapid delivery of warfighter capability to support time-sensitive decision making.

SourceOffice of Naval Research·DateJul 22, 2011

IV fluids may reduce severity of kidney failure in kids with E. coli infection

Researchers found that intravenous fluids can lower the odds of developing severe kidney failure in children infected with E. coli O157:H7, a common cause of pediatric kidney failure. The study suggests that early fluid administration may protect kidneys and reduce the need for dialysis.

SourceWashU Medicine·JournalArchives of Pediatrics and Adolescent Medicine·DateJul 22, 2011

A*Star scientists discover how to combat hospital-acquired infections and life-threatening toxins

A*STAR scientists have discovered a potential antidote for Ricin and Pseudomonas exotoxin, two deadly toxins responsible for hospital-acquired infections. The study identified ERGIC2 as a therapeutic target, paving the way for developing generic antidotes against these life-threatening toxins.

SourceAgency for Science, Technology and Research (A*STAR), Singapore·JournalDevelopmental Cell·DateJul 22, 2011
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.

Cellular stress can induce yeast to promote prion formation

Research in yeast reveals that cellular stress can induce the formation of infectious protein particles called prions, which are associated with neurodegenerative disorders. The study identifies a protein called Lsb2 that promotes spontaneous prion formation under stress conditions.

SourceEmory Health Sciences·JournalMolecular Cell·DateJul 22, 2011

Endangered river turtle's genes reveal ancient influence of Maya Indians

A recent genetic study found that centuries of human activity, including trade and rituals, have mixed the genetic lineages of the critically endangered Central American river turtle. The turtles' shells made them easy to transport, allowing them to be brought together from isolated river basins.

SourceSmithsonian·JournalConservation Genetics·DateJul 22, 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.

Can feeling too good be bad? Positive emotion in bipolar disorder

People with bipolar disorder experience excessive positive emotions, even in neutral situations, which can lead to reckless behavior and relationship problems. This persistent positivity may serve as an early warning sign for relapse.

SourceAssociation for Psychological Science·JournalCurrent Directions in Psychological Science·DateJul 22, 2011

Earliest watery black hole discovered

Astronomers have found the largest and farthest reservoir of water ever detected in the universe, located in a distant quasar with a massive black hole. The discovery provides valuable information about the early universe's water vapor behavior and its influence on cosmic evolution.

SourceCarnegie Institution for Science·JournalThe Astrophysical Journal Letters·DateJul 22, 2011

NASA catches 3 tropical cyclones at 1 time

NASA's GOES-13 satellite captured an image of Tropical Depression Bret, Tropical Storm Cindy, and a low-pressure area associated with a tropical wave in the Caribbean. The storm system is located in two ocean basins, with Bret and Cindy racing through the North Atlantic and Hurricane Dora weakening in the eastern Pacific.

SourceNASA/Goddard Space Flight Center·DateJul 22, 2011
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.

PGA invests in minority golf opportunities

The PGA has implemented targeted efforts to improve minority participation in golf, including the PGA Professional Golf Management Program accreditation at the University of Maryland, Eastern Shore. The program has helped expose minority students to golf and provided scholarships to encourage participation.

SourceSAGE·JournalSAGE Open·DateJul 22, 2011

Farthest, largest water mass in universe discovered

Researchers detected massive water vapor in a distant quasar, equivalent to 34 billion times the mass of Earth. The discovery was made using a spectrograph called Z-Spec and reveals a time when the universe was only 1.6 billion years old.

SourceUniversity of Colorado at Boulder·JournalThe Astrophysical Journal Letters·DateJul 22, 2011

NSF awards $3 million to triangle scientists to improve federal data

A team of statisticians from Duke University received a $3 million grant to develop statistical methods for making US Census Bureau data available to researchers and the public. The Triangle Census Research Network will preserve anonymity while improving data quality and linking it to related sources.

SourceDuke University·DateJul 22, 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.

New target found for nitric oxide's attack on salmonella bacteria

Researchers have found a new target for nitric oxide's antimicrobial actions, which disrupts Salmonella's metabolism and prevents its growth. The discovery sheds light on the body's natural defenses against infection and may lead to the development of new broad-spectrum antimicrobials.

SourceUniversity of Washington·JournalCell Host & Microbe·DateJul 22, 2011

Hospital bacteria outbreak linked to nasal spray

A bacterial outbreak of Burholderia cepacia complex was linked to contaminated nasal spray products, leading to a national recall. The investigation highlighted the need for improved testing protocols in the production and distribution of over-the-counter pharmaceuticals.

SourceSociety for Healthcare Epidemiology of America·JournalInfection Control and Hospital Epidemiology·DateJul 21, 2011

Study: Subsidizing wages at long-term care facilities would cut turnover

A new study finds that subsidizing caregivers' wages can reduce worker turnover rates by one-third, improving the quality of experience for clients. The research uses data from group homes for persons with developmental disabilities to perform a cost-benefit analysis of wage subsidy policies.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalJournal of Disability Policy Studies·DateJul 21, 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.

Metabolic syndrome increases risk of both major types of primary liver cancer

A large-scale study found metabolic syndrome significantly increases risk of developing hepatocellular carcinoma and intrahepatic cholangiocarcinoma, two major types of primary liver cancer. Metabolic syndrome was present in 37% of persons who developed HCC and 30% of those who developed ICC, compared to 17% of those without cancer.

SourceWiley·JournalHepatology·DateJul 21, 2011

Grazing management effects on stream pollutants

A study by Iowa State University found that grazing management practices can greatly reduce the amount of sediment, phosphorus, and pathogens deposited into pasture streams. Simple and practical techniques can be implemented to minimize pollution while allowing cattle to graze on pasture stream banks.

SourceAmerican Society of Agronomy·JournalJournal of Environmental Quality·DateJul 21, 2011

Agilent Technologies and A*STAR launch all-in-one drug screening platform

A*STAR and Agilent launch an integrated drug screening platform, enabling high-throughput screening and automation of compound management and assay plate preparation. The partnership accelerates medical solution development and strengthens biomedical research capabilities.

SourceAgency for Science, Technology and Research (A*STAR), Singapore·DateJul 21, 2011
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.

UCI-led butterfly study sheds light on convergent evolution

A team of international researchers led by UC Irvine's Robert Reed has identified a single gene called optix responsible for red wing color patterns in various passion vine butterfly species. This breakthrough discovery sheds light on how mimicry and convergent evolution occur at a genetic level.

SourceUniversity of California - Irvine·JournalScience·DateJul 21, 2011

Forest fungus factory

A University of Vermont scientist has developed a bio-pesticide using an insect-killing fungus and sweet whey to reduce the growth rate of hemlock woolly adelgid. The treatment showed promising results in trials, with a 50% reduction in pest population in infested trees.

SourceUniversity of Vermont·DateJul 21, 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.

Diamonds pinpoint start of colliding continents

Researchers analyzed data from over 4,000 mineral inclusions in diamonds to determine that the Wilson cycle of plate tectonics began around 3 billion years ago. This marks the start of the process that shaped the Earth's continental crust and led to mountain building and ocean basin closures.

SourceCarnegie Institution for Science·JournalScience·DateJul 21, 2011

MIT: Inside the innards of a nuclear reactor

Researchers at MIT have developed tiny robots to inspect underground pipes in nuclear reactors, detecting corrosion and radioactive leaks. The robots can withstand extreme environments and transmit images in real-time, enabling safer operation of aged reactors.

SourceMassachusetts Institute of Technology·DateJul 21, 2011

Chance favors the concentration of wealth, U of M study shows

A University of Minnesota study found that chance consistently pushes wealth into the hands of a few individuals, leading to dramatic concentration of wealth over time. The researchers' model, published in PLOS ONE, suggests that high variation among individual return rates accelerates wealth concentration.

SourceUniversity of Minnesota·JournalPLOS ONE·DateJul 21, 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.

Bacterial attack strategy uses special delivery of toxic proteins

Bacteria Pseudomonas aeruginosa employs a unique secretion system to break down its opponents' cell walls, causing their breakdown. The bacteria protects itself from this attack by using immunity proteins that counteract the effects of toxic proteins it secretes.

SourceU.S. National Science Foundation·JournalNature·DateJul 21, 2011

Dolphins' 'remarkable' recovery from injury offers important insights for human healing

Researchers explore dolphins' remarkable ability to heal from shark bites with minimal pain or infection, proposing that blubber contains antimicrobial compounds. The dolphin's healing process is similar to regeneration, where tissues are knitted together with existing fabric, offering new perspectives for human injury care.

SourceGeorgetown University Medical Center·JournalJournal of Investigative Dermatology·DateJul 21, 2011

Do we buy cosmetics because they are useful or because they make us feel good?

A study by UPV/EHU shows that people prioritize emotional reasons over usefulness when buying cosmetics. Women's negative emotions about their appearance drive their purchasing decisions. The study highlights the importance of addressing these negative feelings through persuasive marketing strategies focused on emotional aspects.

SourceSpanish Foundation for Science and Technology·JournalAFRICAN JOURNAL OF BUSINESS MANAGEMENT·DateJul 21, 2011
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.

NASA satellite video and images show Dora become a major hurricane

Hurricane Dora's eye was visible on multiple NASA satellites, including Aqua and GOES-11, providing forecasters with clear views of the storm's intensification. The National Hurricane Center expects some weakening by tonight and rapid weakening on Friday as Dora battles wind shear and cooler waters.

SourceNASA/Goddard Space Flight Center·DateJul 21, 2011

Minority participants crucial to effective aging studies

The Gerontological Society of America recommends including ethnically diverse populations in aging research. Minority participants are key to developing recruitment and retention methods that address unique cultural and sociopolitical challenges.

SourceThe Gerontological Society of America·JournalThe Gerontologist·DateJul 21, 2011

Parasites help reveal new ecological rules

Scientists at UC Santa Barbara have discovered two general rules for ecosystem abundance: one based on body size and food chain position, and another that biomass production is independent of animal size or type.

SourceUniversity of California - Santa Barbara·JournalScience·DateJul 21, 2011

Optimism associated with lower risk of having stroke

A new study suggests that people with higher levels of optimism may be less likely to have a stroke. The research found that each point increase in optimism corresponded to a 9 percent decrease in acute stroke risk over a two-year follow-up period.

SourceAmerican Heart Association·DateJul 21, 2011

Hepatitis B vaccination for health care students lags behind recommendations

A study found that only 59.8% of health care students had documentation of complete hepatitis B vaccination, while 83.8% were protected against infection when tested for antibodies. The rates are lower than the US government's Healthy People 2010 goal of 90% hepatitis B vaccination coverage among health care workers.

SourceSociety for Healthcare Epidemiology of America·JournalInfection Control and Hospital Epidemiology·DateJul 21, 2011
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.