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Science News Archive 2013 - Page 255


Page 255 of 352

Plant protein puzzle solved

Researchers from North Carolina State University have created a 3D model of an enzyme that links glucose to cellulose, a crucial component of plant cell walls. The breakthrough could enable genetic engineering of plants and trees for improved fibers or wood strength.

SourceNorth Carolina State University·JournalProceedings of the National Academy of Sciences·DateApr 15, 2013

UNC Charlotte researcher leads effort to forecast optimal energy investments

A team led by UNC Charlotte researcher Deborah Strumsky is forecasting optimal energy investments using novel methods from network theory, performance curve analysis, and ecological systems. The project aims to provide a detailed picture of the solar technology ecosystem, influencing technological progress and informing policy decisions.

SourceUniversity of North Carolina at Charlotte·DateApr 15, 2013
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.

Marine algae show resilience to carbon dioxide emissions

A type of marine algae, Emiliania huxleyi, has been found to be resilient to ocean acidification under high CO2 levels. Although cells grew more slowly under the high CO2 scenario, they did not dissolve away and possessed more calcite, suggesting some ability to tolerate future CO2 scenarios.

SourceNational Oceanography Centre, UK·JournalPLOS ONE·DateApr 15, 2013

La Jolla Institute's surprising finding could alter the face of dengue vaccine development

Researchers at the La Jolla Institute discovered that T cells contribute to host protection against dengue virus infection, contradicting current scientific understanding. This finding may lead to a new approach in dengue vaccine design, potentially improving its effectiveness against the deadly disease.

SourceLa Jolla Institute for Immunology·JournalProceedings of the National Academy of Sciences·DateApr 15, 2013

Training the brain to improve on new tasks

A new study found that training individuals on a working-memory task can improve their performance on various cognitive tasks, including problem-solving and attentional control. The training exercise increased connectivity between specific brain areas, particularly the parietal and frontal brain regions.

SourceCognitive Neuroscience Society·DateApr 15, 2013
Apple iPhone 17 Pro

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

Strong urban cores promote socializing in the city

A study by University of Utah researchers found that cities with strong urban cores have the most positive effect on social interaction. Decentralization has a negative impact on socializing, 10 times more than fragmentation and 20 times longer commute times.

SourceUniversity of Utah·JournalJournal of Transport Geography·DateApr 15, 2013

Preventing cognitive decline in healthy seniors

A review of 32 randomized controlled trials suggests that mental exercise, such as computerized training programs or intensive one-on-one personal cognitive training, may benefit older adults in preventing cognitive decline. The annual rate of dementia-related cognitive decline is estimated to double to over 1 million Canadians by 2047.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateApr 15, 2013

Brain development is guided by junk DNA that isn't really junk

Researchers at UCSF discovered that long noncoding RNA molecules, once considered 'junk', are involved in brain development and may contribute to neurodegenerative diseases. The study identified 88 lncRNAs associated with Huntington's disease and found weaker associations with Alzheimer's and other conditions.

SourceUniversity of California - San Francisco·JournalCell Stem Cell·DateApr 15, 2013
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.

The bigger the group, the smaller the chance of interracial friendship

A University of Michigan study examines how community size affects interracial friendships and found that larger groups discourage such relationships. Researchers tested a theoretical model using data from 4,745 US high school students, revealing the impact of group size on friendship formation.

SourceUniversity of Michigan·JournalProceedings of the National Academy of Sciences·DateApr 15, 2013

Genetic variation contributes to pulmonary fibrosis risk

Pulmonary fibrosis is a condition where lung tissue becomes thickened and scarred, with no approved drugs for its most common form. A new study found that genetic variation accounts for approximately one-third of the risk, identifying seven novel genetic risk loci involved in host defense, cell-cell adhesion, and DNA repair.

SourceUniversity of Colorado Anschutz Medical Campus·JournalNature Genetics·DateApr 15, 2013

In sex, happiness hinges on keeping up with the Joneses, CU-Boulder study finds

A CU-Boulder study found that people reported higher levels of happiness as they reported higher sexual frequency, but also believed their peers were having less sex than them. This 'relative aspect' of sex frequency increases happiness, suggesting social comparisons play a role in the relationship between sex and happiness.

SourceUniversity of Colorado at Boulder·JournalSocial Indicators Research·DateApr 15, 2013

UCLA scientist discover new kidney cancer subtypes

Researchers at UCLA have classified kidney cancer into several unique subtypes, which will aid in tailoring treatment to individual patients. The study, conducted over 10 years, identified deletions of chromosomes 3p and 14q in clear cell renal carcinoma tumors, associated with improved survival rates for some patients.

SourceUniversity of California - Los Angeles Health Sciences·JournalCancer·DateApr 15, 2013
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.

Picture this: A dramatic drop in wrong patient errors

A new study has found that adding a photo of a patient's face to their x-ray images can significantly reduce wrong-patient errors. The study showed that radiologists correctly identified mismatched pairs with photographs, with an error detection rate of 64%, compared to 13% without photos.

SourceAmerican Roentgen Ray Society·DateApr 15, 2013
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.

Gene-expression signature may signify risk for recurrence, metastasis in prostate cancer

Researchers at Massachusetts General Hospital identified a genetic signature associated with the risk of tumor recurrence or spread in men surgically treated for prostate cancer. The 32-gene index proved to be the most accurate method, predicting actual incidence of tumor recurrence (47%) and metastasis (14%) among high-risk patients.

SourceMassachusetts General Hospital·JournalProceedings of the National Academy of Sciences·DateApr 15, 2013

Fainting may run in families while triggers may not

Research suggests that fainting, also known as vasovagal syncope, may have a genetic component, with some families affected by multiple genes. Triggers such as emotional distress, pain, and frightening thoughts vary greatly within families, but the study found no link between triggers and genetic inheritance.

SourceAmerican Academy of Neurology·JournalNeurology·DateApr 15, 2013

Can new plasma-based biomaterials speed healing of injured tissues?

Researchers have developed a new solid form of bioactive plasma-based biomaterials that can promote healing at sites of tissue injury. These materials, known as PBMs, are easier to work with, inexpensive to produce, and safe to use.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalDisruptive Science and Technology·DateApr 15, 2013
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.

Autism model in mice linked with genetics

Researchers have linked autism in a mouse model to abnormalities in specific chromosomal regions and associated genes. The study provides new insights into the disease's causes and may lead to the development of new treatments.

SourceUniversity of California - San Francisco·JournalPLOS ONE·DateApr 15, 2013

NYU researchers offer 12 principles for effective contraceptive counseling

The study suggests 12 principles for effective contraceptive counseling, including establishing expertise and trustworthiness with adolescents and using active learning strategies to engage patients. These principles aim to address the unique developmental needs of adolescents in healthcare settings.

SourceNew York University·JournalJournal of Adolescent Health·DateApr 15, 2013
Meta Quest 3 512GB

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

Smartphone way to lose weight

A new smartphone app, My Meal Mate, has been shown to be effective in helping users track their food intake and exercise for weight loss. The app resulted in an average weight loss of 4.6kg (10lbs) over six months, compared to 2.9kg (6.5lbs) and 1.3kg (3lbs) with a paper-based diary and online diary, respectively.

SourceUniversity of Leeds·JournalJournal of Medical Internet Research·DateApr 15, 2013

Annals of Internal Medicine tip sheet for April 16, 2013, issue

The American College of Physicians recommends high-risk women receive preventive drug therapy to reduce risk of primary breast cancer. CT scans can also be used to screen for osteoporosis at lower costs without additional radiation exposure. However, using computer-aided detection in mammography increases diagnosis of early stage cance...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateApr 15, 2013
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.

ECT can restore quality of life for some severely depressed patients

A study found that electroconvulsive therapy (ECT) can improve the quality of life for severely depressed patients who go into remission. However, patients may experience challenges with social function and emotional role after treatment.

SourceMedical College of Georgia at Augusta University·JournalJournal of Affective Disorders·DateApr 15, 2013

Fish prone to melanoma get DNA decoded

Researchers have decoded the platyfish genome, revealing insights into cancer development and complex behaviors. The study found altered genes involved in live-bearing birth and unique molecular changes, shedding light on the evolution of these traits.

SourceWashU Medicine·JournalNature Genetics·DateApr 15, 2013

Getting to the root of horseradish root problems

Researchers found that at least three fungi cause horseradish disease: Verticillium dahlia, V. longisporum, and Fusarium solani. However, new species F. commune has been linked to the condition, with 83% of infected roots developing root rot. Growers can use IPM techniques to manage the disease.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalPlant Disease·DateApr 15, 2013
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.

'Comparison shopping' by doctors saves money

A study at Johns Hopkins Hospital found that providing physicians with upfront price transparency for laboratory tests resulted in a 9% decrease in test orders and significant cost savings. The practice decreased overall use of tests, saving hundreds of thousands of dollars over six months.

SourceJohns Hopkins Medicine·JournalJAMA Internal Medicine·DateApr 15, 2013

Research finds invasive kudzu bugs may pose greater threat than previously thought

Research from North Carolina State University suggests that invasive kudzu bugs can spread beyond the southern United States to other parts of the country where soybeans are grown. This could lead to significant crop damage, doubling the impact on farmers as both generations of the bug attack soybean crops.

SourceNorth Carolina State University·JournalJournal of Economic Entomology·DateApr 15, 2013

Mass. General team develops implantable, bioengineered rat kidney

Researchers at Massachusetts General Hospital successfully developed implantable, bioengineered rat kidneys that produced urine and functioned in living animals. The approach uses donor organs stripped of cells, repopulated with human or animal cells, and cultured to mimic native organ structure and function.

SourceMassachusetts General Hospital·JournalNature Medicine·DateApr 14, 2013
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.

Icy therapy spot treats cancer in the lung

Researchers have successfully treated metastatic lung cancer using cryoablation, a minimally invasive procedure that uses frozen balls of ice to kill cancerous tumors. The treatment has shown promising results, with 100% effectiveness in killing tumors at three-month follow-up and prolonged survival for patients.

SourceSociety of Interventional Radiology·JournalJournal of Vascular and Interventional Radiology·DateApr 14, 2013

Ordinary skin cells morphed into functional brain cells

Researchers at CWRU School of Medicine discover a technique to directly convert skin cells into myelinating brain cells, potentially treating multiple sclerosis and cerebral palsy. The new method enables rapid production of functional oligodendrocytes, which provide insulation for neurons.

SourceCase Western Reserve University·JournalNature Biotechnology·DateApr 14, 2013
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.

Drug-coated stents prevent leg amputation

In a study presented at the Society of Interventional Radiology's Annual Scientific Meeting, researchers found that drug-coated stents can effectively treat critical limb ischemia by keeping clogged leg arteries open. The treatment resulted in a significant reduction in amputations and improved quality of life for patients.

SourceSociety of Interventional Radiology·JournalJournal of Vascular and Interventional Radiology·DateApr 14, 2013

Electrical pulse treatment pokes holes in hard-to-treat tumors

A new electrical pulse treatment called irreversible electroporation (IRE) has been shown to be safe and effective for treating complex cancers without harming healthy tissue. IRE precisely perforates cancer cells, posing fewer risks to vital structures.

SourceSociety of Interventional Radiology·JournalJournal of Vascular and Interventional Radiology·DateApr 14, 2013

Genetic discovery found to influence obesity in people of African ancestry

A large-scale genetic study has identified three new genetic variants linked to obesity in individuals of African descent, also influencing BMI in the US population with no known African ancestry. The study suggests that these variants are present in nearly all previously identified European-derived obesity genes.

SourceUniversity of Louisville·JournalNature Genetics·DateApr 14, 2013
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.

Better batteries from waste sulfur

Researchers at the University of Arizona have developed a new chemical process that transforms waste sulfur into a lightweight plastic, which may improve batteries for electric cars and other applications. The new plastic has great promise as something that can be produced easily and inexpensively on an industrial scale.

SourceUniversity of Arizona·JournalNature Chemistry·DateApr 14, 2013

Bacterial security agents go rogue

Scientists discovered that certain bacteria require parts of the CRISPR system to stay infectious, using it to shut off a gene that triggers detection by the immune system. This finding could accelerate vaccine development, but also highlights the dangers of defensive tools being co-opted for stealth.

SourceEmory Health Sciences·JournalNature·DateApr 14, 2013

Personalizing prostate specific antigen testing may improve specificity, reduce biopsies

A new study reveals that correcting PSA levels for genetic variants can significantly reduce unnecessary biopsies and false complacency. By tailoring screening levels to an individual's genetic makeup, the risk of prostate cancer can be more accurately assessed. This approach has the potential to prevent up to 15% to 20% of biopsies.

SourceElsevier Health Sciences·JournalThe Journal of Urology·DateApr 14, 2013

Nanosponges soak up toxins released by bacterial infections and venom

Engineers at UC San Diego have developed nanosponges that can neutralize a wide range of pore-forming toxins, including those produced by MRSA, E. coli, and poisonous snakes and bees. The nanosponges are designed to absorb toxins and divert them away from their cellular targets, with promising results in mouse studies.

SourceUniversity of California - San Diego·JournalNature Nanotechnology·DateApr 14, 2013

Freezing nerves knocks pain out cold

Cryoneurolysis, a new interventional radiology treatment, safely short circuits chronic pain caused by nerve damage. After treatment, patients experienced significant lasting pain relief and were able to reduce or eliminate pain medication use.

SourceSociety of Interventional Radiology·JournalJournal of Vascular and Interventional Radiology·DateApr 14, 2013
Fluke 87V Industrial Digital Multimeter

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

Cutting specific pollutants would slow sea level rise

New research shows that reducing emissions of short-lived pollutants like methane, tropospheric ozone, and hydrofluorocarbons can temporarily forestall the rate of sea level rise. This could lower the threat to coastal cities by stabilizing carbon dioxide concentrations in the atmosphere.

SourceNational Center for Atmospheric Research/University Corporation for Atmospheric Research·JournalNature Climate Change·DateApr 14, 2013
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.

Stenting blocked bowel arteries saves lives

Stenting of completely blocked mesenteric arteries can safely restore blood flow to the bowel and resolve patients' symptoms with few complications. This minimally invasive treatment is a game-changer for elderly patients and those with peripheral arterial disease, offering less risk and faster recovery time.

SourceSociety of Interventional Radiology·JournalJournal of Vascular and Interventional Radiology·DateApr 14, 2013