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Science News for September 21, 2010


First observation of the folding of a nucleic acid

Researchers describe DNA hairpin folding process in water with atomic resolution, finding competition between fast and slow routes and random exploration of microscopic details. This breakthrough has significant implications for therapeutic strategies based on oligonucleotides and RNA interference treatments.

SourceInstitute for Research in Biomedicine (IRB Barcelona)·JournalAngewandte Chemie·DateSep 21, 2010
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.

'Synthetic lethality' strategy improves molecularly targeted cancer therapy

Researchers at Fox Chase Cancer Center identified over 60 proteins necessary for cancer cells to survive with EGFR inhibitors, demonstrating a two-hit strategy that increases tumor cell death. This approach will open the door for future therapies and has already led to two clinical trials testing innovative drug combinations.

SourceFox Chase Cancer Center·JournalScience Signaling·DateSep 21, 2010

Results of the placement of multiple endoscopic stents for postoperative biliary strictures remains excellent after long-term follow-up

A new study reports a low stricture recurrence rate of postoperative biliary strictures after endoscopic stent placement, with successful retreatment options available. The study followed up on patients who underwent the treatment from 2001 to 2010, finding that most remained asymptomatic and had normal liver function tests.

SourceAmerican Society for Gastrointestinal Endoscopy·JournalGastrointestinal Endoscopy·DateSep 21, 2010
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.

Wake up your brain

Researchers led by Dr. Akihiro Yamanaka discovered that orexin-releasing neurons have a self-excitation mechanism that activates each other, maintaining high-level activity and wakefulness. This finding overturns an existing theory and suggests that this mechanism may be involved in insomnia.

SourceNational Institute for Physiological Sciences·DateSep 21, 2010

Too many systematic reviews?

A growing concern is the increasing volume of clinical trials and systematic reviews published every day. The authors propose reducing unnecessary trials to prioritize truly systematic reviews, ensuring that patient needs are met through valid answers. Open access to these resources is also emphasized.

SourcePLOS·JournalPLOS Medicine·DateSep 21, 2010

A single application for every device

The Webinos project aims to create a universal application platform for cross-platform use of services and technologies across mobile, PC, TV, and in-car devices. The consortium is developing an open source platform and software components that will enable industry-wide collaboration and eliminate economic barriers.

SourceFraunhofer-Gesellschaft·DateSep 21, 2010
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.

Risk of infection after ultrasound-guided procedures is low, study suggests

A recent study published in the American Journal of Roentgenology found that the incidence of serious infection after common ultrasound-guided procedures is low. The researchers reviewed 13,534 procedures and reported only 14 procedure-related infections, with nearly all patients improving on antibiotics alone.

SourceAmerican College of Radiology·JournalAmerican Journal of Roentgenology·DateSep 21, 2010

China's environmental challenges have global implications

China's rapid growth has led to significant environmental challenges with worldwide implications, emphasizing the need for a systems approach to tackle these issues. The country's biodiversity is threatened by extinction, and climate change requires global cooperation to develop low-emission industries.

SourceMichigan State University·JournalCritical Reviews in Environmental Science and Technology·DateSep 21, 2010

Doctor's health habits affect patient counseling

A study published in Preventive Cardiology found that doctors' own health habits influence their confidence in counseling patients on healthy diet and exercise. The survey showed that attending physicians were more likely to counsel patients on these topics than trainees, especially those who exercised regularly.

SourceMichigan Medicine - University of Michigan·JournalPreventive Cardiology·DateSep 21, 2010
Apple iPhone 17 Pro

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

The Achilles' heel of tendons

Researchers at Case Western Reserve University have discovered the weakest link in tendons, a crucial connection between bones and muscles. The discovery focuses on collagen fibrils, which are five times stronger than tendons but may hold the key to increasing flexibility and healing damage.

SourceCase Western Reserve University·JournalBiophysical Journal·DateSep 21, 2010

Inner voice plays role in self-control

A study by researchers at the University of Toronto Scarborough found that using an inner voice helps individuals exercise self-control and resist impulsive decisions. The team conducted tests where participants were unable to verbalize messages to themselves, leading to increased impulsivity.

SourceUniversity of Toronto·JournalActa Psychologica·DateSep 21, 2010

Stroke gene discovered

Researchers have discovered that an enzyme called NOX4 produces hydrogen peroxide after a stroke, leading to nerve cell death. Inhibiting this enzyme with a new drug reduces brain damage and preserves brain functions in mice with stroke.

SourcePLOS·JournalPLOS Biology·DateSep 21, 2010
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.

Brain cell communication: Why it's so fast

Researchers at the University of Copenhagen have discovered that brain cell communication relies on three copies of the 'linking bridge' or SNARE complex to enable rapid fusion of vesicles with membranes. This process allows for simultaneous signal transmission, which is crucial for cognitive functions and overall brain activity.

SourceUniversity of Copenhagen·JournalScience·DateSep 21, 2010

Research sheds light on altruism

Researchers at Michigan State University used digital evolution techniques to study altruism in species, finding that genes are more likely to help those physically similar to them. This challenges traditional kin selection theory and raises the possibility of life on other planets based on shared genes rather than familial units.

SourceMichigan State University·DateSep 21, 2010

Parting the waters: Computer modeling applies physics to Red Sea escape route

A new study uses computer simulations to recreate the parting of the Red Sea, suggesting a strong east wind could have created a safe passage for fleeing Israelites. The research estimates that a wind of 63 miles an hour would have pushed back waters, exposing mud flats for four hours.

SourceNational Center for Atmospheric Research/University Corporation for Atmospheric Research·JournalPLOS ONE·DateSep 21, 2010
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.

Cardiac Cath Lab Director

The new bimonthly journal Cardiac Cath Lab Director is being launched by SAGE, providing administrators and managers with the latest research and evidence-based information on cardiac catheterization procedures. Topics include cardiovascular anatomy, department administration, diagnostic techniques, and patient safety.

SourceSAGE·JournalCardiac Cath Lab Director·DateSep 21, 2010

Certain doped-oxide ceramics resist Ohm's Law

Researchers at the University of Sheffield discovered that certain doped-oxide ceramics exhibit non-Ohmic behavior, with electrical resistance changing in response to voltage. The effect is consistent regardless of temperature or atmosphere, but time and final-state resistance are temperature-dependent.

SourceAmerican Institute of Physics·JournalApplied Physics Letters·DateSep 21, 2010
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.

Asian efforts in AIDS vaccine development step up

The formation of AVAN, the AIDS Vaccine for Asia Network, aims to accelerate research and development of an AIDS vaccine through government advocacy and improved coordination. With over 5 million people infected and 500 million at risk, regional efforts must be strengthened to combat HIV in Asia.

SourcePLOS·JournalPLOS Medicine·DateSep 21, 2010

Ultrashort laser ablation enables novel metal films

Researchers have developed a method for creating novel metal films using ultrashort laser ablation, which allows for precise control over nanoparticle structures. This technique has potential applications in fields such as surface-enhanced Raman spectroscopy and the growth of carbon nanotubes.

SourceAmerican Institute of Physics·JournalJournal of Applied Physics·DateSep 21, 2010

Leaders of the pack display high EQ, Rotman study finds

A new study published in The Leadership Quarterly found that individuals with high emotional intelligence (EQ) are more likely to be perceived as leaders by their peers. Emotional ability tests revealed that those identified as leaders scored higher on tasks such as emotion recognition and regulation strategies.

SourceUniversity of Toronto, Rotman School of Management·JournalThe Leadership Quarterly·DateSep 21, 2010
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.

MRI could be used for routine surveillance of great vessel stents

A study has found that magnetic resonance imaging (MRI) can accurately assess the condition of certain stents used in children and young adults with congenital heart defects. Researchers discovered that specific MRI sequences can visualize the stents without radiation, making it a safer option for routine surveillance.

SourceAmerican College of Radiology·JournalAmerican Journal of Roentgenology·DateSep 21, 2010

Savvy consumers put a high price on food safety

Research from Michigan State University shows that food safety concerns significantly impact consumer spending and shopping habits. Consumers value third-party certification, but place more emphasis on traceability, seeing government inspection as the most credible signal of food safety.

SourceMichigan State University·DateSep 21, 2010

Scientists using lasers to cool and control molecules

A team of Yale physicists has successfully cooled molecules using lasers, bringing scientists closer to individual molecule-based qubits. This achievement promises new applications in quantum computing, chemistry, and particle physics, offering a promising breakthrough in the field.

SourceYale University·JournalNature·DateSep 21, 2010
Sony Alpha a7 IV (Body Only)

Sony Alpha a7 IV (Body Only) delivers reliable low-light performance and rugged build for astrophotography, lab documentation, and field expeditions.

College students want more information about native wildflowers

A study found that Florida college students have a generally low awareness of native wildflowers but express high interest in learning more about their identification, cultivation, and use. The research team recommends incorporating native wildflowers into plant-related courses, field activities, and elective courses to promote their c...

SourceAmerican Society for Horticultural Science·JournalHortTechnology·DateSep 21, 2010

UCSF receives $15.4 million to create systems biology center

The UCSF Center for Systems and Synthetic Biology will investigate fundamental design principles of adaptation in cells using forward engineering and comparative genomics. The center's findings may lead to new therapeutic tools and the development of synthetic circuits that can trigger desired cellular responses.

SourceUniversity of California - San Francisco·DateSep 21, 2010

Study examines use of stent with bioabsorbable polymer

The CREATE study demonstrated satisfactory angiographic and clinical outcomes for biodegradable polymer-based sirolimus eluting stents. The use of these stents with a recommended antiplatelet regimen resulted in a low rate of major adverse cardiac events and stent thrombosis.

SourceCardiovascular Research Foundation·DateSep 21, 2010
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.

Training the trainers: How to minimize stress when horses are first ridden

Research by Alice Schmidt examined stress in young horses during initial training, finding that mounting is a significant source of stress. However, exercise and proper training can alleviate stress levels over time. Gentle handling from the start is crucial to develop a strong bond between horse and rider.

SourceUniversity of Veterinary Medicine -- Vienna·JournalHormones and Behavior·DateSep 21, 2010

Watching electrons move in real time

Researchers used femtosecond X-ray powder diffraction to observe the relocation of charges in an ammonium sulfate crystal after photoexcitation. The technique produces a 'molecular movie' of atomic movement at atomic time and length scales.

SourceAmerican Institute of Physics·JournalThe Journal of Chemical Physics·DateSep 21, 2010

War on cancer produces collateral damage to the heart

This special issue examines the ways cancer treatment affects cardiovascular function and overall survival, highlighting key challenges and potential strategies for minimizing collateral damage. Key findings include the need for cardiac outcomes data and evidence-based practice guidelines to mitigate heart-related complications.

SourceElsevier Health Sciences·JournalProgress in Cardiovascular Diseases·DateSep 21, 2010

Complex brain landscape controls speech

Researchers mapped the cerebral cortex to find multiple areas controlling speech, rather than a single Broca's region. This discovery alters our understanding of language development and disorders, requiring future functional analysis of the new organization.

SourceHelmholtz Association·JournalPLOS Biology·DateSep 21, 2010
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.

Psychologist shows why we 'choke' under pressure -- and how to avoid it

Research shows that choking occurs when the brain becomes overwhelmed, leading to information logjams. Practical strategies like stopping analysis and using meditation can help prevent choking in critical moments. Beilock's work also highlights the importance of working memory and addressing stereotype threats in academics and business.

SourceUniversity of Chicago·DateSep 21, 2010

Vitamin D protects against obesity-induced endometrial cancer, GUMC researchers say

Researchers found that vitamin D supplementation reduced the development of endometrial cancer in obese mice by 60%, compared to those not treated with the supplement. The study suggests that vitamin D may offer a simple way to reduce endometrial cancer risk for women, particularly those who are overweight or obese.

SourceGeorgetown University Medical Center·JournalCancer Prevention Research·DateSep 21, 2010

A less toxic, more efficient dispersant is scientist's goal

A University at Buffalo researcher is working on designing more environmentally friendly oil dispersants using polymers, surfactants and solvents. Her goal is to create novel dispersants that can interact with crude oil and naturally occurring particles at the nanoscale level.

SourceUniversity at Buffalo·DateSep 21, 2010
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.

Rice growers turn to computer for advice, predictions

Researchers at Texas A&M AgriLife Communications developed a computer program to provide rice farmers with accurate forecasts and recommendations. The Rice Development Advisory program combines climate, soil, and weather data to help farmers plan planting, irrigation, and harvesting.

SourceTexas A&M AgriLife Communications·DateSep 21, 2010

Progress toward terabit-rate high-density recording

Scientists have made significant progress toward creating ultra-high-density storage devices capable of storing more than 6,000 Terabits of data on a single disc. Using laser-assisted ultrafast magnetization reversal dynamics, researchers achieved sub-nanosecond recording times.

SourceAmerican Institute of Physics·JournalJournal of Applied Physics·DateSep 21, 2010
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.

Adverse cardiac events are rare after a negative cardiac CTA exam, study suggests

A study of 70 patients with low-to-moderate risk chest pain and a negative cardiac CT scan found no signs or symptoms of adverse cardiac events during the year after discharge. The results suggest that earlier discharge based on negative cardiac CTA results may be safe and clinically efficacious.

SourceAmerican College of Radiology·JournalAmerican Journal of Roentgenology·DateSep 21, 2010

Targeted therapy triggers complex mechanism of resistance

Researchers found that genes in a signaling network, not just individual molecules, contribute to resistance. Most genes were not mutated, but rather altered their function to evade treatment. The study's findings highlight the need for new therapeutic approaches targeting the complex interactions within cancer cell networks.

SourceGeorgetown University Medical Center·JournalScience Signaling·DateSep 21, 2010

The Joy of sets: For ants and trees, multiple partners are a boon

A University of Florida study reveals that trees with sequential ant partners produce more offspring than those with lifelong associations. The research shows that even 'cheating' ants can be beneficial by causing trees to produce seeds before being killed, and another ant species defends the tree but later allows it to reproduce.

SourceUniversity of Florida·JournalProceedings of the National Academy of Sciences·DateSep 21, 2010
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.

OHSU research suggests compound administered during some bone marrow transplants elevates risks

Research at OHSU's Vaccine and Gene Therapy Institute suggests that G-CSF, a hormone stimulating stem cell growth, can reactivate human cytomegalovirus in bone marrow recipients, increasing their risk of infection. The study highlights the need for factoring in the risks associated with G-CSF use during transplants.

SourceOregon Health & Science University·JournalCell Host & Microbe·DateSep 21, 2010

High-dose aspirin reduces pain for severe headache and migraine

Researchers found that high-dose intravenous aspirin significantly reduced pain in patients with severe withdrawal headaches caused by medication overuse. The study showed that 25% of participants experienced a significant reduction in pain, while 40% reported a modest pain reduction.

SourceUniversity of California - San Francisco·JournalNeurology·DateSep 21, 2010

Community-based treatment of malaria, pneumonia could save lives, BU study finds

A BU study shows that empowering community health workers with a rapid diagnostic test and antibiotics can significantly increase the proportion of appropriately timed antibiotic treatments for non-severe pneumonia and decrease inappropriate use of anti-malarials. The study found a five-fold increase in timely treatment of pneumonia.

SourceBoston University School of Medicine·JournalPLOS Medicine·DateSep 21, 2010
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.

Scientists identify a new target for Alzheimer's disease

Researchers at Rush University Medical Center have identified neutral sphingomyelinase as a key player in the progression of Alzheimer's disease. By inhibiting this protein, they were able to prevent activated brain cells and beta-amyloid from killing neurons.

SourceRush University Medical Center·DateSep 21, 2010

Mixed-use neighborhoods reduce some violent crimes, study says

A recent study suggests that mixed-use neighborhoods can lead to lower levels of violent crime in both impoverished and affluent areas. However, the study found that increases in business-residential density initially lead to higher levels of violent crimes before declining after a certain threshold is reached.

SourceOhio State University·JournalJournal of Research in Crime and Delinquency·DateSep 21, 2010

NIH study models H1N1 flu spread

The Models of Infectious Disease Agent Study (MIDAS) researchers used computational modeling to predict the potential outcomes of different interventions for the H1N1 flu strain. The study found that vaccinating school-aged children substantially reduced overall disease spread and prevented up to 100 million additional cases.

SourceNIH/National Institute of General Medical Sciences·DateSep 21, 2010

Hormone oxytocin improves social cognition but only in less socially proficient individuals

Researchers found that oxytocin selectively improves social cognitive abilities in less socially proficient individuals but has little effect on those who are more socially proficient. The study suggests oxytocin may hold potential for treating social deficits in people with disorders marked by deficits in social functioning.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalPsychological Science·DateSep 21, 2010
Fluke 87V Industrial Digital Multimeter

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

Data show clinical benefit from mitral valve clip device

A new percutaneous mitral valve clip device demonstrated significant clinical benefits for patients with mitral valve regurgitation, improving left ventricular function and quality of life scores. The study found that patients with reduced MR grade at 12 months experienced marked clinical benefit.

SourceCardiovascular Research Foundation·DateSep 21, 2010

New housing tool set to improve life for older people

A new housing design tool, EVOLVE, helps assess the quality of life for older people by evaluating physical support and personal well-being. The tool evaluates buildings based on user requirements such as accessibility, health and safety, and security, providing a domain score.

SourceUniversity of Sheffield·DateSep 21, 2010

Imatinib treatment interruption shows no benefit for patients with advanced gastrointestinal cancer

A new study published in The Lancet Oncology found that imatinib treatment interruption after 3 years results in rapid relapse and low progression-free survival. Patients who stopped treatment experienced significant tumour growth and poor overall survival, highlighting the need for continuous treatment to maintain cancer control.

SourceThe Lancet_DELETED·JournalThe Lancet Oncology·DateSep 21, 2010

New therapy found for lung and skin cancer, based on suicide gene E

Scientists at the University of Granada have developed a new therapy for skin and lung cancer using a suicide coliphage-gene, demonstrating effectiveness in vitro and in vivo. The treatment involves inducing cell death in tumour cells, potentially reducing the need for chemotherapy.

SourceUniversity of Granada·JournalJournal of Molecular Medicine·DateSep 21, 2010
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.

New study links political connections to corporate corruption

A new study from the journal Financial Management found that politically connected firms enjoy higher leverage, lower taxes, and regulatory protection. This study highlights the benefits of having government ties for corporate success, suggesting distortions in public resource allocation are common globally.

SourceWiley·JournalFinancial Management·DateSep 21, 2010

Invaders could devastate Florida avocado industry

A new study by the American Society for Horticultural Science warns of a devastating impact on Florida's $54 million avocado industry due to invasive diseases. The potential loss could range from $183 million to $356 million, highlighting the need for urgent action.

SourceAmerican Society for Horticultural Science·JournalHortTechnology·DateSep 21, 2010
Celestron NexStar 8SE Computerized Telescope

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

Genomic 'haircut' makes world's tiniest genome even smaller: UBC research

Researchers led by UBC Prof. Patrick Keeling discovered a closely related parasite, E. intestinalis, with a 20% smaller genome than E. cuniculi, shedding hundreds of genes from its ends. The 'haircut' reveals insights into extreme genome evolution under specific conditions.

SourceUniversity of British Columbia·JournalNature Communications·DateSep 21, 2010