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Science News Archive 2013 - Page 67


Page 67 of 352

Mayo Clinic study: Uterine fibroids have significant impact on quality of life, workplace performance

A recent Mayo Clinic survey found that uterine fibroids significantly impact the quality of life and workplace performance of women, with African-American women experiencing more severe symptoms and delayed diagnosis. The study highlights the need for better treatment options and increased awareness about this common public health issue.

SourceMayo Clinic·JournalAmerican Journal of Obstetrics and Gynecology·DateOct 24, 2013

Researchers design global HIV vaccine that shows promise in monkeys

A new HIV vaccine has demonstrated partial protection against simian-human immunodeficiency virus in rhesus monkeys, with an 87-90% reduction in infection rate. The vaccine uses optimized antigens that mount antibody and cellular immune responses to diverse strains of the virus.

SourceBeth Israel Deaconess Medical Center·JournalCell·DateOct 24, 2013
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.

Why plants usually live longer then animals

Scientists at VIB and Ghent University identified a new protein, ERF115 transcription factor, which regulates quiescent center cells. This discovery explains why plants can live for hundreds of years while animals typically do not.

SourceVIB (the Flanders Institute for Biotechnology)·JournalScience·DateOct 24, 2013

Bigger, better, faster

Researchers at EMBL have determined the 3D structure of RNA polymerase I, revealing a unique 'Swiss-army knife' strategy that allows it to produce RNA molecules faster than its counterpart, RNA polymerase II. The protein's larger size and efficiency are due to its built-in modules, which prevent the need for external recruitment.

SourceEuropean Molecular Biology Laboratory·JournalNature·DateOct 24, 2013

King of beasts losing ground in Uganda's paradise

African lions in Uganda have decreased by over 30% in the past decade due to poisoning and human-related conflicts. The species' decline poses a significant threat to the country's tourism industry and ecosystem balance.

SourceWildlife Conservation Society·JournalOryx·DateOct 24, 2013

Barrier to HIV cure bigger than previously thought

A new study published in Cell suggests that the latent reservoir of HIV-infected patients is significantly larger than previously estimated, making it a major barrier to cure. The findings highlight limitations of current treatment strategies and could lead to the development of more effective interventions.

SourceCell Press·JournalCell·DateOct 24, 2013

Reservoir of hidden HIV larger than previously thought

Researchers at Howard Hughes Medical Institute discovered that the pool of inactive HIV viruses in a patient's body is larger than expected, with some retaining the ability to become active even after treatment. This finding suggests that targeting the inactive viruses, known as proviruses, is crucial for achieving a complete cure.

SourceHoward Hughes Medical Institute·JournalCell·DateOct 24, 2013
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.

Coyote more likely to make a meal out of moose than we thought: Study

Researchers found that eastern coyotes and coyote × wolf hybrids in central Ontario have killed adult moose, challenging the long-held notion of their inability to tackle such prey. The study also discovered that younger and older adult moose are more vulnerable due to inexperience and deteriorating body condition.

SourceCanadian Science Publishing·JournalCanadian Journal of Zoology·DateOct 24, 2013

Study ties bone marrow transplant to negative sexual side effects

A study by the American Society of Hematology found that bone marrow transplant is linked to diminished sexual health in both men and women. Chronic graft-versus-host disease and total body irradiation are particularly damaging, with men experiencing a decline in libido and dysfunction.

SourceAmerican Society of Hematology·JournalBlood·DateOct 24, 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.

Obesity may increase the risk of Clostridium difficile infection

Research finds obesity may significantly increase the risk of C. difficile infection, particularly in those with no prior healthcare exposure. Additionally, patients with inflammatory bowel disease are also at higher risk, highlighting the need for improved clinical surveillance and monitoring.

SourceBoston University School of Medicine·JournalEmerging Infectious Diseases·DateOct 24, 2013

WUSTL researchers developing hospital patient early warning system

Researchers at Washington University in St. Louis are developing an early warning system using machine learning algorithms to identify hospitalized patients at risk of deterioration or life-threatening events. The system aims to reduce readmissions and improve patient outcomes by providing real-time alerts to physicians.

SourceWashington University in St. Louis·DateOct 24, 2013
Apple iPhone 17 Pro

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

Unique chemistry in hydrogen catalysts

Researchers at UC Davis and Stanford University have identified a key step in assembling hydrogen-generating catalysts, which are based on precisely organized clusters of iron and sulfur atoms. This study reveals how bacteria naturally build these catalysts and could pave the way for more efficient production of clean energy.

SourceUniversity of California - Davis·JournalScience·DateOct 24, 2013

Physicists decode decision circuit of cancer metastasis

Physicists at Rice University have deciphered the operating principles of a genetic switch that cancer cells use to decide when to metastasize and invade other parts of the body. The research found a three-way genetic switch that explains previously confusing experimental results, opening new avenues for cancer treatment.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateOct 24, 2013
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.

Samurai sword protein makes strategic cuts in cell skeletons

In a plant cell model system, the katanin enzyme carefully cuts misaligned microtubules at crossovers to form parallel bands. This activity organizes and maintains the cytoskeleton's pattern, essential for its functions in shape and molecular transport.

SourceWashington University in St. Louis·JournalCurrent Biology·DateOct 24, 2013

How are children affected by maternal anxiety and depression?

A new study from the Norwegian Institute of Public Health found that maternal anxiety and depression can lead to increased risk of emotional and disruptive problem behaviors in children as early as 18 months old. The study also highlights the importance of early prevention and intervention, particularly for mothers with high levels of ...

SourceNorwegian Institute of Public Health·JournalJournal of Developmental & Behavioral Pediatrics·DateOct 24, 2013

Participation in mindfulness-based program improves teacher well-being

A mindfulness-based professional development program, CARE for Teachers, improves teachers' well-being, efficacy, and classroom environments. The program combines emotion skills instruction, mindful awareness practices, and compassion-building activities to reduce stress and improve social-emotional learning.

SourcePenn State·JournalSchool Psychology Quarterly·DateOct 24, 2013

Killer apps that could keep you healthy

Two student-developed mobile apps, FoodFeed and FL•U, have been created to combat health threats. FoodFeed provides alerts on food recalls, illness outbreaks and health code violations, while FL•U allows users to share flu-like symptoms and view localized outbreak maps.

SourceDOE/Pacific Northwest National Laboratory·DateOct 24, 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.

UMass Amherst researcher quantifies the effectiveness of video ads

A UMass Amherst researcher conducted the largest-ever scientific study on video ad effectiveness, analyzing over 257 million ads and 367 million videos. The study found that viewers who return to a site have higher completion rates for all ad categories, while ads inserted in long-form content are more likely to be watched to completion.

SourceUniversity of Massachusetts Amherst·DateOct 24, 2013

Experts clarify conflicting criteria for diagnosing polycystic ovary syndrome

The Endocrine Society publishes a Clinical Practice Guideline for diagnosing and treating polycystic ovary syndrome (PCOS), a leading cause of infertility in women. The guideline provides clear criteria for diagnosis and treatment recommendations, aiming to address the complexities of this hormone disorder.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateOct 24, 2013

When scaling the quantum slopes, veer for the straight path

Researchers at Princeton University discovered nearly straight paths in quantum control landscapes, allowing for more efficient manipulation of atoms and molecules. This breakthrough could lead to improved measurements and design of quantum systems, including quantum computers.

SourcePrinceton University·JournalPhysical Review A·DateOct 24, 2013

NASA's SDO sees sun emit a mid-level solar flare

A mid-level solar flare, classified as an M9.4 event, was observed by NASA's Solar Dynamics Observatory (SDO) on October 23, 2013. This flare had a significant impact on Earth's atmosphere, causing disruptions to radio signals and potentially affecting GPS communications.

SourceNASA/Goddard Space Flight Center·DateOct 24, 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.

Coral chemicals protect against warming oceans

Researchers have discovered coral animals produce dimethylsulphoniopropionate (DMSP), a molecule that helps protect them against heat stress and influences cloud formation. This finding could be crucial for regulating local climate and mitigating the effects of rising seawater temperatures.

SourceScience in Public·JournalNature·DateOct 23, 2013

Berkeley Lab researchers get a detailed look at a DNA repair protein in action

A team of researchers from Berkeley Lab and the Scripps Research Institute used a new technique to study the role of MutS in DNA's mismatch repair system, providing new insight into genome integrity. The study validated the 'beads-on-a-string' model of DNA repair and revealed details about MutS that could be valuable for drug design an...

SourceDOE/Lawrence Berkeley National Laboratory·JournalProceedings of the National Academy of Sciences·DateOct 23, 2013

UCSB anthropologist examines the motivating factors behind hazing

A UCSB anthropologist examines the enduring practice of hazing, finding a connection between its persistence across cultures and our shared evolved psychology. He suggests that group benefits may be a key factor in hazing behavior, as individuals with automatic benefits are more likely to haze.

SourceUniversity of California - Santa Barbara·JournalEvolution and Human Behavior·DateOct 23, 2013

A protein safeguards against cataracts

Researchers have discovered how αA-crystallin and αB-crystallin proteins prevent protein clumping in the ocular lens, paving the way for new treatment approaches. The molecular switch mechanism triggers protein activation when cells are stressed, such as under heat or stress.

SourceTechnical University of Munich (TUM)·JournalProceedings of the National Academy of Sciences·DateOct 23, 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.

Force to be reckoned with: NIST measures laser power with portable scale

Researchers at NIST developed a novel method for measuring laser power by reflecting light off a mirrored scale, simplifying calibration and enabling on-site measurements. The technique enables accurate and fast measurement of high-power lasers with reduced costs.

SourceNational Institute of Standards and Technology (NIST)·JournalOptics Letters·DateOct 23, 2013

A simple test may catch early pancreatic cancer

A simple blood test detecting epigenetic alterations may reveal the earliest signs of pancreatic cancer, a disease with nearly always fatal outcomes. The test's sensitivity and specificity are 97% and 85%, respectively, offering a promising step towards reducing mortality from this cancer.

SourceJohns Hopkins Medicine·JournalClinical Cancer Research·DateOct 23, 2013

Penn docs find successful strategy to expand patient participation in hard-to-enroll clinical trials

Researchers at Penn Medicine found that focusing on factors like hope, randomization, and altruism can increase patient willingness to participate in clinical trials for malignant pleural mesothelioma. The study showed a significant increase in participation rates when physicians spent more time discussing these factors with patients.

SourceUniversity of Pennsylvania School of Medicine·DateOct 23, 2013

Johns Hopkins launches new bioethics fellowship program

The Johns Hopkins Berman Institute of Bioethics has launched a new two-year postdoctoral fellowship program in bioethics, funded by the Hecht-Levi Foundation. The program aims to support at least 10 promising young scholars in their research and career development.

SourceJohns Hopkins Medicine·DateOct 23, 2013

Complete care improves patient outcomes

Kaiser Permanente's Complete Care model has shown steady improvement in quality scores, with an average increase of 13% compared to the national average. The program uses Proactive Office Encounters to address patient needs, promoting preventive care and improving chronic condition management.

SourceKaiser Permanente·JournalThe Joint Commission Journal on Quality and Patient Safety·DateOct 23, 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.

Stealth nanoparticles lower drug-resistant tumors' defenses

Researchers have developed a new Trojan-horse approach using stealth nanoparticles to sneak into tumor cells, lower their defenses and attack them with drugs. The nanoparticles showed significantly enhanced therapeutic effects and shrunk tumors by 8-fold in mice, offering a potential strategy to treat aggressive breast cancer.

SourceAmerican Chemical Society·JournalACS Nano·DateOct 23, 2013

Researchers show how plants tell the time

Plants have a 24-hour circadian rhythm that allows them to measure time and adjust their biology accordingly. Researchers found that sugar production plays a key role in regulating this internal clock.

SourceBiotechnology and Biological Sciences Research Council·JournalNature·DateOct 23, 2013
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.

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.

Name that tune

A new algorithm based on the Parsons code successfully identifies individual dolphin whistles, reducing time and errors in classification. This innovation enables researchers to study dolphin social behavior and develop a better understanding of their communication.

SourceNational Institute for Mathematical and Biological Synthesis (NIMBioS)·JournalPLOS ONE·DateOct 23, 2013

TopoChip reveals the Braille code of cells

Researchers use TopoChip platform to test thousands of surface patterns and catalog cellular responses, revealing the 'Braille code' of cells. The approach has potential applications in improving medical device performance and reducing negative reactions to artificial implants.

SourceAmerican Institute of Physics·DateOct 23, 2013

New eye treatment effective in laboratory tests

Researchers at Scripps Research Institute have developed a promising technique for treating human eye disease by targeting microRNAs, which can stop abnormal blood vessel growth. The approach shows promise in preventing blindness in diseases like neovascular macular degeneration and diabetic retinopathy.

SourceScripps Research Institute·JournalJournal of Clinical Investigation·DateOct 23, 2013

A step towards early Alzheimer's diagnosis

Researchers at Linköping University have identified six proteins in spinal fluid that can be used as markers for the illness, offering a potential step towards early diagnosis. The study found that these proteins are associated with the breakdown of brain cells and toxic accumulations of beta amyloid protein.

SourceLinköping University·JournalNeuroMolecular Medicine·DateOct 23, 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.

Data reaffirms test's ability to identify benign thyroid nodules

A study led by a CU School of Medicine researcher has confirmed the Gene Expression Classifier (GEC) test can accurately identify benign thyroid nodules, significantly reducing the need for unnecessary surgeries. The test was found to have a very high negative predictive value, with only one nodule out of 71 identified as cancerous.

SourceUniversity of Colorado Anschutz Medical Campus·JournalThe Journal of Clinical Endocrinology & Metabolism·DateOct 23, 2013

UAlberta medical researchers discover potential new treatment for colitis

Researchers at UAlberta have discovered a potential new treatment for colitis by using a leukemia drug to reverse symptoms in lab tests. The discovery suggests that inhibiting inflammation can reduce the likelihood of patients with ulcerative colitis developing colorectal cancer later in life.

SourceUniversity of Alberta Faculty of Medicine & Dentistry·JournalPLOS ONE·DateOct 23, 2013

Children's National researcher co-authors study on transitioning cystic fibrosis care

A new study published in Pediatrics found that patients with cystic fibrosis experience no rapid decline in pulmonary function or other significant health-related changes when transitioning from pediatric to adult care. The study's results contradict previous reports on negative health outcomes after transition for other chronic childh...

SourceChildren's National Hospital·JournalPEDIATRICS·DateOct 23, 2013

Vacuums provide solid ground for new definition of kilogram

Researchers are developing novel systems to accurately redefine the kilogram using vacuum technology, promising a more precise and reliable measurement. The current kilogram definition relies on the International Prototype Kilogram, which has increasing discrepancies with national prototypes every 100 years.

SourceAmerican Institute of Physics·DateOct 23, 2013
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.