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Science News Archive 2013 - Page 120


Page 120 of 352

Blind mole-rats are resistant to chemically induced cancers

A new study reveals blind mole-rats are highly resistant to carcinogens and have anti-cancer activity in fibroblast cell culture, unlike lab mice and rats. The findings suggest that hypoxia tolerance, longevity, and cancer resistance are tied together through evolutionary adaptations.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalBMC Biology·DateSep 3, 2013

Study examines ways to restore immunity to chronic hepatitis C infection

Researchers suggest that anti-PD-1 antibodies could be effective in treating hepatitis C and other persistent viral infections. The study found that animal models with HCV infection showed improved immune function after treatment with PD-1 blocking antibodies.

SourceNationwide Children's Hospital·JournalProceedings of the National Academy of Sciences·DateSep 3, 2013

Breakthrough model holds promise for treating Graves' disease

Researchers developed an animal model simulating eye complications associated with Graves' disease, paving the way for better treatments. The condition causes the thyroid gland to become overactive and produce too much thyroid hormone, leading to eye problems like swelling of tissue behind the eyes causing them to bulge outward.

SourceThe Endocrine Society·JournalEndocrinology·DateSep 3, 2013

Infections cause lower proportion of lead extractions than expected

A recent study published in ESC Congress 2013 found that lead extractions are primarily driven by mechanical issues rather than infections. The European Lead Extraction ConTRolled (ELECTRa) Registry, which analyzed over 1,200 patients, showed that 52% of lead extractions were due to non-infectious causes, such as lead malfunctions.

SourceEuropean Society of Cardiology·DateSep 3, 2013
Apple iPhone 17 Pro

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

Brain study uncovers vital clue in bid to beat epilepsy

Researchers identify role of BDNF in controlling brain activity during seizures, potentially leading to new anti-epileptic therapies with fewer side effects. The discovery could help patients who do not respond to current treatments.

SourceUniversity of Edinburgh·JournalNature Communications·DateSep 3, 2013

Low BMI is a risk factor for CVD in hypertensive patients with diabetes

Research presented at the ESC Congress found that low body mass index (BMI) is associated with worse cardiovascular outcomes in patients with hypertension and glucose intolerance. Patients with lower BMI had a higher risk of cardiovascular events compared to those with middle or higher BMI, according to the study.

SourceEuropean Society of Cardiology·DateSep 3, 2013

Fear of holes may stem from evolutionary survival response

Researchers suggest that trypophobia may stem from a specific visual feature common to poisonous animals, including high contrast energy at midrange spatial frequencies. Studies exploring the phenomenon are underway to shed light on its ingrained nature in everyday objects.

SourceAssociation for Psychological Science·JournalPsychological Science·DateSep 3, 2013

Clay key to high-temperature supercapacitors

Researchers at Rice University have created a supercapacitor that operates reliably at temperatures of up to 200 degrees Celsius, overcoming key limitations of conventional energy storage devices. The device uses a clay-based membrane electrolyte, which provides high thermal stability and conductivity.

SourceRice University·JournalScientific Reports·DateSep 3, 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.

Risk factors help predict outcomes for children with rare heart condition

A long-term study found that infants and children with congestive heart failure and genetic disorders have the lowest transplant-free survival rates. Children diagnosed after one year old with unknown cause have the best outcome, a 97% rate of transplant-free survival.

SourceNIH/National Heart, Lung and Blood Institute·JournalThe Lancet·DateSep 3, 2013

Promiscuity and sperm selection improves genetic quality in birds

New research shows that female birds maximize offspring health by mating with multiple males, increasing disease resistance through 'cryptic female choice'. This internal mechanism favors sperm from genetically different males, boosting MHC diversity and enhancing disease resilience.

SourceUniversity of East Anglia·DateSep 3, 2013

Study finds poor blacks likely to get worse nursing home care

A study found that nursing homes serving predominantly black residents tend to struggle financially and provide lower quality care, with black residents relying on Medicaid for reimbursement. The researchers suggest addressing the issue through financial incentives and restructuring Medicaid to provide better reimbursement rates.

SourceUniversity of Central Florida·JournalHealth Services Research·DateSep 3, 2013
Celestron NexStar 8SE Computerized Telescope

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

New recombinant antibody can isolate stem cells from umbilical cord blood

A new recombinant antibody can detect and isolate mesenchymal stem cells (MSCs) from umbilical cord blood, a nonembryonic source with promising applications in tissue engineering and blood stem cell transplantation. The antibody recognizes an i blood group antigen present on MSCs.

SourceMary Ann Liebert, Inc./Genetic Engineering News·JournalBioResearch Open Access·DateSep 3, 2013

Association between hormone replacement therapy use and breast cancer risk varies

A new study found that hormone replacement therapy (HRT) use is associated with an increased risk of breast cancer among postmenopausal women, but the relationship varies depending on factors such as race/ethnicity, body mass index (BMI), and breast density. The study suggests that HRT may be used for some women without increasing thei...

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateSep 3, 2013

Atom-based analogues to electronic devices

Scientists have developed an atom-based analogue for electronic devices using ultra-cold bosonic atoms and quantum dots. The transport of single particles through the chain of quantum dots enables current production in systems with reduced dimensionality.

SourceSpringer·JournalThe European Physical Journal B·DateSep 3, 2013

Microencapsulation produces uniform drug release vehicle

Researchers develop microcapsules containing BCNU for targeted brain cancer therapy, improving drug delivery and reducing side effects. The uniform spheres provide precise control over drug release, enhancing treatment outcomes.

SourcePenn State·JournalAdvanced Materials·DateSep 3, 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.

Life without insulin is possible

Scientists identified mechanisms necessary to live without insulin, a breakthrough that could lead to alternative treatments against diabetes. Researchers found leptin regulates glucose levels and reduces the risk of hypoglycemia, offering hope for patients.

SourceUniversité de Genève·JournalCell Metabolism·DateSep 3, 2013

From birth to death in 4 days: Kiko now a remnant low

Tropical Storm Kiko formed on Sept. 1 and intensified quickly, with maximum sustained winds reaching near 70 mph. However, cooler waters and wind shear weakened the storm, leading to its dissipation by Sept. 4. Meanwhile, another low-pressure system is forming near Mexico's southwestern coast.

SourceNASA/Goddard Space Flight Center·DateSep 3, 2013

Aging really is 'in your head'

Researchers have identified a mechanism by which Sirt1 promotes neural activity in the brain, leading to significant delays in aging and increases in longevity. The study found that mice with increased Sirt1 expression in their brains exhibited dramatic physical changes, including improved muscle structure and vigor.

SourceWashU Medicine·JournalCell Metabolism·DateSep 3, 2013

First estimate of total viruses in mammals

Scientists estimate a minimum of 320,000 viruses in mammals, which could provide critical information for early detection and mitigation of disease outbreaks. This undertaking would cost approximately $6.3 billion, but limiting discovery to 85% of total viral diversity could bring the cost down to $1.4 billion.

SourceColumbia University's Mailman School of Public Health·JournalmBio·DateSep 3, 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.

Creating a 'window' to the brain

UC Riverside researchers have created a novel transparent skull implant made of yttria-stabilized zirconia, allowing doctors to aim laser-based treatments without repeated craniectomies. This technology has strong potential for positive impact on patients with life-threatening neurological disorders.

SourceUniversity of California - Riverside·JournalNanomedicine·DateSep 3, 2013

Revolving images and multi-image keys open new horizons in descriptive taxonomy

A new study revolutionizes species identification in taxonomy by introducing a modern revision of millipedes using innovative illustration techniques. The 'revolving SEM images' technology allows for a more detailed understanding of complex morphological features, enabling taxonomists to recognize subtle differences between species.

SourcePensoft Publishers·JournalZooKeys·DateSep 3, 2013

Stress-related protein speeds progression of Alzheimer's disease

A University of South Florida-led study suggests that the stress-related protein FKBP51 contributes to the acceleration of Alzheimer's disease. The research found that FKBP51 levels increase with age and partner with Hsp90 to make tau more toxic, leading to brain cell death.

SourceUniversity of South Florida (USF Health)·JournalJournal of Clinical Investigation·DateSep 3, 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.

Scientists, practitioners, religious communities urge collaborative action to save our planet

This special issue of Frontiers in Ecology and the Environment brings together diverse perspectives on addressing global environmental challenges. The issue highlights socio-ecological drivers of environmental injustice, explores ways to encourage behavioral change, and emphasizes the role of religion in promoting Earth Stewardship.

SourceEcological Society of America·JournalFrontiers in Ecology and the Environment·DateSep 3, 2013

Stressful life events significantly raise the risk of falls in older men

A recent study published in the journal Age and Ageing found that stressful life events significantly raise the risk of falls in older men. The research, conducted on 5,994 community-dwelling men over 65, showed that men who experienced serious financial problems or the death of a loved one were more likely to fall.

SourceOxford University Press UK·JournalAge and Ageing·DateSep 3, 2013
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.

How soot forced the end of the Little Ice Age in 1860s Europe

Researchers found that coal soot reduced Alpine glacier ice by shrinking them, despite cooler temperatures. European glaciers retreated an average of nearly 1 kilometer between 1860 and 1930 due to industrialization, contradicting previous natural climate shift assumptions.

SourceUniversity of Michigan·JournalProceedings of the National Academy of Sciences·DateSep 3, 2013

Scientists discover new bat species in West Africa

Researchers from the University of York and Czech institutions discovered five new species of Vesper bats in Senegal, showcasing unexpected genetic diversity. The discovery confirms that West Africa may represent a bio-geographic hotspot with many more species to discover.

SourceUniversity of York·JournalFrontiers in Zoology·DateSep 3, 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.

Body weight influences both the physical and mental quality of life

A study by Helmholtz Munich found that increased body weight deteriorates physical health, but improves mental well-being in women. The researchers analyzed data from over 3000 people, revealing the complex relationship between body weight and overall health.

SourceHelmholtz Munich (Helmholtz Zentrum München Deutsches Forschungszentrum für Gesundheit und Umwelt (GmbH))·JournalInternational Journal of Public Health·DateSep 3, 2013

Peritoneal dialysis as an intervention for stroke patients

Peritoneal dialysis has been shown to reduce glutamate levels in the blood following a stroke event, potentially preserving brain tissue and function. In a rat model of ischemic stroke, peritoneal dialysis reduced tissue damage in the brain.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateSep 3, 2013

Scientists fish for new epilepsy model and reel in potential drug

A new study suggests that zebrafish carrying a Scn1a mutation can serve as a model for Dravet syndrome, allowing researchers to quickly identify potential treatments. The study found that clemizole, an FDA-approved drug, was effective in inhibiting seizure activity in the mutant fish.

SourceNIH/National Institute of Neurological Disorders and Stroke·JournalNature Communications·DateSep 3, 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.

Multi-drug pills help people stick to heart disease prevention regimens

A new study found that combining multiple medications into one pill improves medication adherence and reduces blood pressure and cholesterol levels. The study involved 2,004 participants in the UK, Ireland, Netherlands, and India, with polypill users taking medications regularly by a third more than usual care.

SourceImperial College London·JournalJAMA·DateSep 3, 2013

Journal of Spinal Cord Medicine publishes Sept. conference issue

The Journal of Spinal Cord Medicine has published a new issue focusing on the latest research and treatment developments in spinal cord injury. The issue includes articles on various topics such as botulinum toxin use, urology, neuroscience, rehabilitation psychology, and more.

SourceKessler Foundation·JournalJournal of Spinal Cord Medicine·DateSep 3, 2013

Insulin status is important determinant of weight reduction on vascular function

Researchers found that weight loss significantly improved vascular function in obese individuals, particularly those with high insulin levels. The study suggests that reversing insulin resistance and endothelial dysfunction may represent key therapeutic targets for cardiovascular risk reduction.

SourceBoston University School of Medicine·JournalJournal of the American College of Cardiology·DateSep 3, 2013

Hormone may help fight obesity and reduce cholesterol

A variant of FGF21, LY2405319, has been shown to improve metabolism in obese humans with type 2 diabetes by reducing LDL cholesterol and triglycerides while increasing HDL cholesterol levels. The hormone also reduced body weight and fasting insulin, and increased adiponectin.

SourceCell Press·JournalCell Metabolism·DateSep 3, 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.

Twitter and privacy: 1-in-5 tweets divulge user location

A study by USC researchers found that 20% of tweets contain location data, including active location monitoring and ambient location data. The researchers developed an app, Twitter2GIS, to analyze metadata and map user locations.

SourceUniversity of Southern California·JournalInternational Journal of Geoinformatics·DateSep 3, 2013

Fish embryos possess a mechanism for protection against chemicals

Researchers at Helmholtz Centre for Environmental Research discovered a protein called Abcb4 in zebrafish embryos that transports and expels toxic chemicals, protecting the embryo. However, certain environmental chemicals render this protective mechanism ineffective, making fish embryos more sensitive to toxic substances.

SourceHelmholtz Association·JournalBMC Biology·DateSep 3, 2013

TAVI is safe alternative to redo cardiac surgery

A study comparing TAVI and redo cardiac surgery in high-risk patients found comparable long-term survival rates. The TAVI procedure was shown to be a minimally invasive alternative to traditional surgery, suitable for elderly or high-risk patients with failed bioprostheses.

SourceEuropean Society of Cardiology·DateSep 2, 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.

Primate calls, like human speech, can help infants form categories

Researchers found that non-human primate vocalizations promoted object categorization in 3- and 4-month-old infants, similar to the effects of human speech. By six months, however, this effect disappeared, suggesting a specific link to human language has been established.

SourceNorthwestern University·JournalProceedings of the National Academy of Sciences·DateSep 2, 2013

Long-held assumption about emergence of new species questioned

A University of Michigan biologist and colleague challenge the notion that genetic reproductive barriers are a driving force behind speciation. Their study found no evidence that genetic barriers to reproduction predict the rate at which new species form in nature.

SourceUniversity of Michigan·JournalProceedings of the National Academy of Sciences·DateSep 2, 2013

The true raw material footprint of nations

A new Australian study uses a novel modelling tool to calculate the 'material footprint' of 186 countries over two decades, revealing that pressures on raw materials do not decline with economic growth. The results confirm that decoupling of natural resources from economic growth has been exaggerated.

SourceUniversity of New South Wales·JournalProceedings of the National Academy of Sciences·DateSep 2, 2013

Research identifies how mouth cells resist Candida infection

Scientists have discovered a molecular signalling pathway that helps oral epithelial cells resist Candida infection. The PI3 Kinase pathway is activated within minutes of fungal encounter, protecting against future damage. Boosting this pathway may lead to novel therapies against Candida infections.

SourceMicrobiology Society·DateSep 2, 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.

Pacemaker for slow heart rhythm restores life expectancy

A nationwide study found that pacemaker patients without cardiovascular disease have a survival rate comparable to the general population. The study's results provide a new reference point for the prognosis of modern pacemaker patients, suggesting that cardiovascular disease is a primary factor in determining life expectancy.

SourceEuropean Society of Cardiology·DateSep 2, 2013

Common blood pressure drug reduces aortic enlargement in Marfan syndrome

Researchers found that losartan significantly reduced aortic enlargement after three years compared to those who did not receive treatment. The study confirms previous findings in mouse models and suggests the drug may postpone or prevent aortic rupture in Marfan patients.

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal·DateSep 2, 2013

Salamanders under threat from deadly skin-eating fungus

A new species of fungus has ravaged fire salamander populations in the Netherlands, killing over 90% of the original population. The fungus, Batrachochytrium salamandrivorans, can rapidly kill fire salamanders and is thought to have originated from elsewhere in the world.

SourceImperial College London·JournalProceedings of the National Academy of Sciences·DateSep 2, 2013
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.

A fly's hearing

Researchers at the University of Iowa used fruit flies to study hearing loss caused by loud noise. The study found that the molecular underpinnings of hearing loss in fruit flies are similar to those in humans.

SourceUniversity of Iowa·JournalProceedings of the National Academy of Sciences·DateSep 2, 2013

Level playing field for Clostridium difficile diagnosis

A UK-based study of over 12,000 faecal samples found that the cytotoxin assay is the most reliable indicator of true C-Diff infection. This discovery highlights the importance of using accurate diagnostic tests to prevent deaths and hospital transmissions caused by C-Diff.

SourceUniversity of Leeds·JournalThe Lancet Infectious Diseases·DateSep 2, 2013