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Science News Archive 2013 - Page 36


Page 36 of 352

New crizotinib side-effect

A University of Colorado Cancer Center study found that crizotinib treatment reduces kidney function in ALK positive non-small cell lung cancer patients. Kidney function recovered after treatment, but additional tests are recommended if concerns arise.

SourceUniversity of Colorado Anschutz Medical Campus·JournalCancer·DateNov 20, 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.

'Undruggable' mutation meets its match

A team of scientists at the University of California, San Francisco has identified a previously unknown pocket on the K-Ras protein that can be targeted by a new compound. This compound inhibits only mutant K-Ras and leaves normal protein untouched, offering real translational implications for cancer patients.

SourceHoward Hughes Medical Institute·JournalNature·DateNov 20, 2013

The last croak for Darwin's frog

Scientists confirm the extinction of Darwin's frogs caused by chytridiomycosis, a fungal disease affecting amphibians. Conservation efforts are crucial to protect the remaining species, emphasizing the importance of preserving biodiversity.

SourceZoological Society of London·JournalPLOS ONE·DateNov 20, 2013

Involving patients in their nurses' shift change reduces medical errors and satisfies patients

Research at St. Michael's Hospital found that bedside handover, where patients are involved in the transfer of accountability with their care team, can reduce potential errors and improve patient engagement. The study also showed that this approach increases patient safety, satisfaction, and better informs care plans.

SourceSt. Michael's Hospital·JournalJournal of Nursing Care Quality·DateNov 20, 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 still injured from concussion after symptoms fade

Studies show that concussions can lead to brain abnormalities four months after symptoms have resolved, with memory and behavioral issues improving more quickly than physical injuries. These findings suggest that healing from concussions may be similar to recovering from burns, with tissue scabs forming before the body is fully healed.

SourceAmerican Academy of Neurology·JournalNeurology·DateNov 20, 2013

Long-term unemployment may accelerate aging in men

A new study has found that long-term unemployment may accelerate aging in men by shortening their telomeres, which protect genetic code from degradation. This association was found in a study of over 5,600 Finnish men born in 1966.

SourceImperial College London·JournalPLOS ONE·DateNov 20, 2013

Spanish scientists identify a new ancestral enzyme that facilitates DNA repair

Researchers have discovered the human enzyme PrimPol, which recognises and repairs DNA lesions during replication, preventing breaks in chromosomes. This ancient enzyme has been found in archaebacteria and is thought to have played a key role in genome evolution and cancer development.

SourceCentro Nacional de Investigaciones Oncológicas (CNIO)·JournalNature Structural & Molecular Biology·DateNov 20, 2013

Coffee may help perk up your blood vessels

A study of 27 healthy adults showed that drinking caffeinated coffee significantly improved blood flow in a finger, with a 30% increase compared to decaffeinated coffee. The researchers suggest that caffeine may help open blood vessels and reduce inflammation, providing new insights into how coffee may benefit cardiovascular health.

SourceAmerican Heart Association·DateNov 20, 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.

Hedgehog's long snout finds a cure

A groundbreaking discovery in 1993 led to the development of a cancer treatment, Erivedge, which targets the hedgehog signaling pathway. The breakthrough was made by researchers investigating fundamental mechanisms regulating vertebrate brain development.

SourceHuman Frontier Science Program·DateNov 20, 2013

Let's just harvest invasive species -- problem solved?

Researchers found that harvesting invasive plants for biofuels is hindered by high costs, lack of specialized equipment, and variable cell wall composition. Despite this, alternative uses for invasive biomass, such as combustion for electricity, may offer a more practical solution.

SourceUniversity of Illinois College of Agricultural, Consumer and Environmental Sciences·JournalBiological Invasions·DateNov 20, 2013

Illinois receives Grand Challenges Explorations grants

The University of Illinois has won Grand Challenges Explorations grants to develop a single-dose vaccine for multiple animal diseases and a system to study the microscopic parasite Cryptosporidium. This funding aims to address pressing disease problems in developing nations, improving animal health and productivity.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·DateNov 20, 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.

Dismantling Syria's chemical weapons in the midst of war

Close to 1,400 tons of chemical weapons remain in Syria, requiring multiple strategies for destruction. Destroying the stockpile will require specialized equipment and careful handling of precursor chemicals.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateNov 20, 2013

Drug strategy blocks a leading driver of cancer

Researchers at UCSF have developed a new strategy to block the mutated ras protein, which drives three out of ten cancers, including lung and colon cancers. The small molecules efficiently kill ras-driven cancer cells in human lung cancer cell cultures.

SourceUniversity of California - San Francisco·JournalNature·DateNov 20, 2013

Ancient Siberian genome reveals genetic origins of Native-Americans

A 24,000-year-old Siberian individual's genome shows close affinity to modern Native Americans and west Eurasians, contradicting the traditional East Asian origin story. This finding indicates two distinct Old World populations contributed to the formation of the First American gene pool.

SourceUniversity of Copenhagen·JournalNature·DateNov 20, 2013

Scripps oceanography researchers engineer breakthrough for biofuel production

Researchers at Scripps Institution of Oceanography have developed a method to genetically engineer marine algae to produce more lipids, the fat molecules that store energy for fuel. This breakthrough enhances biofuel production and has the potential to lower costs and increase efficiency.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateNov 20, 2013

USF researchers show invasive sparrows immune cells sharpen as they spread

Researchers found that house sparrows' immune cells become more attuned to finding dangerous parasites at the edge of their range in Kenya. This adaptation may help the birds thrive in new areas with novel pathogens. The study aims to understand what gives invasive species an edge, informing efforts to manage and eradicate them.

SourceUniversity of South Florida (USF Health)·DateNov 20, 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.

Scientists create perfect solution to iron out kinks in surfaces

Researchers develop technique to make curved surfaces appear flat to electromagnetic waves, enabling bespoke antenna design for increased efficiency and reduced weight. This breakthrough could lead to ultra-fast wireless communication over surface in near future.

SourceQueen Mary University of London·JournalPhysical Review Letters·DateNov 20, 2013

Insomnia linked to mortality risk

Researchers at Brigham and Women's Hospital found a link between insomnia symptoms and higher mortality risk in men, particularly those with difficulty falling asleep and non-restorative sleep. The study, published online in Circulation, followed over 23,000 men for six years and found modest increases in cardiovascular-related death.

SourceBrigham and Women's Hospital·JournalCirculation·DateNov 20, 2013

New research gives clues of antibiotic use and resistance in US children's hospitals

Researchers found that surgical patients in US children's hospitals account for 43% of all antibiotic use, with pneumonia, appendicitis, cystic fibrosis, and skin infections being high-usage conditions. The studies provide insights into antibiotic resistance patterns and opportunities for targeted antimicrobial stewardship efforts.

SourceSociety for Healthcare Epidemiology of America·JournalInfection Control and Hospital Epidemiology·DateNov 20, 2013

Dartmouth-led study shows diet alone can be significant source of arsenic

A Dartmouth-led study reveals that arsenic exposure can be significant through dietary means, especially from consuming alcohol and Brussels sprouts. Researchers found a strong correlation between toenail clippings and arsenic levels, particularly in those who drank more alcohol and ate more dark meat fish.

SourceDartmouth College·JournalNutrition Journal·DateNov 20, 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.

Blood vessel tangles in brain best left alone, study suggests

Research finds that treating arteriovenous malformations (AVMs) in the brain can increase risks of stroke and death, while managing symptoms may be safer. The study suggests observing patients with AVMs for at least five more years to confirm this finding.

SourceUniversity of Edinburgh·JournalThe Lancet·DateNov 20, 2013

Magnetic nanoparticles could aid heat dissipation

Researchers at MIT have discovered a way to boost heat transfer using magnetic nanoparticles, which could lead to more efficient cooling systems. The system relies on a slurry of tiny magnetite particles that are attracted to the heated surface by magnets, resulting in significantly improved heat transfer.

SourceMassachusetts Institute of Technology·JournalInternational Journal of Heat and Mass Transfer·DateNov 20, 2013

Evidence of destruction in Tacloban, Philippines

The study analyzed ASTER images of Tacloban before and after the typhoon, revealing widespread destruction. The storm surge caused mud-covered ground, bare trees, and destroyed buildings, with some areas showing no vegetation.

SourceNASA/Goddard Space Flight Center·DateNov 20, 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.

Current practice may over-diagnose vitamin D deficiency

Researchers found that genetic differences in a vitamin D carrier protein referred to as D-binding protein could explain the discrepancy between diagnosed vitamin D deficiency and lack of symptoms in black Americans. The study suggests that current methods may not accurately determine vitamin D deficiency, leading to unnecessary treatm...

SourceMassachusetts General Hospital·JournalNew England Journal of Medicine·DateNov 20, 2013

Aging impacts epigenome in human skeletal muscle

Researchers at the Buck Institute identified a suite of epigenetic markers that separated younger from older individuals, with changes associated to genes regulating neuromuscular junction activity. The study provides a method for studying sarcopenia and offers potential targets for intervention.

SourceBuck Institute for Research on Aging·JournalAging Cell·DateNov 20, 2013

Linking risk factors and disease origins in breast cancer

Researchers identified epigenetic alterations associated with the aging process in disease-free breast tissues, which are further altered in breast tumors. These changes may contribute to the development of breast cancer by increasing cancer risk.

SourceLandes Bioscience·JournalEpigenetics·DateNov 20, 2013
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.

X-class solar flare: Nov. 19

A significant X-class solar flare occurred on Nov. 19, 2013, peaking at 5:26 a.m. EST, causing disturbances in the atmosphere where GPS and communications signals travel. The flare was classified as an X1.0 class, indicating its intensity.

SourceNASA/Goddard Space Flight Center·DateNov 20, 2013

Mount Sinai finds brain abnormalities linked to impaired self-awareness in cocaine addiction

Researchers at Mount Sinai found long-term cocaine abuse linked to deficits in parts of the brain monitoring behavior, suggesting targeted treatments based on quantifiable biological abnormalities. The study's findings challenge clinical assumptions about addicted individuals' motivations and behaviors.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·JournalJAMA Psychiatry·DateNov 20, 2013

Large dishes increase how much cereal kids request, eat, and waste

A new Cornell study found that larger bowl sizes lead to increased requests for cereal and milk by kids, resulting in higher intake and waste. Using smaller dishware may be a simple solution for caregivers concerned about their kids' caloric intake.

SourceCornell Food & Brand Lab·JournalThe Journal of Pediatrics·DateNov 20, 2013

UCI engineering school gets grant from Bill & Melinda Gates Foundation

The Henry Samueli School of Engineering at UC Irvine has received a $100,000 grant to further develop its stored energy solar stove, which enables carbon emissions-free cooking. The technology uses a solar collector to concentrate sunlight on an energy storage device, storing heat that can be released as needed.

SourceUniversity of California - Irvine·DateNov 20, 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.

National survey finds frog abnormalities are rare

A 10-year study on national wildlife refuges found frog abnormalities at less than 2% overall rate, but higher rates in specific 'hotspots'. The study suggests that these hotspots have local causes and can recover over time.

SourceUniversity of California - Davis·JournalPLOS ONE·DateNov 20, 2013

UT Arlington's Nguyen named American Heart Association fellow

Kytai Nguyen, associate bioengineering professor at UT Arlington, has been elected as a fellow of the American Heart Association. Her research focuses on cellular engineering, tissue engineering, and stem cell therapies to develop new strategies for combating cardiovascular diseases.

SourceUniversity of Texas at Arlington·DateNov 20, 2013

Focusing on faces

Researchers found specific neurons in the amygdala of autistic individuals respond differently to faces, with reduced processing of the eye region compared to control-group individuals. These neurons also responded more strongly to mouths than eyes, shedding light on abnormal face processing in autism.

SourceCalifornia Institute of Technology·JournalNeuron·DateNov 20, 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.

Study reveals higher levels of control and support at work increases wellbeing

A recent study from Queen Mary University of London found that high levels of control, emotional support, and low job strain significantly contribute to better wellbeing. The research suggests increasing positive aspects of work, rather than just reducing negative ones, may lead to improved morale and greater wellbeing.

SourceQueen Mary University of London·JournalPLOS ONE·DateNov 20, 2013

What composes the human heart? U of T researchers crunch the numbers

Researchers at U of T's IBBME and McEwen Centre for Regenerative Medicine identified the optimal human heart cell composition and ratio associated with heart function. The discovery has led to the engineering of the first-ever living, three-dimensional human arrhythmic tissue.

SourceUniversity of Toronto·JournalProceedings of the National Academy of Sciences·DateNov 20, 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.

Excessive testosterone raises mortality risk in older men

A study published by The Endocrine Society found that older men with optimal testosterone levels lived longer, while those with high or low levels had a higher mortality risk. Higher DHT levels were also associated with reduced ischemic heart disease mortality.

SourceThe Endocrine Society·JournalThe Journal of Clinical Endocrinology & Metabolism·DateNov 20, 2013

Study finds differences in brains of children with nonverbal learning disability

A Michigan State University study discovered anatomical differences in the brains of children with nonverbal learning disability compared to those with Asperger's and high-functioning autism. The research found smaller spleniums in children with NLVD, which may lead to more targeted intervention strategies.

SourceMichigan State University·JournalChild Neuropsychology·DateNov 20, 2013

Geneticists receive funding to improve citrus production and health

UC Riverside plant geneticists Mikeal Roose and Timothy Close are developing a genetic tool to improve citrus breeding. They will use high-density SNP genotyping arrays to study citrus varieties and hybrids, identifying genes for disease resistance, fruit quality, and other essential traits.

SourceUniversity of California - Riverside·DateNov 20, 2013

Tiny antisense molecules increase 'good cholesterol' levels in obese primates

Researchers at Massachusetts General Hospital have developed an approach to increase beneficial HDL cholesterol levels in non-human primates by targeting shared nucleotide sequences that inhibit microRNAs. This strategy showed a nearly 40% increase in HDL levels, outperforming current therapies.

SourceMassachusetts General Hospital·JournalScience Translational Medicine·DateNov 20, 2013

Job market mixed for college grads

The job market is forecasted to be mixed for college graduates, with hiring for MBAs declining by 25% due to huge layoffs in the banking industry. However, many other fields are expected to see significant increases in hiring, including manufacturing, nonprofits, and retail.

SourceMichigan State University·DateNov 20, 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.

NASA's TRMM satellite sees Melissa's tropical transition

NASA's TRMM satellite monitored Tropical Storm Melissa's transition to a tropical storm, revealing intense rainfall rates of up to 55 mm/hour. The satellite's Precipitation Radar data also showed the storm's structure, including towering convection near its center.

SourceNASA/Goddard Space Flight Center·DateNov 20, 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.

Could basic fertility information be key to reversing late-parenthood trend?

A study found that college students intended to have children about one year earlier after reading a brief online brochure about age-related fertility decline. The brochure increased their knowledge of fertility decline and in-vitro fertilization success rates, prompting them to accelerate their planned timelines.

SourceDartmouth College·JournalFertility and Sterility·DateNov 19, 2013

Breakthrough in adult heart repair

Researchers have made a significant discovery in adult heart repair by identifying the Hippo pathway as a key regulator of cardiomyocyte proliferation. This breakthrough has the potential to improve heart function after a heart attack and reduce the severity of heart disease.

SourceThe Company of Biologists·JournalDevelopment·DateNov 19, 2013

Scientists nearing forecasts of long-lived wildfires' paths

Researchers create a new computer model that combines cutting-edge simulations of weather and fire with satellite observations to predict the extent and behavior of wildfires. The technique, called CAWFE, allows for updated forecasts every 12 hours, enabling accurate predictions throughout a fire's lifetime.

SourceU.S. National Science Foundation·JournalGeophysical Research Letters·DateNov 19, 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.

UT Dallas computer scientists create 3-D technique

Researchers create a new 3D imaging technique using anisotropic triangles to provide more accurate approximations of object shapes and improve simulation results. The technique can generate images up to 125 times faster than current approaches while maintaining higher accuracy, particularly for wrinkles and movement.

SourceUniversity of Texas at Dallas·DateNov 19, 2013