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Science News Archive March 2015 - Page 24


Page 24 of 38

NIH researchers develop database on healthy immune system

Researchers from NIH and King's College London create a reference resource for scientists studying autoimmune disorders, identifying 19 immune traits regulated by more than 240 genetic changes. This database may help design future studies and develop new treatments.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalCell·DateMar 12, 2015

The origin of the lymphatic vasculature uncovered

Researchers at Uppsala University have discovered a novel origin of the lymphatic system, challenging the long-held dogma that it forms via sprouting from veins. The new findings may lead to innovative treatments for conditions such as lymphedema and tissue trauma.

SourceUppsala University·JournalCell Reports·DateMar 12, 2015

Unique proteins found in heat-loving organisms attach to plant matter

Unique proteins called tapirins found in heat-loving bacteria bind tightly to cellulose, enabling the breakdown of plant cell walls and conversion into liquid biofuels. The discovery paves the way for more efficient methods of converting plant matter into biofuels.

SourceNorth Carolina State University·JournalJournal of Biological Chemistry·DateMar 12, 2015

Immune system-in-a-dish offers hope for 'bubble boy' disease

Researchers at Salk Institute have developed a new method to convert cells from x-linked SCID patients into stem cell-like state, fix the genetic mutation and prompt corrected cells to successfully generate NK cells in the laboratory. This technique could lead to a more effective and less invasive treatment for this devastating disease.

SourceSalk Institute·JournalCell Stem Cell·DateMar 12, 2015
Apple iPhone 17 Pro

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

New work schedule could cure your 'social jetlag'

Researchers report that aligning work schedules with employees' biological clocks can improve sleep duration and quality, as well as social jetlag and general wellbeing. The study found that flexible work schedules reduced stress and improved satisfaction with leisure time.

SourceCell Press·JournalCurrent Biology·DateMar 12, 2015

NNI publishes report on carbon nanotube (CNT) commercialization

The National Nanotechnology Initiative has published a report on the commercialization of carbon nanotubes, outlining common themes and potential future research priorities. The report identifies the need for increased efforts in manufacturing, quality control, and scale-up to produce CNT-based bulk materials with improved properties.

SourceNational Nanotechnology Coordination Office·DateMar 12, 2015

Regeneration in a hostile environment

Researchers found that cancer drug epothilone reduces scar tissue and stimulates growth in damaged nerve cells, promoting neuronal regeneration. The study suggests a potential new treatment for spinal cord injuries.

SourceDZNE - German Center for Neurodegenerative Diseases·JournalScience·DateMar 12, 2015
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.

Intestinal gas could be used to diagnose diseases

Researchers propose two novel gas-sensing systems to measure intestinal gases, which may contribute to gastrointestinal diseases. These non-invasive methods could provide medical devices that reduce medical costs and improve healthcare system efficiency.

SourceCell Press·JournalTrends in Biotechnology·DateMar 12, 2015

Sweet nanoparticles target stroke

Scientists have discovered a combination of fullerene derivatives and glucosamine that reduces cell damage and inflammation after a stroke. This breakthrough could lead to the development of new treatments for cerebrovascular accidents.

SourceSpanish Foundation for Science and Technology·JournalExperimental Neurology·DateMar 12, 2015

Molecule-making machine simplifies complex chemistry

Researchers have developed a molecule-making machine that can assemble complex small molecules at the click of a mouse, automating a process previously done by highly trained chemists. This breakthrough has the potential to greatly speed up and enable new drug development and other technologies.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalScience·DateMar 12, 2015

Inflammation in the mouth and joints in rheumatoid arthritis

Researchers found increased pocket depth and clinical attachment loss in patients with rheumatoid arthritis, highlighting the link between gum disease and joint inflammation. The study also identified Porphyromonas gingivalis antibodies as biomarkers for identifying patients who may benefit from periodontal treatment.

SourceInternational Association for Dental, Oral, and Craniofacial Research·DateMar 12, 2015
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.

Study examines association of inappropriate prostate, breast cancer imaging

A study published in JAMA Oncology found high rates of inappropriate imaging for both prostate cancer and breast cancer, suggesting that regional culture and infrastructure play a role in health care utilization patterns. The researchers estimated that 30% of healthcare resources in the US do not improve patient health.

SourceJAMA Network·JournalJAMA Oncology·DateMar 12, 2015

You are when you eat

A new study by researchers at San Diego State University found that limiting fruit flies' eating hours can prevent aging- and diet-related heart problems. Flies on a time-restricted feeding schedule slept better, didn't gain as much weight and had healthier hearts than those that ate anytime.

SourceSan Diego State University·JournalScience·DateMar 12, 2015

A 'warhead' molecule to hunt down deadly bacteria

Researchers develop novel approach to target bacterial lipids, labeling and sparing healthy cells. The new strategy exploits covalent chemistry of lipids, enabling selective recognition and labeling of bacterial cells.

SourceBoston College·JournalNature Communications·DateMar 12, 2015

Gene leads to malformation of the urinary tract

A study published in PLOS Genetics has identified a gene, ISL1, associated with classic bladder exstrophy, a rare congenital anomaly of the urinary tract. The discovery is significant for understanding the disease's development and may lead to preventive measures during pregnancy.

SourceUniversity of Bonn·JournalPLOS Genetics·DateMar 12, 2015

SwRI-led researchers study methane-rich plumes from Saturn's icy moon Enceladus

A team of scientists suggests that hydrothermal processes at the rock-water boundary could produce methane in Enceladus' ocean. Analyzing Cassini data, they propose two possible explanations for the moon's methane abundance: one involving hydrothermal activity and another based on ice formation/melting cycles.

SourceSouthwest Research Institute·JournalGeophysical Research Letters·DateMar 12, 2015
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.

Flight and nuclear safety boosted by sound research

A new system using sound waves helps detect structural defects in pipes, engines, and nuclear power plants. Researchers have developed a non-destructive testing method that could also be applied to medical imaging and seismology.

SourceUniversity of Strathclyde·DateMar 12, 2015

Magnetic brain stimulation

Researchers at MIT have developed a method to stimulate brain tissue using external magnetic fields and injected magnetic nanoparticles. The approach can provide an implant-free means of providing brain stimulation and mapping, potentially treating neurological diseases such as Parkinson's disease.

SourceMassachusetts Institute of Technology·JournalScience·DateMar 12, 2015

Low breast density in mammography worsens breast cancer prognosis

Women with very low breast tissue density experience shorter disease-free survival and overall life expectancies compared to those with high-density breasts. A six-year follow-up study of 270 breast cancer patients found that lower breast tissue density is an independent poor prognostic factor for breast cancer.

SourceUniversity of Eastern Finland·JournalEuropean Radiology·DateMar 12, 2015
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.

Social status has impact on overall health of mammals

High-ranking spotted hyenas have longer telomeres and better overall health compared to subordinates, according to a new study. The research suggests that social rank plays a significant role in aging and stress in wild mammals.

SourceMichigan State University·JournalBiology Letters·DateMar 12, 2015

Large gains with new chip design for medical devices

The Desyre architecture has been shown to reduce hospital costs and replacement rates of medical devices by using 28% less energy and 48% less chip area. This is achieved while offering a nine times lower hardware failure rate, making it an extremely reliable design for critical applications.

SourceChalmers University of Technology·DateMar 12, 2015

Measles cases predicted to almost double in Ebola epidemic countries

A study predicts a rise in measles cases by 100,000 across West Africa due to Ebola-related health system disruptions, resulting in an additional 5,000 measles deaths. The research highlights the need for aggressive regional vaccination programs to counteract the steep downturn in immunization rates.

SourceUniversity of Southampton·JournalScience·DateMar 12, 2015
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.

Some genes 'foreign' in origin and not from our ancestors

Research published in Genome Biology found that humans and other animals have acquired 'foreign' genes from microorganisms, suggesting ongoing gene transfer. The study identified 17 previously-reported genes and 128 additional foreign genes in the human genome, related to metabolism, immune responses, and more.

SourceBMC (BioMed Central)·JournalGenome Biology·DateMar 12, 2015

Increased susceptibility to measles a side effect of Ebola epidemic

Researchers estimate that a large measles outbreak in West Africa could infect nearly twice as many people and kill thousands more due to significant decreases in vaccinations for childhood diseases. The Ebola crisis has led to a 45% increase in unvaccinated children, posing a substantial risk to public health.

SourceJohns Hopkins Bloomberg School of Public Health·JournalScience·DateMar 12, 2015

NIH awards UC biologist $1.9 million for genetic research

Researchers will study genetic aspects of craniofacial asymmetries in cavefish to better understand human conditions like non-syndromic cleft palate. The project aims to identify specific genes and mutations causing facial asymmetry, with potential implications for understanding pigmentation changes in humans.

SourceUniversity of Cincinnati·DateMar 12, 2015

Boosting a natural protection against Alzheimer's disease

Researchers at UC San Diego have identified a gene variant in the SORL1 gene that may be used to predict people most likely to respond to an investigational therapy for Alzheimer's disease. The study found that variants of the gene confer some protection from AD and are associated with reduced beta amyloid peptide production in neurons.

SourceUniversity of California - San Diego·JournalCell Stem Cell·DateMar 12, 2015
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.

Optogenetics without the genetics

Scientists at the University of Chicago and the University of Illinois have developed a new technique using gold nanoparticles to stimulate normal, non-genetically modified neurons with light. The technique shows great promise for potential therapeutic use in diseases such as macular degeneration.

SourceUniversity of Chicago Medical Center·JournalNeuron·DateMar 12, 2015

Geography matters: Imaging overuse seen in certain US regions

A new study from NYU Langone Medical Center found that over 40% of low-risk prostate and breast cancer patients in certain US regions received inappropriate tests. The research suggests that regional culture and infrastructure play a significant role in the use of imaging tests, with some areas exhibiting more appropriate use than others.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalJAMA Oncology·DateMar 12, 2015

Inflammatory factor IL-3 may play essential role in development of sepsis

A study by Massachusetts General Hospital researchers reveals that Interleukin-3 (IL-3) promotes the production of inflammatory monocytes and neutrophils, which contribute to the 'cytokine storm' that underlies sepsis. Higher IL-3 levels in human patients with sepsis are associated with a greater risk of death.

SourceMassachusetts General Hospital·JournalScience·DateMar 12, 2015

Mind reading: Spatial patterns of brain activity decode what people taste

Researchers from German Institute of Human Nutrition discovered how brain activity encodes taste quality, with decoding possible within 175 milliseconds. The study aims to extend understanding of neuronal mechanisms and develop strategies for moderate deviant eating behavior.

SourceGerman Institute of Human Nutrition·JournalCurrent Biology·DateMar 12, 2015
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.

Prescription for living longer: Spend less time alone

A new study from Brigham Young University finds that loneliness and social isolation are major risk factors for mortality across all ages and income levels. The research analyzed data from over 3 million participants and found that the lack of social connections presents an added risk, while the existence of relationships provides a po...

SourceBrigham Young University·JournalPerspectives on Psychological Science·DateMar 11, 2015

Could yoga lessen prenatal depression?

Researchers found that prenatal yoga classes reduced depressive symptoms in pregnant women with mild to moderately depressed women. The study's results suggest that a larger randomized controlled trial is needed to confirm the findings.

SourceBrown University·DateMar 11, 2015

Exercise may help keep seniors moving longer despite old age brain decline

A new study published in Neurology found that physically active seniors with small areas of brain damage did not experience a drop-off in movement abilities. In fact, those who were most active showed no decline despite high levels of brain damage, suggesting physical activity creates a 'reserve' to protect motor abilities.

SourceAmerican Academy of Neurology·JournalNeurology·DateMar 11, 2015

Study shows even injured kidneys can be used for transplants

A Yale-led study found that donated kidneys with acute injury are associated with delayed graft function but not poor long-term transplant outcomes. The research suggests that injured kidneys could be used for transplants, potentially increasing the number of available organs and improving survival rates for patients on dialysis.

SourceYale University·JournalAmerican Journal of Transplantation·DateMar 11, 2015
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.

Dark neural patches

Scientists at OIST Graduate University found that cell groups in the neostriatum do not communicate with each other and are less interconnected. The discovery has implications for studying diseases like Parkinson's, which affects motor control.

SourceOkinawa Institute of Science and Technology (OIST) Graduate University·JournalBrain Structure and Function·DateMar 11, 2015

Researchers develop tool to understand how the gut microbiome works

A new method called TFUMseq enables researchers to study the functions of hard-to-grow bacteria that contribute to the gut microbiome. The tool allows for the identification of genes that enhance microbial fitness and provides insights into how bacteria colonize living organisms.

SourceEMBO·JournalMolecular Systems Biology·DateMar 11, 2015

Particle jets reveal the secrets of the most exotic state of matter

Researchers analyze particle jets from lead ion collisions to understand quark-gluon plasma properties. The study reveals that high-energy jets are suppressed, contradicting some theoretical models.

SourceThe Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences·JournalPhysical Review Letters·DateMar 11, 2015

When should blood transfusions be given after cardiac surgery?

Researchers found that patients who received blood transfusions at a higher haemoglobin level had fewer serious complications and deaths after cardiac surgery. The study challenges current guidelines and health policy, suggesting that a more liberal approach to transfusion may be safer and more cost-effective

SourceUniversity of Bristol·JournalNew England Journal of Medicine·DateMar 11, 2015
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.

It's sound -- Bristol Pound encourages community unity

Research on the Bristol Pound found it fosters social bonds by shaping interactions and feelings of trust among users, promoting local business support and community cohesion. The study's findings have implications for designing future payment systems that prioritize social connectivity.

SourceUniversity of Bristol·DateMar 11, 2015

Researchers develop 'visual Turing test'

A new system designed by researchers from Brown and Johns Hopkins universities aims to assess computer vision systems' ability to understand the context of an image. The 'visual Turing test' evaluates how well computers can recognize subtle details, such as people walking together and having a conversation.

SourceBrown University·JournalProceedings of the National Academy of Sciences·DateMar 11, 2015

Babies' body mass index may predict childhood obesity

Researchers from The Children's Hospital of Philadelphia found that infant BMI-childhood obesity relationship is strong in African-American children. A better understanding of infancy growth patterns can lead to more effective early efforts at obesity prevention.

SourceChildren's Hospital of Philadelphia·JournalThe Journal of Clinical Endocrinology & Metabolism·DateMar 11, 2015
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.

The physics of clouds

Researchers use a cylindrical rotating system to study turbulent convection, disproving the idea that transitions from one state of turbulence to another are smooth. Their findings suggest that symmetry changes must be sharp, contradicting Lev Landau's theory.

SourceUniversity of California - Santa Barbara·JournalPhysical Review Letters·DateMar 11, 2015

Study reveals how genetic changes lead to familial Alzheimer's disease

A study led by Drs. Kelleher and Shen discovered that presenilin-1 mutations decrease gamma-secretase activity, leading to age-dependent death of neurons and neurodegeneration. The findings may transform the way scientists design drugs for inherited Alzheimer's disease.

SourceNIH/National Institute of Neurological Disorders and Stroke·JournalNeuron·DateMar 11, 2015
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.

Study reveals sexual appeal of war heroes

A study published in Evolution and Human Behaviour found that women are more attracted to war heroes than regular soldiers or men who display heroic traits in other fields. The researchers also discovered that heroism in combat increases women's levels of sexual attraction towards male soldiers, but not in disaster zones.

SourceUniversity of Southampton·JournalEvolution and Human Behavior·DateMar 11, 2015
Celestron NexStar 8SE Computerized Telescope

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