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Science News Archive February 2014 - Page 21


Page 21 of 30

First observation of a human HAT, key proteins in numerous pathologies

Researchers have identified the first structure of one of eight human amino acid transporters, known as HATs. This breakthrough provides new insights into their functions and opens up possibilities for developing drugs to tackle various diseases associated with HATs.

SourceInstitute for Research in Biomedicine (IRB Barcelona)·JournalProceedings of the National Academy of Sciences·DateFeb 11, 2014

Is an earthquake behind the Shroud of Turin image?

Researchers propose that a 33 A.D. Old Jerusalem earthquake triggered neutron radiation, causing the Shroud's distinctive image and potentially leading to incorrect radiocarbon dating results. The theory is based on piezonuclear fission reactions and suggests that neutron emissions from earthquakes could have imprinted the image onto t...

SourceSpringer·JournalMeccanica·DateFeb 11, 2014

Could pizza herb prevent winter vomiting disease?

Researchers found that carvacrol can break down the outer coat of norovirus, making it more susceptible to other antimicrobials. This discovery could lead to the development of a new food sanitizer and surface sanitizer for settings where traditional bleach or alcohol-based cleaners are not effective.

SourceWiley·JournalJournal of Applied Microbiology·DateFeb 11, 2014
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.

Study challenges a close link between recent weight gain and diabetes

A recent study published in PLOS Medicine suggests that type 2 diabetes may not be directly linked to substantial weight gain over time. Instead, researchers identified distinct patterns of obesity development, including stable overweight individuals and those who experience continuous weight gain before diagnosis. The findings highlig...

SourcePLOS·JournalPLOS Medicine·DateFeb 11, 2014

€3.5m to improve diagnosis of balance disorders

A €3.5m European Union-funded project aims to improve diagnosis and treatment of balance disorders through an online information system. The EMBalance tool will help clinicians accurately diagnose and manage balance-related conditions, reducing the risk of falls and improving patient independence.

SourceUniversity College London·DateFeb 11, 2014

Minority political candidates just need a chance

A Michigan State University scholar found that Latino and black candidates won as often as their white counterparts when running for office. The study suggests that parties should recruit more minority candidates to address the lack of representation in elected offices

SourceMichigan State University·JournalAmerican Journal of Political Science·DateFeb 11, 2014
Apple iPhone 17 Pro

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

New UK study shows potential for targeting aggressive breast cancers

A new UK study found that targeting Twist, a nuclear protein accelerating epithelial-mesenchymal transition, may provide an effective approach for treating triple-negative breast cancer. The study showed that disrupting the interaction of Twist with BRD4 inhibited invasion and tumorigenicity in triple-negative breast cancer cells.

SourceUniversity of Kentucky·JournalCancer Cell·DateFeb 11, 2014

NREL director Arvizu elected to National Academy of Engineering

Dan Arvizu, NREL director, has been elected to the National Academy of Engineering for his leadership in the renewable and clean energy sectors. He was cited for promoting national balanced energy policies and making significant advancements in engineering education.

SourceDOE/National Renewable Energy Laboratory·DateFeb 11, 2014

MIT robot may accelerate trials for stroke medications

A new MIT robot developed by Hermano Igo Krebs can help pharmaceutical companies speed up drug development for stroke medications. By using the robot's measurements, companies may only need to test 240 patients to determine whether a drug works, reducing time and cost by 70%.

SourceMassachusetts Institute of Technology·JournalStroke·DateFeb 11, 2014
Celestron NexStar 8SE Computerized Telescope

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

A new postal code for cancer

Scientists at the University of Freiburg have discovered a new paradigm for targeting specific cell types using nanoparticles. They developed particles that can recognize endothelial cells through biophysical principles, allowing for precise delivery to cancer cells without changing biological addresses. This breakthrough has significa...

SourceUniversity of Freiburg·JournalProceedings of the National Academy of Sciences·DateFeb 11, 2014

Study finds small increased risk of kidney disease following kidney donation

A study of nearly 100,000 kidney donors found a small increased lifetime risk of developing end-stage renal disease following donation compared to healthy nondonors. The estimated cumulative incidence of ESRD at 15 years after donation was higher in donors than healthy nondonors, with blacks having the highest absolute risk.

SourceJAMA Network·JournalJAMA·DateFeb 11, 2014

Urban bees using plastic to build hives

Two solitary bee species use plastic materials to construct nests, replacing traditional plant-based building materials. The discovery suggests innovative use of common urban waste and potential benefits for parasite resistance.

SourceUniversity of Guelph·JournalEcosphere·DateFeb 11, 2014

Walking in their shoes: How fundraisers can boost donations

Researchers found that individuals who feel connected to a group are more likely to donate, even if it's for a different group. The study suggests that nonprofits can improve fundraising efforts by targeting specific demographics and avoiding comparisons between donors and recipients.

SourceUniversity of Chicago Press Journals·JournalJournal of Consumer Research·DateFeb 11, 2014
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.

Data on today's youth reveal childhood clues for later risk of STDs

A new study found that children who grow up in well-managed households and have school engagement report fewer sexually transmitted diseases in young adulthood. The findings suggest that prevention programs should focus on family dynamics and youth development rather than just abstinence education.

SourceUniversity of Washington·JournalJournal of Adolescent Health·DateFeb 11, 2014

New imaging technique can diagnose common heart condition

A new imaging technique can diagnose aortic disease and predict potential complications in patients with bicuspid aortic valve. Blood flow changes were found to be driven by specific types of abnormal aortic valves, and the study demonstrated a direct association between blood flow patterns and aortic diseases.

SourceNorthwestern University·JournalCirculation·DateFeb 11, 2014

Could statins be used to fight a deadly viral infection?

A study by Penn microbiologists found that statins can lower cholesterol levels and make cells less susceptible to hantavirus infection. This could lead to potential treatments for the deadly virus, which causes flu-like symptoms and respiratory distress syndrome.

SourceUniversity of Pennsylvania School of Medicine·JournalPLOS Pathogens·DateFeb 11, 2014

Smoking cessation may improve mental health

Researchers found that quitting smoking is associated with lower rates of mood/anxiety disorders and alcohol use disorder. The study analyzed data from over 4,800 daily smokers and found significant improvements in mental health outcomes after quitting or reducing cigarette smoking.

SourceWashU Medicine·JournalPsychological Medicine·DateFeb 11, 2014
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.

Man's best friend equally adapted to high altitudes of Tibet

A study published in Molecular Biology and Evolution found that Tibetan Mastiffs have undergone genetic adaptations to survive at high altitudes. The research identified 16 genes involved in energy production critical for high-altitude survival, suggesting convergent evolution between dogs and humans.

SourceSMBE Journals (Molecular Biology and Evolution and Genome Biology and Evolution)·JournalMolecular Biology and Evolution·DateFeb 11, 2014

No clowning around: Juggling sheds light on how we run

A study by Johns Hopkins engineers used juggling to investigate how vision and the sense of touch help control limb movement, shedding light on potential treatments for neurological diseases. Adding haptic feedback improved performance, but didn't correct errors, highlighting the brain's reliance on timing information.

SourceJohns Hopkins University·JournalJournal of Neurophysiology·DateFeb 11, 2014

New pain target for bacterial infections

Researchers discovered that bacterial LPS components directly activate pain sensors, triggering immediate pain and inflammatory responses. This finding reveals a new target for drugs designed to treat bacterial infections, such as pneumonia and meningitis.

SourceKU Leuven·JournalNature Communications·DateFeb 10, 2014

Mechanism elucidated: How smell perception influences food intake

Researchers discovered that CB1 cannabinoid receptors control a circuit connecting the olfactory bulb to the olfactory cortex, increasing sensitivity to smell during hunger. This biological mechanism may be altered in obese or anorexic patients, enabling better management of these pathologies.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalNature Neuroscience·DateFeb 10, 2014
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.

Normal enzyme aids a mutant 1 to fuel blood cancer's growth

Researchers at Dana-Farber Cancer Institute found that the normal enzyme SYK pairs with mutated FLT3 to promote AML progression and resistance to treatment. Combination therapy involving SYK and FLT3 inhibitors showed significant promise in treating AML.

SourceDana-Farber Cancer Institute·JournalCancer Cell·DateFeb 10, 2014

Obesity, type 2 diabetes epidemics spreading to developing world as more own TVs, computer

An international study found a strong association between household device ownership and increased rates of obesity and type 2 diabetes in lower and middle income countries. The prevalence of these conditions rose with the number of devices owned, highlighting the need for health interventions to mitigate the effects of modernization.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateFeb 10, 2014

When you always gotta go...

The FINNO Study found that women are more likely to suffer from incontinence, while men experience problems with slow or incomplete urination. The study also identified post-micturition dribble as the most common cause of bother among men.

SourceUniversity of Helsinki·JournalEuropean Urology·DateFeb 10, 2014
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.

New advance in 3-D printing and tissue engineering technology

A new micro-robotic technique allows for precise construction of individual cell-encapsulating hydrogels, enabling true control over bottom-up tissue engineering. This breakthrough has the potential to revolutionize 3D printing and tissue engineering, addressing organ shortages and improving disease treatment.

SourceBrigham and Women's Hospital·JournalNature Communications·DateFeb 10, 2014

New therapy for personality disorders proven more effective than other major treatments

A large-scale randomized control trial shows Schema Therapy to be significantly more effective than Clarification-Oriented Psychotherapy and treatment as usual in treating a range of personality disorders. The therapy resulted in higher recovery rates, greater declines in depression, and lower dropout rates.

SourceInternational Society of Schema Therapy·JournalAmerican Journal of Psychiatry·DateFeb 10, 2014

Fish living near the equator will not thrive in the warmer oceans of the future

A recent study found that six common species of fish near the equator are unable to survive in warmer waters, with some species experiencing a narrow temperature range. This suggests that climate change poses a significant threat to these fish populations, which could have devastating consequences for human societies reliant on them.

SourceARC Centre of Excellence for Coral Reef Studies·JournalGlobal Change Biology·DateFeb 10, 2014

Recycling of 'chauffeur protein' helps regulate fat production

Johns Hopkins researchers identified a protein called SCAP that regulates fatty liver disease and diabetes. They found that SCAP's 'chauffeur' role is crucial to the cycle of fat production, and disrupting this process may lead to new treatments.

SourceJohns Hopkins Medicine·JournalJournal of Biological Chemistry·DateFeb 10, 2014
Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Sometimes the average just isn't good enough

Researchers used computer simulation to analyze X-ray crystallographic data and found that current software programs underestimate the level of dynamics in proteins. This could lead to more accurate pictures of protein structures and improved development of medicines.

SourceUniversity of Vienna·JournalNature Communications·DateFeb 10, 2014

Matchmaking this Valentine's Day: How it can bring you the most happiness

New research finds that matchmaking brings intrinsic happiness to the matchmaker, particularly when pairing people who are less likely to meet. This study suggests that making meaningful connections is key to reaping emotional benefits from social interactions.

SourceSociety for Personality and Social Psychology·JournalSocial Psychological and Personality Science·DateFeb 10, 2014
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.

Flat-pack lens boosts solar power

Micro-machining enables the creation of almost flat Fresnel lenses that significantly increase solar panel efficiency. The new design allows for a more precise focus of incident light, resulting in a four-fold increase in peak power compared to traditional panels.

SourceInderscience Publishers·JournalInternational Journal of Precision Technology·DateFeb 10, 2014

New trial results affirm better blood pressure management during C-section

A randomized controlled double-blinded trial involving 213 healthy women showed that the DIVA System provided better systolic blood pressure control and reduced nausea incidence compared to manual vasopressor administration. The system's enhanced speed and accuracy deliver a safer and better birth experience for patients.

SourceSingHealth·JournalAnaesthesia·DateFeb 10, 2014

Giant mass extinction may have been quicker than previously thought

Researchers at MIT determine the end-Permian extinction occurred over 60,000 years, killing 96% of marine species and 70% of life on land. The new timescale suggests massive volcanic eruptions from the Siberian Traps triggered a rapid collapse of global ecosystems.

SourceMassachusetts Institute of Technology·JournalProceedings of the National Academy of Sciences·DateFeb 10, 2014
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.

Hidden crop pest threat to poorer nations revealed

A study by the University of Exeter reveals that crop pests are greatly underestimated in developing countries, posing a significant threat to global food security. With many nations underreporting pest loads, investment in pest observations is crucial to identifying and controlling losses.

SourceUniversity of Exeter·JournalNew Phytologist·DateFeb 10, 2014

Measuring wind turbines remotely

Researchers have developed a technological system to measure wind turbine oscillations from a distance of several hundred meters. The system uses a laser that automatically tracks the motion of rotor blades, collecting data on precise positions and building a model of rotary motion.

SourceFraunhofer-Gesellschaft·DateFeb 10, 2014

Global imbalances in power undermine efforts to improve health & save lives

The Commission on Global Governance for Health calls for urgent reform of global decision-making to address socioeconomic inequality and health inequity. The report identifies seven areas where political and economic injustices affect population health, including food security and transnational corporations.

SourceThe Lancet_DELETED·JournalThe Lancet·DateFeb 10, 2014

Long distance signals protect brain from viral infections

Researchers have discovered that cells in the olfactory bulb release signaling molecules that trigger anti-viral interferon production in uninfected brain regions, preventing virus spread. The study shows promising potential for understanding and treating brain-infectious diseases.

SourceAmerican Society for Microbiology·JournalJournal of Virology·DateFeb 10, 2014
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.

Keep romance alive with double dates

A new study finds that participating in high-self-disclosure activities, such as double dates, can increase feelings of passionate love in relationships. The researchers also found that the responsiveness of other couples to personal disclosure predicts the increase in passionate love.

SourceSociety for Personality and Social Psychology·DateFeb 10, 2014

Massive neutrinos solve a cosmological conundrum

Scientists have combined Planck spacecraft and gravitational lensing observations to accurately measure the mass of ghostly sub-atomic particles called neutrinos for the first time. The team finds that massive neutrinos can explain the discrepancies between cosmological results and observations of large-scale structures in the Universe.

SourceUniversity of Manchester·JournalPhysical Review Letters·DateFeb 10, 2014

'Cut-and-paste' gene defect hints at cause of developmental disease

Scientists have identified a key role for protein Rnpc3 in the growth of organs during zebrafish development, revealing insights into the causes of Taybi-Linder syndrome. Minor class splicing is critical for gene expression regulation, with defects potentially affecting multiple genes.

SourceWalter and Eliza Hall Institute·JournalProceedings of the National Academy of Sciences·DateFeb 10, 2014
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.

MRI to offer advances in treatment for chronic kidney disease

Scientists at the University of Nottingham are developing non-invasive measurements using magnetic resonance imaging (MRI) to assess blood flow and oxygenation in the human kidney. The goal is to improve monitoring and treatment for chronic kidney disease, which can be caused by health conditions like diabetes and high blood pressure.

SourceUniversity of Nottingham·DateFeb 10, 2014
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.

Research reveals the give and take of urban temperature mitigating technologies

Researchers assessed the effectiveness of cool roofs, green roofs, and their hybrids in reducing urban temperatures. The study found that while these technologies can counteract temperature increases, they also have significant seasonal and geographical variations, highlighting the need for tailored planning and design choices.

SourceArizona State University·JournalProceedings of the National Academy of Sciences·DateFeb 10, 2014

The genetic origins of high-altitude adaptations in Tibetans

Tibetans' genetic adaptations for high-altitude living were shaped by a mixture of two ancestral gene pools, one migrating early to high altitude and the other acquiring advantageous alleles from resident populations. This process, known as admixture-facilitated adaptation, was driven by natural selection.

SourceUniversity of Chicago Medical Center·JournalNature Communications·DateFeb 10, 2014

Report calls for abolition of fixed retirement age

The report recommends abolishing the default retirement age worldwide, allowing people to choose their own retirement dates and promoting a more sustainable pension system. The authors suggest that older workers can contribute to society for longer periods, leading to increased productivity and reduced pressure on public finances.

SourceUniversity of Southampton·JournalPersonnel Review·DateFeb 10, 2014

JCI early table of contents for Feb. 10, 2014

In this study, researchers identified a unique regulatory T cell population in human skin that plays a crucial role in dampening the immune response against self-antigens. However, in inflamed skin, such as in psoriasis, this population is dysfunctional and fails to suppress autoimmunity.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateFeb 10, 2014
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.

Brain researchers discover how Galileo's visual illusion works in the mind's eye

Brain researchers discovered how Galileo's visual illusion works in the mind's eye, revealing that it occurs due to non-linear and exaggerated responses to light stimuli. This effect is responsible for various phenomena, such as why certain objects appear larger or smaller based on their dark parts in bright daylight.

SourceState University of New York College of Optometry·JournalProceedings of the National Academy of Sciences·DateFeb 10, 2014