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Science News Archive 2014


Page 120 of 376

Should lung cancer screening be covered for Medicare beneficiaries?

A secondary analysis of the National Lung Screening Trial (NLST) data found that both cancer prevalence and positive predictive value of lung cancer screening were higher in the 65+ cohort than in the under-65 cohort. Clinicians should share age-specific estimates of screening benefits and harms with patients to make an informed decision.

Notch1 and osteoblasts play role in bone cancer initiation

A new mouse model reveals that high levels of Notch1 can transform osteoblasts into cancerous cells, leading to osteogenic sarcoma. This study supports the hypothesis that Notch activating mutations can act as a common triggering mechanism in bone cancer.

Apple iPhone 17 Pro

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

Scientists reveal cell secret potentially useful for vaccines

Researchers found that memory cells arise directly from effector cells through a signaling molecule called Bcl-6. This discovery could lead to more effective vaccine development by strengthening the immune system's ability to respond to recurring pathogens.

Brain injuries no match for sPIF treatment

Researchers at Yale School of Medicine have found a synthetic molecule called PreImplantation Factor (sPIF) that protects against neuronal death and brain injury. The study suggests that sPIF mitigates brain damage through a novel pathway, potentially treating perinatal brain injuries and neurodegenerative disorders.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Food craving is stronger, but controllable, for kids

Children show stronger food craving than adolescents and adults but can use a cognitive strategy to reduce it by 16%, according to new research. The study's findings have implications for interventions to curb childhood obesity and suggest that brain areas involved in regulating craving differ depending on body mass.

Broken signals lead to neurodegeneration

A study published in PNAS reveals that a protein cross-linking enzyme interacts with a cell receptor to lock it in a closed state, reducing neuron signaling in neurodegenerative diseases like Huntington's and Alzheimer's. The mechanism may provide insight into the development of new drug therapies for these conditions.

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.

Fish oil may help curb seizure frequency in epilepsy

Low-dose fish oil was found to reduce seizure frequency by a third in people with epilepsy who no longer responded to drug treatment. The study also showed a modest fall in blood pressure, but no significant changes in heart rate or fat levels.

Hog workers carry drug-resistant bacteria even after they leave the farm

A new study reveals that nearly half of hog workers in North Carolina carry livestock-associated Staphylococcus aureus, with 46% persistently carrying the bacteria up to four days after exposure. The drug-resistant strains have implications for public health, potentially spreading to family members and communities.

Nearly half of older adults have care needs

A recent study reveals that nearly half of older adults (18 million) struggle with daily activities, with 20% requiring assistance. The majority receive help from informal caregivers, but unmet needs persist, particularly among those with few economic resources.

Social networking can help people lose weight

Research by Imperial College London combining 12 previous studies shows social networking programmes have achieved modest but significant results in helping participants lose weight. The programme provides a community of support from clinicians and peers, empowering patients to be more proactive in their treatment.

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.

Tip sheet from Annals of Internal Medicine, Sept. 9, 2014

The American College of Physicians (ACP) advises pregnant women at high risk for preeclampsia to take daily low-dose aspirin. Meanwhile, a study found that health insurance remains unaffordable for many younger adults under the Affordable Care Act, with premiums often exceeding the cost of purchasing a plan.

New parasitoid wasp species found in China

A new species of parasitoid wasp, Spasskia brevicarinata, has been discovered in China, adding to the genus Spasskia. The newly identified species exhibits distinct characteristics, including a short ridge on its first tergite.

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.

Faces are more likely to seem alive when we want to feel connected

New research reveals that people with lower social connections have a higher threshold for determining animacy in faces. This suggests that individuals with high social connection desires prioritize recognizing human-like features less to form connections. The study sheds light on the role of social motivation in face perception and ma...

Giving the breath of life to infants

University of Alberta researchers have developed a new resuscitation method that combines oxygen flow and chest compressions, increasing survival rates for newborn babies. The technique has already helped save the lives of eight infants in a clinical trial.

A low-energy optical circuit for a new era of technology

EPFL scientists have developed a silicon-based photonic crystal nanocavity that requires record-low energy to operate as a switch, enabling faster and more efficient technology. The device's high Q factor and small size produce higher light intensity for the same energy, making it a significant step towards optical circuits.

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.

61 percent fall in female genital warts due to free HPV vaccine

A study from the University of Sydney reveals a 61% decrease in genital wart management among young women since the introduction of the free HPV vaccination program. The vaccine has been effective in reducing genital warts and their treatment costs, with no significant change in other sexually transmitted infections.

Electronic nose can detect sub-groups of asthma in children

A new study found that an electronic nose can identify distinct sub-groups of asthma in children, differing in age and symptoms. This discovery may enable healthcare professionals to tailor treatment to each individual, improving diagnosis and outcomes.

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.

Inexpensive lab test identifies resistant infections in hours

A new lab test, Carba NP, has been developed to detect carbapenem-resistant Enterobacteriaceae (CRE) in just 2.5 hours, with a specificity of 100%. The test is highly sensitive and specific for detecting carbapenemase production, making it a crucial tool for preventing the spread of CRE.

Sleeping on animal fur in infancy found to reduce risk of asthma

A new study found that sleeping on animal fur in the first three months of life may reduce the risk of asthma in later childhood. The research, presented at the European Respiratory Society International Congress, suggests that exposure to animal skin and fur could have a protective effect against asthma and allergies.

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.

Why age reduces our stem cells' ability to repair muscle

Researchers found that age-related decline in skeletal muscle stem cell function is caused by increased activation of the JAK/STAT signalling pathway. Inhibiting this pathway with specific drugs restores muscle stem cell function and promotes tissue repair.

Rethinking the basic science of graphene synthesis

Researchers at Penn State have developed a new route to making graphene through intercalation, allowing for the creation of single-layer sheets without damaging the layers. This breakthrough could lead to easier and more efficient production of graphene for various industrial applications.

Researchers discover a key to making new muscles

Researchers at Sanford-Burnham Medical Research Institute have developed a novel technique to promote tissue repair in damaged muscles. Cyclic bursts of a STAT3 inhibitor can replenish muscle stem cells, leading to their differentiation into muscle fibers, which could provide a new therapeutic approach to treating muscle diseases.

Dynamic duo takes out the cellular trash

Researchers discovered that Axl and Mer receptors work in different settings to recognize and engulf dead cells. The study found multiple critical differences between the receptors, including their ligand use and regulation.

'Pick 'n' Mix' chemistry to grow cultures of bioactive molecules

Researchers develop a new method called synthetic fermentation to rapidly synthesize large numbers of bioactive molecules using just a few building blocks. The method enables the generation of about 6,000 unnatural peptide-like molecules directly screened for biological activity without purification.

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.

Targeting the protein-making machinery to stop harmful bacteria

Scientists at the University of Rochester have isolated key steps in ribosome formation, a crucial process for bacterial growth. The researchers found that multiple pathways of RNA processing occur simultaneously, suggesting new possibilities for stopping super-bugs.

Continuing Bragg legacy of structure determination

Researchers at the University of Adelaide have made significant advances in crystallography, allowing them to study chemical reactions in their native state. The new technique uses a metal-organic framework to bind reactants and enables the examination of reaction products without isolating or growing crystals.

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.

Each day in the hospital raises risk of multidrug-resistant infection

A hospital stay significantly increases the risk of acquiring a multidrug-resistant infection, with each additional day boosting the likelihood by 1%, according to new research. The study found that the percentage of infections classified as multidrug-resistant rose sharply after four or five days of hospitalization, peaking at over 35%.

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.

New single-dose influenza drug appears safe and effective

A new single-dose influenza drug, peramivir, shows promise in alleviating flu symptoms, including fever and viral shedding, when administered within 48 hours of symptom onset. It effectively reduces median time to alleviation of symptoms by 22 hours and is generally safe and well-tolerated.

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.

Disease in a dish approach could aid Huntington's disease discovery

Scientists applied iPS cell technology to a transgenic nonhuman primate model of Huntington's disease, developing cellular features of the condition and discovering potential therapies for oxidative stress. This approach could aid in the discovery and evaluation of other treatments for the disorder.

Near-extinct African amphibians 'invisible' under climate change

A study found that modern methods for predicting species distributions under climate change often leave out rare and threatened species. In Africa, over 90% of listed species are missed by popular tools, despite these species being critical to conservation efforts.

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.

IBD patients: Consider giving infliximab a second try

A retrospective single-center study found that restarting infliximab therapy after a drug holiday is safe and effective for IBD patients. The average duration of infliximab holiday was 15 months. Patients who were in remission at the time infliximab was discontinued showed a 78 percent response rate at one year.

Three Clemson startups get funding to grow

Three Clemson startup companies, VRM Labs, ConnectTiss LLC, and Addictive Drug Delivery LLC, have received $25,000 in seed money from the University Sponsored Application Program. The companies are commercializing technologies developed at Clemson to address various industries such as pet food, aging skin, and surgical meshes.

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.

E-cigarettes: Studies presented at the ERS Congress

Research on e-cigarettes reveals potential links to asthma and emphysema, as well as a successful quitting aid, but also raises concerns about long-term effects and lack of consensus among doctors. The ERS Congress emphasizes the need for strong regulation to protect vulnerable populations.

Synthetic messenger boosts immune system

Researchers at Technical University of Munich have discovered a new site where T lymphocytes can be programmed to attack pathogens. The liver plays a key role in this process, and synthetic messenger Hyper-IL-6 has been found to efficiently activate T cells, offering a promising new adjuvant for vaccine formulations.