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Science News Archive 2012


Page 91 of 333

Nanoparticles detect biochemistry of inflammation

Researchers have developed a degradable polymer nanoparticle that detects biologically relevant concentrations of hydrogen peroxide, allowing for the non-invasive detection of inflammation. This method enables targeted drug delivery to diseased tissue, holding promise for treating cardiovascular diseases such as atherosclerosis.

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.

Precision motion tracking -- thousands of cells at a time

Researchers developed a novel microscopy technique that captures precise motion paths in three dimensions, tracking over 24,000 rapidly moving cells. The technique reveals previously unknown statistical pathways for human male gamete cells, showing complex twists and turns in their movements.

Do you want to know another role of ribonucleotide reductase M2?

The study found that RRM2 overexpression is positively correlated with invasive properties of CRC cells. Silencing RRM2 inhibited hyperplasia and invasiveness, indicating its role in CRC progression. Additionally, RRM2 depletion increased UV sensitivity, suggesting a facilitating factor in DNA damage repair.

Protection for humans on Mars

The European Space Agency (ESA) funded a study to test the shielding properties of Moon and Mars regolith against cosmic radiation. The GSI facility in Germany analyzed how well the stone slabs protect against radiation and produced neutrons when radiated.

Apple iPhone 17 Pro

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

Rating HPV biomarkers in head, neck cancers

A study found that detecting specific HPV biomarkers, such as E6/E7 antibodies, in combination with tumor characteristics can help identify patients with a better prognosis. This approach may lead to more targeted treatment for head and neck cancers.

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.

Reynolds Foundation awards ASU $8.21 million for business journalism

Arizona State University has been awarded two grants totaling $8.21 million by the Donald W. Reynolds Foundation to enhance its business journalism programs. The foundation's support will help the university continue to operate the Reynolds National Center for Business Journalism and establish a permanent endowment for visiting profess...

New findings on protein misfolding

Researchers have identified 21 proteins that interact with ataxin-1, which can enhance or prevent its misfolding and toxicity. The study found that proteins with a specific structure called 'coiled-coil-domain' promote aggregation and toxic effects.

Higher levels of BPA in children and teens associated with obesity

A nationally representative sample of nearly 3,000 children and adolescents found those with higher urinary bisphenol A (BPA) concentrations were more likely to be obese. The study suggests BPA exposure may contribute to obesity in humans, particularly among white children and adolescents.

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.

Longer exercise provides added benefit to children's health

A study found that 20-40 minutes of daily exercise reduces the risk of diabetes and body fat in children, with longer periods providing greater benefits. Children who exercised for 40 minutes had a 22% reduction in insulin resistance compared to those who exercised for 20 minutes.

Statins are unlikely to prevent blood clots

A large analysis of over 100,000 participants found that statins have a very small effect on preventing venous thromboembolic events. The study suggests that high-dose and low-dose statins have no effect on blood clots.

App lets you monitor lung health using only a smartphone

A new tool allows people to monitor their lung function at home or on the go by blowing into their smartphones. The app, SpiroSmart, uses a phone's microphone to analyze sound wave frequencies and detect lung problems with accuracy within 5 percent of commercial devices.

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.

Government can play important role in obesity epidemic

A government-regulated approach could effectively measure to prevent obesity by addressing excess calorie consumption through portion size control. The proposal aims to encourage food companies to voluntarily alter products or marketing to reduce health risks.

Lack of sleep affects bone health and bone marrow activity

Researchers found dramatic imbalances in bone apposition and reabsorption, reduced marrow fat, and increased platelet counts in sleep-deprived rats. These findings suggest potential medical implications for humans, including poor bone repair and increased risk of osteoporosis.

NASA sees Hurricane Lane punched in the eye

Hurricane Lane's eye has become cloud-filled, resembling being punched in the eye, due to powerful thunderstorms surrounding it. Cooler waters and increased wind shear are forecast to weaken the storm further, leading to its eventual dissipation by Wednesday.

Tasered youth fare as well as adults, new research says

A new study from Wake Forest Baptist Medical Center researchers found no significant differences in injury rates or types of injuries between adolescents and adults who were tased by law enforcement officers. The study, which reviewed 2,026 Taser uses, found most injuries to be mild and superficial.

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.

New tools help nursing homes track and prevent deadly infections

The Society for Healthcare Epidemiology of America and CDC released new tools to track deadly healthcare-associated infections in nursing homes. Updated infection definitions provide uniform criteria for tracking HAIs, including norovirus gastroenteritis and Clostridium difficile infections.

Who is entitled to social welfare?

A Danish researcher found that a universal psychological instinct triggers decisions on deservingness of welfare recipients, regardless of cultural differences. This instinct dates back to the Stone Age, when sharing food was crucial for survival, and influences modern attitudes towards help and support.

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.

Hopes that new substance will induce cancer cell suicide

Researchers tested APR-246 on 22 patients with advanced blood or prostate cancer, finding indications that the substance restored p53 gene function and triggered cancer cell apoptosis. In two patients, tumor regression was observed, suggesting potential clinical benefits.

Quasars: Mileposts marking the universe's expansion

Researchers at Case Western Reserve University have found a way to map the spread and structure of the universe using the light of quasars. By analyzing patterns of light variation over time, they were able to calculate the relative size of the universe when the light was emitted, compared to today.

Meta Quest 3 512GB

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

Pacifiers may have emotional consequences for boys

Researchers found that heavy pacifier use in young children is linked to poor emotional maturity and lower perspective-taking scores. The study suggests that girls may be less affected due to societal expectations of emotional sophistication. Parents are advised to limit pacifier use to promote healthy emotional development.

How much product information do consumers want?

A study published in Journal of Consumer Research found that people vary widely on the level of detail required for understanding a product. Explanation fiends require more details to feel informed, while explanation foes feel confident with superficial explanations. Understanding what consumers want is crucial for marketers.

First Pathfinder Awards announced tackling rare and orphan diseases

The Wellcome Trust has announced its first Pathfinder Awards to support research into rare and orphan diseases, including Neurodegeneration with Brain Iron Accumulation (NBIA) and Homocystinuria. The awards aim to facilitate collaboration between academia and industry to develop innovative treatments for these debilitating conditions.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

Study links breast cancer risk to early-life diet and metabolic syndrome

Researchers at UC Davis discovered that early-life diet and metabolic changes can stimulate breast growth and increase the risk of breast cancer, independent of estrogen levels. The study used mice with a diet supplemented with CLA to mimic metabolic syndrome, which was found to increase mammary duct growth and tumor formation.

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.

Mercyhurst University presents new research on managing spinal injuries to NFL

Mercyhurst University researchers have developed new protocols for managing cervical spine injuries in football players, with the goal of achieving the highest level of care. The research, conducted in collaboration with Sports Medicine Concepts and the NFL, aims to standardize emergency management protocols and improve on-field response.

Simple test to predict if pregnant women will give birth prematurely

Researchers developed a method to predict if pregnant women with preterm contractions will give birth within seven days. The new blood test combines two specific proteins with an ultrasound examination of the cervix, offering possibilities to delay delivery and prepare care for premature babies.

Alpine glaciers contribute to carbon cycling

Researchers have discovered that Alpine glaciers contain diverse biogeochemical complexes of dissolved organic matter, which is surprisingly bioavailable. This finding highlights the importance of glaciers as 'freezers' that preserve organic matter for microbial heterotrophs.

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.

Shrinking snow depth on Arctic sea ice threatens ringed seal habitat

A new study found that the area with sufficient snow cover for ringed seals to reproduce will disappear by almost 70% this century. The researchers anticipate that the loss of sea ice will lead to insufficient snow depth, causing caves to collapse and hindering the seals' ability to raise their pups.

Cystic fibrosis disrupts pancreas two ways in CF-related diabetes

Cystic fibrosis causes two abnormalities in the pancreas that affect insulin production, leading to diabetes. The study also found that CF can disrupt insulin regulation as early as birth, with defects in chloride channel protein potentially contributing to the problem.

Behavior issues are a bigger headache for children with migraines

A large-scale study found that children with migraine headaches are more likely to experience social and attention issues, as well as anxiety and depression. The study, published in the journal Cephalalgia, suggests that headache frequency is a key factor in these behavioral difficulties.

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.

At the right place at the right time -- new insights into muscle stem cells

Researchers have elucidated how muscle stem cells colonize niches for efficient growth and repair. They found that these stem cells weaken when located outside their muscle fiber niches, leading to weakened muscles. The Notch signaling pathway plays a crucial role in preventing differentiation of stem cells into muscle cells.

Canada needs approach to combat elder abuse

Elder abuse affects 4% of Canadian seniors, with an estimated 200,000 to 500,000 people experiencing abuse or neglect. A comprehensive approach is needed, including financial support for caregivers and education, training, and respite programs.

Clinic-based community program helps with childhood obesity

A new feasibility study by Temple University researchers found that a 6-month clinic-based community program helped 10% fewer children overcome obesity. The program, which included weight loss and management lessons for kids and their parents, was successfully implemented in the community.

Report: Cancer now leading cause of death in US hispanics

A new report from the American Cancer Society reveals that cancer has surpassed heart disease as the leading cause of death among Hispanics in the US. The report highlights the unique factors contributing to this trend, including age distribution, socioeconomic status, and immigration history.

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.

Toxic protein build-up in blood shines light on fatal brain disease

A new blood test has been developed to measure levels of the toxic protein that causes Huntington's disease, which builds up gradually in blood cells over time. The research found that levels of mutant huntingtin protein corresponded to brain shrinkage, and may help explain how damage accumulates, eventually causing symptoms.