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Science News Archive 2012


Page 165 of 333

Rate of severe reactions higher than thought in young children with food allergies

A recent study by the Consortium of Food Allergy Research (CoFAR) found that young children with milk and egg allergies experience severe reactions at a higher rate than previously believed. The study also revealed that some caregivers are hesitant to give epinephrine, a medication that reverses the symptoms of such reactions. Nearly 1...

Apple iPhone 17 Pro

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

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.

Welfare allowance may hit women's careers

Research shows that Norwegian mothers who received a childcare benefit to stay at home with small children often don't return to full-time work until their child is six. However, educated mothers can safeguard their careers by working part-time, maintaining job expertise and networks.

Scientists twist light to send data

A multi-national team has developed a system to transmit data at dramatically increased speeds using twisted beams of light, with rates of up to 2.56 terabits per second. This technology could be used for high-speed satellite communication links and fiber optic cables.

Exercise, even mild physical activity, may reduce breast cancer risk

A new analysis found that physical activity may reduce breast cancer risk by 30% in women, with moderate activity providing the greatest benefit. Exercise before or after menopause also shows promise in reducing breast cancer risk, particularly for hormone receptor-positive tumors.

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.

Treating vitamin D deficiency may improve depression

A new study found that treating vitamin D deficiency improved symptoms of depression in women, suggesting a potential link between the two conditions. The study involved three women who received oral vitamin D replacement therapy and showed significant improvement in their depression scores after 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.

Maths formula leads researchers to source of pollution

Researchers develop algorithm to track pollutants in water and atmosphere, identifying exact location of leaks as soon as possible. The model takes into account diffusion, convection, and reaction, providing unique solution given observable data.

Economist shows the value of moving back with mom and dad

A recent study by Greg Kaplan found that young adults who move back home with their parents after a job loss can benefit from it. Living at home allows individuals to be choosier when looking for a new job, enabling them to wait for higher-paying opportunities and avoiding lower-earning jobs. This can result in lower long-term earnings...

Cassini shows why jet streams cross-cut Saturn

A new study using Cassini images shows that turbulent jet streams on Saturn are powered by internal heat from the planet. The condensation of water vapor in mid-latitudes creates temperature differences, leading to eddies that accelerate the jets like rotating gears.

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.

Study identifies factors related to violence in veterans

A national survey found that US military veterans with protective factors such as employment, social support, and spiritual faith were 92% less likely to report severe violence. The study suggests that addressing these factors can help reduce the likelihood of violence in returning veterans.

Economic policies in isolation won't lead to growth in Europe

A European study emphasizes the importance of participatory citizenship and citizen engagement in addressing economic challenges. The research identifies barriers to these processes, including a lack of trust in politicians and the challenge of creating dialogue between citizens and policymakers.

Overweight men can boost low testosterone levels by losing weight

A new study found that weight loss reduced the prevalence of low testosterone levels in overweight, middle-aged men with prediabetes by almost 50 percent. The study involved nearly 900 men and showed that lifestyle modification, rather than medication, can increase testosterone production.

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.

Eating garbage: Bacteria for bioremediation

Bacteria found in a Colombian garbage dump have been shown to neutralize contaminants, making them suitable for bioremediation. The indigenous bacterial community was able to break down hydrocarbon compounds and other pollutants, providing a potential solution to clean the site.

JCI early table of contents for June 25, 2012

Scientists identify WNT signaling pathway as potential therapeutic target for obesity. Antibiotic treatment after Lyme disease shows fluorescent bacterial debris remains without causing infection. Oxidative stress contributes to parasite persistence in host tissues, opening new avenue for anti-Trypanosoma cruzi drugs.

The skinny on what makes us fat

Research found that SFRP5-deficient mice showed increased metabolic activity and were resistant to diet-induced obesity, revealing the mechanism of SFRP5-mediated fat cell generation. The study suggests targeting the WNT signaling pathway could be a therapeutic approach to treat obesity.

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.

Experimental drug helps diabetes patients lose weight

A new study finds that an experimental weight-loss drug, phentermine/topiramate, significantly aids overweight patients with type 2 diabetes in shedding pounds. Patients who took the medication combined with diet and exercise modifications were more likely to lose moderate amounts of weight than those on a placebo.

Ciénega de Santa Clara unchanged after pilot run of Yuma Desalting Plant

A binational team of researchers from the University of Arizona monitored conditions in Ciénega de Santa Clara before, during and after the plant's pilot run, finding no significant changes to hydrology, water quality, vegetation, or marsh birds. The wetland appears resilient in the face of short-term disturbances.

Biological switch paves way for improved biofuel production

Researchers from Queen Mary University of London have identified a biological mechanism controlling electron transport in cyanobacteria, which could lead to more efficient solar-powered biofuel production. The discovery was made by exposing cells to different light conditions and observing the changes in electron transport pathways.

Celestron NexStar 8SE Computerized Telescope

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

Low vitamin D levels linked to weight gain in some older women

A Kaiser Permanente study found that older women with low Vitamin D levels gained an average of 2 pounds more than those with sufficient levels over nearly five years. The study, which involved over 4,600 women ages 65 and older, also found no association between Vitamin D insufficiency and weight changes in the entire group.

Unraveling the mysteries of exotic superconductors

Researchers at Ames Laboratory found that magnetism helps or is responsible for superconductivity in iron-based superconductors. By measuring the London penetration depth, they revealed basic information about the material's behavior in the superconducting state.

UCLA biologists reveal potential 'fatal flaw' in iconic sexual selection study

A classic study on male and female promiscuity has been called into question after UCLA biologists repeated the experiment using the same methods as the original. The team found that Bateman's conclusions about the relationship between mate number and offspring fitness were likely flawed due to a bias in his methodology.

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.

CWRU nurse researcher surveys infection control practices for home patients

A survey of 3,800 home healthcare providers found that many agencies lack written policies on handling infection control for antibiotic-resistant infections. The study highlights the need for simple and quick actions like hand washing, vaccinations, and patient isolation to decrease infections in home care settings.

Hormone, oxytocin, shows potential as weight-loss treatment

A new animal study finds that oxytocin helps regulate food intake and energy metabolism without causing adverse effects. Oxytocin administered through daily injections or implanted mini pumps reduced food consumption, body weight, and liver fat, improving glucose tolerance and reducing abdominal fat.

Fluke 87V Industrial Digital Multimeter

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

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.

Vitamin D tests are inaccurate

A study by Loyola University Chicago Stritch School of Medicine found that two new vitamin D test kits had poor performance, with results deviating from the gold standard method by up to 25%. This inaccuracy could lead to misdiagnoses and overtreatment of vitamin D deficiency.

Stillbirth rate twice as high among least well off in England

Research published in BMJ Open finds that stillbirth rates are twice as high among the least well-off in England, with the gap remaining constant over eight years. Socio-economic inequalities in stillbirths by cause have been evident across all causes, including bleeding before birth and congenital abnormalities.

Prions and cancer: A story unfolding

A recent study published in the Journal of Biological Chemistry reveals that mutant p53 protein aggregates may lead to prion-like behavior, impairing its ability to suppress tumor growth. The findings suggest that this misfolding mechanism could serve as a potential target for cancer therapy.

Scientists struggle with mathematical details

A study by Dr Tim Fawcett and Dr Andrew Higginson found that articles with many equations are seldom referenced, highlighting the importance of clear communication between theory and experiments. The authors recommend improved mathematical training for science graduates to overcome this barrier.

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.

Metformin may lower cancer risk in people with Type 2 diabetes

A systematic review of seven studies involving over 32,400 patients found that metformin reduced the risk of any type of cancer by 38% compared to those not taking the medication. The benefits were seen in colon and breast cancer, but not pancreatic cancer.

7 pharmaceutical companies join academic researchers to speed TB drug discovery

Seven pharmaceutical companies, including Abbott, AstraZeneca, and Sanofi, have joined forces with four research institutions to accelerate the development of new tuberculosis (TB) drugs. The TB Drug Accelerator aims to shorten treatment regimens from six months to one month, reducing mortality rates and combating drug resistance.

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.

Nano-sandwich technique slims down solar cells, improves efficiency

Researchers at North Carolina State University have developed a nano-sandwich technique to create thinner solar cells while maintaining their ability to absorb solar energy. The new design, which uses a thin active layer surrounded by dielectric materials, significantly improves efficiency and decreases manufacturing costs.

Swine flu vaccination program a success in Scotland

A successful swine flu vaccination program in Scotland showed 77% protection against the H1N1 virus, while also reducing hospital admissions by 20% due to related disorders. The program's effectiveness was demonstrated through detailed data analysis, which took into account multiple conditions such as pneumonia and COPD.

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.