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Science News Archive 2009


Page 204 of 277

Acid reflux without symptoms does not worsen asthma

A new study suggests that silent GER does not play a role in worsening asthma symptoms and control, contradicting previous beliefs. Researchers found no differences between patients treated with reflux medication and those who were not.

First screening in Italy on children's health in prison

Physicians from the Catholic University of Rome assessed health conditions of 150 children living with mothers in prison. Environmental factors and early weaning are linked to premature birth, hypertension, and allergy risk. Vaccination status is also a concern, with only 14% of jail-bound children fully vaccinated.

Study compares sound from exploding volcanoes with jet engines

Researchers at Scripps Institution of Oceanography have discovered a connection between the sound produced by volcanic eruptions and jet engines. By analyzing infrasound from Mount St. Helens and Tungurahua volcanoes, they found that the large-amplitude signals are generated in a similar way to smaller-scale man-made jets.

New research shows children take a toll on marital bliss

A study by University of Denver researchers found that ninety percent of couples experience a decrease in marital satisfaction once the first child is born. Couples who had been married longer or had higher incomes tended to have fewer marital problems related to having a baby.

Apple iPhone 17 Pro

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

Joslin study identifies 'good' energy burning fat in lean adults

Researchers at the Joslin Diabetes Center have demonstrated that adult humans still have a type of 'good' fat called brown fat, which is active in burning calories and using energy. Brown fat was found to be more common in thin adults with normal blood glucose levels, but less likely to be present in those who were overweight or obese.

Stop prescribing heartburn medication to asthma patients without acid reflux

A new national study found that prescription heartburn medication is ineffective for treating asthma in patients without acid reflux symptoms. The study, led by Northwestern University researchers, randomly gave 402 patients either the medication or a placebo, finding no difference in lung function or asthma control episodes.

Meat for sex in wild chimpanzees

Researchers found that male chimpanzees who share their food with females can mate more often than those who don't. Sharing meat over long periods of time doubles a male's mating success, while females increase their caloric intake without incurring energetic costs.

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.

UNH: Pavement sealcoat a source of toxins in stormwater runoff

Researchers at UNH found that sealcoat can contribute to high levels of polyaromatic hydrocarbons (PAHs) in waterways, posing a risk to aquatic life and potentially human health. The study showed significant increases in PAH concentrations in stormwater runoff from sealed parking lots compared to unsealed areas.

ARVO announces inaugural class of fellows

The Association for Research in Vision and Ophthalmology (ARVO) has announced its inaugural class of Fellows, honoring members who have made significant contributions to vision research and ophthalmology. The ARVO Fellow title recognizes outstanding achievements in leadership, collaboration, and dedication to advancing the field.

How tumor cells move

Scientists at Heidelberg University Hospital have identified a previously unknown protein called SCAI that inhibits the movement and spread of tumor cells. The study suggests that SCAI could be an interesting starting point for research into new mechanisms for fighting cancer.

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.

Parkinson's disease medication triggers destructive behaviors

A new study at the Mayo Clinic found that one in six patients taking therapeutic doses of dopamine agonist medications for Parkinson's disease developed new-onset compulsive gambling or hypersexuality. Researchers analyzed medical records of patients and found no such cases in those taking low doses or other treatments.

Software improves P2P privacy by hiding in the crowd

Researchers developed a technique to restore P2P privacy by hiding user-intended downloading behavior in a cloud of random downloads. This approach disrupts classification and provides users with 'plausible deniability,' making it difficult for eavesdroppers to accurately identify groups of users with similar download behavior.

Soybean component reduces menopause effects

A rat model study shows that dietary soy supplementation can prevent menopause-related syndromes, improve lipid profiles, and reduce LDL cholesterol while increasing HDL cholesterol levels. The findings support the indication that soybean consumption may prevent coronary heart disease.

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.

X marks the spot: Ions coldly go through NIST trap junction

Physicists at NIST have demonstrated a new ion trap that enables efficient transport of ions through an X-shaped junction, solving a key engineering issue for future ion-trap quantum computers. The demonstration achieved over 1 million successful transports with minimal heating, making it suitable for large-scale quantum computing.

UBC, U of T team helps solve mystery of starlight's origins

Scientists reveal that half of the Universe's starlight originates from young, star-forming galaxies billions of light-years away. The discovery was made using a two-tonne telescope carried by a balloon, and analyzes data from the Balloon-borne Large-Aperture Sub-millimeter Telescope (BLAST) project.

Shared equipment can lead to hepatitis B outbreaks

A systematic review of 33 HBV outbreaks found that administration of drugs using multi-vial compounds and capillary blood sampling with non-disposable devices are the most frequent transmission routes. The study highlights several topical factors, including a high number of outbreaks in dialysis units and associations with multi-vial use.

Scientists develop method for comprehensive proteome analysis

Researchers at Burnham Institute have developed a novel method to analyze the proteome of yeast, identifying 4,600 proteins. This breakthrough can lead to the discovery of new biomarkers for diseases and inform protein expression changes in response to stimuli.

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.

Caltech scientists control complex nucleation processes using DNA origami seeds

Researchers at Caltech have successfully created a system using DNA origami seeds that can direct the self-assembled growth of DNA tiles into precise forms. This breakthrough demonstrates unprecedented control over information-directed molecular self-assembly, paving the way for future applications in technology and materials science.

Aerosols may drive a significant portion of arctic warming

Researchers at NASA found that aerosols are responsible for a significant portion of Arctic warming since 1976, with sulfates and black carbon playing critical roles. The study suggests aerosols may account for up to 45% of the observed warming, which is comparable to the impact of greenhouse gases.

Heartburn medications do not ease asthma symptoms

A new study by the American Lung Association found that heartburn medication does not help control asthma symptoms in adults with poorly controlled asthma and no significant heartburn symptoms. Despite using a high dose of esomeprazole, participants showed no improvement in asthma episodes or control.

Fluke 87V Industrial Digital Multimeter

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

Study: Treatment for acid reflux does not improve asthma

A study published in the New England Journal of Medicine found that proton pump inhibitors do not improve asthma control in patients with persistent acid reflux. Researchers examined 402 adults with asthma over 24 weeks and found no benefits from treatment, saving patients unnecessary costs and potential side effects.

Purple does not stand for prevention in asthma

A 20-center study of 402 patients with poorly controlled asthma found that proton pump inhibitors did not improve asthma control, despite previous beliefs about their role. In fact, half the patients showed excess acid in their gastrointestinal tract, but heartburn medications had no effect.

Drug shows activity in men with advanced prostate cancer

Researchers found that two novel compounds, RD162 and MDV3100, inhibit the androgen receptor function in CRPC cells, leading to declining PSA levels in men. The study's findings also showed that these agents showed activity in CRPC cells in culture and in mice.

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.

Community provides essential support to military families

A new article in Family Relations explores the concept of community capacity building to provide essential support to military families. The framework outlines a collaborative approach to connecting isolated families with support services, enhancing family strengths and preventing stressful experiences from becoming crises.

Ancient diatoms lead to new technology for solar energy

Researchers at Oregon State University have developed a new way to create dye-sensitized solar cells using ancient diatoms, which can potentially triple the electrical output. The technology uses environmentally benign materials and works well in lower light conditions, offering advances in manufacturing simplicity and efficiency.

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.

New medications show promise in treating drug-resistant prostate cancer

Researchers have developed two new drugs, RD162 and MDV3100, that prevent male hormones from stimulating growth of prostate cancer cells. These compounds appear to work well even in prostate cells with heightened sensitivity to hormones, which makes them effective against drug-resistant prostate cancer.

Multifocal lung cancers appear to originate from single cancer clone

A retrospective analysis found that multiple lung tumors in patients often arise from a single cancer cell, suggesting multifocal lung cancers should be classified as advanced-stage cancers. The study analyzed 70 tumor samples and concluded that 77% of patients had multiple tumors originating from a single clone.

Reserves found to be 'effective tool' for reducing fires in Brazilian rainforests

A new study by Duke University researchers found that rainforest reserves provide an effective buffer against fires in the Brazilian Amazon. Despite the presence of roads and settlements, reserves still experience fewer fires than surrounding areas. The study suggests that even inhabited reserves can be effective tools for reducing fires.

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.

Gates charity backs bid to cut 2 million pneumonia death toll

Researchers at University of Edinburgh partner with Bill and Melinda Gates Foundation to develop low-cost strategies to combat childhood pneumonia. The three-year project aims to predict effective treatment solutions and prioritize investments that save most lives.

Celestron NexStar 8SE Computerized Telescope

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

Is love at first sight real? Geneticists offer tantalizing clues

Research published in Genetics reveals genetic priming in females, making them more likely to choose certain males over others, influencing mating outcomes and future reproductive behaviors. The study's findings suggest that genetic compatibility is key to understanding love at first sight.

Acupuncture 'probably ineffective' in treatment of hot flushes

A systematic review of 106 studies found that acupuncture is not effective in reducing the frequency and severity of hot flushes during menopause. While one study suggested favorable effects of acupuncture on symptom severity, the overall evidence does not support its use as a treatment option.

New drug shows promising results for psoriatic arthritis

A new phase III trial found that golimumab significantly improved active psoriatic arthritis and associated skin and nail psoriasis. The study also showed improved physical function, health-related quality of life, and enthesitis symptoms.

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.

Growth factor TGF-B helps maintain health of retinal blood vessels

Scientists at Schepens Eye Research Institute found that TGF-β helps maintain the health of blood vessels in the retina. The study's results suggest that blocking TGF-β can cause retinal dysfunction and lead to diseases like diabetic retinopathy and macular degeneration.

Scientists discover pentagonal ice

Researchers discovered a five-sided ice chain structure, building from pentagon-shaped rings, which challenges the commonly seen hexagonal structures of ice formations. This finding could lead to new materials for seeding clouds and causing rain, improving weather modification techniques.

Also in the April 7 JNCI

A large cohort study found that long-term survivors of hereditary retinoblastoma are at a significantly increased risk of death due to subsequent cancers. Hereditary retinoblastoma survivors had a 35-fold higher mortality rate compared to the general population.

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.

Waist size found to be predictor of heart failure in both men and women

A new study published in Circulation: Heart Failure found that a larger waist circumference is associated with an increased risk of heart failure in both men and women. The research examined two Swedish population-based studies and found that excess body weight was linked to higher rates of heart failure, regardless of BMI.

Altered gene can increase risk of schizophrenia

A specific DNA change has been identified as a potential mechanism for developing schizophrenia. The research found that the altered gene increases expression in cells grown in culture, echoing findings in postmortem brain samples from individuals with schizophrenia.

Fat-derived inflammatory factor may explain diseases that come with obesity

A new study published in Cell Metabolism suggests that a fat-derived inflammatory factor, CXCL5, plays a key role in insulin resistance and obesity-related diseases. The researchers found that CXCL5 is produced by fat tissue and is linked to the development of various conditions, including pulmonary disease, lung cancer, and arthritis.

NIH Clinical and Translational Science Consortium grows to 39 members

The NIH Clinical and Translational Science Consortium has grown to 39 members, including the University of Cincinnati, which will receive $22.7 million over five years. The new Center for Clinical and Translational Science and Training will focus on pediatric research and increase outreach into local communities.

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.

Joslin study pinpoints role of insulin on glucagon levels

Researchers at Joslin Diabetes Center have identified a crucial link between insulin and glucagon levels. The study suggests that targeting insulin receptors or proteins in alpha cells could lead to the development of a new treatment for diabetes, particularly for type 1 patients who are at risk of hypoglycemia.