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Science News Archive April 2009


Page 19 of 24

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

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.

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.

Fluke 87V Industrial Digital Multimeter

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

MSU researchers help lead international carbon assessment project

MSU researchers are leading an international project to develop systems to measure, monitor, and manage carbon in landscapes worldwide. The goal is to help growers around the world better protect their land, improve productivity, and fight global climate change by providing a tool to assess their carbon and climate impact.

Intervention reduces children's viewing of violent TV

A study published in the Journal of Applied Developmental Psychology found a classroom-based intervention reduced violent TV viewing among first- through fourth-grade children by 18%. The intervention, called The REViEW Project Curriculum, also decreased students' identification with violent superheroes.

Wild chimpanzees exchange meat for sex

Researchers found that females copulate more frequently with males who share meat with them, compared to those who never share. This suggests that sharing meat with females improves males' mating success and may be a long-term strategy for securing mates.

Gene therapy appears safe to regenerate gum tissue

Researchers at the University of Michigan have developed a gene therapy approach that safely regenerates gum tissue. The method uses a localized application of adenovirus to deliver genes directly to the affected area, reducing the risk of systemic reactions.

Apple iPad Pro 11-inch (M4)

Apple iPad Pro 11-inch (M4) runs demanding GIS, imaging, and annotation workflows on the go for surveys, briefings, and lab notebooks.

Has HIV become more virulent?

A recent study found that HIV-positive patients are entering care with lower initial CD4 cell counts and often require antiretroviral therapy soon after diagnosis. The trend suggests the virus has become more virulent, with a significant increase in patients requiring treatment before reaching the threshold of 350 CD4 cells/mm³.

New, simple method identifies preterm infants at risk of eye disease

A new study from the University of Gothenburg suggests that tracking a preterm infant's weekly weight gain can identify those at risk of developing eye disease ROP. The simple method could save money and allow for earlier detection, reducing the need for costly ophthalmological exams.

Climate change to spur rapid shifts in wildfire hotspots

A new study reveals that climate change will bring about major shifts in worldwide fire patterns, with some regions experiencing large increases in fire activity and others decreasing. The research uses thermal-infrared sensor data to identify hotspots of fire invasion forming in parts of the western US and the Tibetan plateau.

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.

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.

From three to four: A quantum leap in few-body physics

Researchers at the University of Innsbruck experimentally prove the existence of four-body loss resonances closely tied to Efimov trimer states, providing strong evidence for these new universal states. This achievement marks an important step towards simplifying laws for complex interactions in few-body physics.

Digital album puts focus on kids' health

A new tool, Baby Steps, combines photo and video recording with medical record-keeping to track children's developmental milestones. This system led to a three-fold increase in parents recording medically relevant information.

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.

Better living through chemistry

Scientists discovered dynamic microbial communities in deep-sea mud volcanoes and brine pools with harsh conditions, supporting life processes on early Earth, Mars, and moons like Jupiter's Europa. These findings provide new insights into microbial adaptation and the potential for life beyond Earth.

A woman's nose knows body odor

Women outperform men in detecting body odors, particularly those from the opposite sex. The study suggests that human sweat conveys information of particular importance to females, explaining why it is challenging to block women's perception of sweat odors.

Owls' dawn and dusk concerts promote visual communication

Research found that eagle owls utilize vocal displays during dawn and dusk to convey visual signals, with a white throat badge providing better contrast in low light conditions. This challenges the assumption that diurnal species are the primary users of visual signalling.

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.