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Science News Archive March 2011


Page 14 of 28

Plasticity of plants helps them adapt to climate change

The study highlights plants' ability to adapt to changing environments without requiring evolutionary changes, enabling them to survive in diverse ecosystems. The researchers suggest that species from more heterogeneous environments exhibit greater plasticity, which can aid in projecting plant ranges under climate change scenarios.

Clinical trial for dry mouth funded by international oral care award

A clinical trial is underway to evaluate the effectiveness of an all-natural lozenge containing green tea polyphenols and xylitol in treating dry mouth. The study aims to improve salivary gland function, reduce inflammation, and promote saliva production in patients with this condition.

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.

Gene therapy reverses symptoms of Parkinson's disease

A gene therapy called NLX-P101 significantly reduces movement impairment in Parkinson's patients, with half achieving dramatic symptom improvements. The treatment introduces a gene to normalize chemical signaling, correcting dysfunction in brain circuitry responsible for coordinating movement.

Fragile X researcher honored by March of Dimes

Dr. Stephen T. Warren, a world-renowned fragile X syndrome researcher, received the 2011 Lifetime Achievement Award in Genetics from the March of Dimes. His groundbreaking work identified the genetic abnormality responsible for this disorder and led to significant contributions to clinical settings.

Physicists move closer to efficient single-photon sources

Researchers have made significant progress in creating efficient single-photon sources using fluorescent 'defect centers' in diamond. These structures can be used to implement provably secure quantum cryptography schemes and potentially build solid-state quantum computers. The team's innovations include the development of nanofabricati...

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.

Whitehead scientist helps revisit 'Hallmarks of Cancer'

The authors refine the original six hallmarks using information from transgenic animals and biochemical assays, adding two new categories: enabling characteristics and emerging hallmarks. This updated review provides a solid basis for cancer research and identifies therapeutic targets.

HIV research included in journal

A recent publication in the American Journal of Reproductive Immunology highlights the need to establish guidelines for studying HIV's entry point: the female genital tract. Research attention has shifted from blood to this area, but proper sampling methods and assays are crucial for accurate results.

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.

Fortuitous timing for NASA's new space weather app

The new Space Weather App allows users to access real-time images and data on solar events, including coronal mass ejections and X-ray outbursts. Users can customize the app to display information of interest, increasing public awareness of space weather.

'Pruned' microchips are faster, smaller, more energy-efficient

Researchers at Rice University have developed a new pruning technique to trim away unnecessary circuits in computer chips, resulting in faster and more energy-efficient devices. The method uses probabilistic computing to boost performance while reducing power demands.

Apple iPhone 17 Pro

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

Does your name dictate your life choices?

A study analyzed records of political donations to find that workers are more likely to choose a workplace with a matching first three letters, not just the first letter. This suggests that implicit egotism may play a smaller role in life choices than previously thought.

A 'check engine' light for the human body?

Scientists and regulators are working together to approve new biosensors that monitor disease markers and alert patients to potential health problems. The development of these biosensors has the potential to revolutionize healthcare by detecting diseases at an early stage.

Hopkins researchers use light to move molecules

Researchers at Johns Hopkins Medicine have developed a tool that uses light to move and interact with individual molecules in living cells. This allows for greater control over cellular processes, enabling scientists to study the role of specific proteins and their interactions in cell behavior.

Meta Quest 3 512GB

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

Viscous cycle: Quartz is key to plate tectonics

Scientists have found that quartz plays a crucial role in initiating the viscous cycle of plate tectonics, which drives the formation of mountains and earthquakes. The research uses seismic data to measure the effects of temperature, water, and quartz on rock flow properties.

New tool debuts for measuring indoor air pollutants

Researchers at NIST and Virginia Tech developed a new reference material for volatile organic compounds (VOCs), which showed more accurate measurement results than previous methods. The tool aims to reduce inter-laboratory variability in VOC emissions testing, leading to improved indoor air quality and occupant health.

New therapy found for rare lung disorder

Researchers at University of Cincinnati have found that sirolimus stabilizes lung function in women with lymphangioleiomyomatosis (LAM), a progressive and cystic lung disease. The Multicenter International LAM Efficacy of Sirolimus trial showed improved measures of functional performance, quality of life, and reduced VEGF-D levels.

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.

Tests on century-old equipment show how far X-rays have come

Researchers tested first-generation x-ray equipment from 1896 and found significantly higher radiation doses and longer exposure times compared to modern systems. The setup produced surprisingly good images despite image blurring, highlighting the significant health risks faced by early x-ray pioneers.

Online messaging delivers follow-up care for depression

A randomized trial of 208 Group Health patients found that online care management significantly reduced symptoms of depression and improved medication adherence. The study suggests that online messaging can be a convenient and affordable alternative to traditional phone calls for follow-up care.

New articles examine safety of airport security scanners

Recent studies examine the safety of airport security scanners, with experts weighing in on the risks and benefits of using backscatter X-rays. Dr. David Brenner and Dr. David Schauer argue that while individual risks are low, a large number of people being exposed could lead to increased cancer risk over time.

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.

Dine or dash? Genes help decide when to look for new food

Researchers found that natural variations in several genes affect how quickly worms leave a lawn of bacteria. The tyra-3 gene is involved, producing a receptor activated by adrenaline-like hormones derived from the amino acid tyrosine.

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.

Youth with IBD are less fit than their peers: McMaster study

Children and adolescents with inflammatory bowel disease (IBD) are less fit than their peers, with aerobic fitness levels 25% lower and muscle function 10% lower. The study suggests that active living can help reduce the risk of future health problems in IBD patients.

Purdue startup hopes to change the way we test cancer drugs

A Purdue University scientist has developed a nanopolymer that can detect the effectiveness of cancer drugs against biochemical processes leading to cancer cell formation. This innovation could replace radioisotopes and antibodies in screening kinase inhibitors, making it a universal method for pharmaceuticals.

Fluke 87V Industrial Digital Multimeter

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

3-D printing method advances electrically small antenna design

Researchers developed a new 3D printing method that enables the creation of electrically small antennas with improved performance metrics. The technique uses metallic nanoparticle inks and can be applied to various surfaces, including hemispherical substrates.

Alternatives eyed for methyl bromide

Researchers are examining a cropping system using molasses to stimulate microbial activity, which could replace the fumigant methyl bromide. The study also explores recently developed fumigants dimethyl disulfide and methyl iodide.

Single gene defect causes brain tumor

A single gene defect in the BRAF gene has been linked to pilocytic astrocytoma, a common brain tumor in children. Treatment with kinase inhibitors has shown promise in slowing down growth, paving the way for further research into targeted therapies.

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.

Equity, not just economic growth, needed for child health in India

New research reveals no link between economic growth and child undernutrition rates in India, highlighting the need for targeted health interventions. Experts emphasize that poor health is linked to inequality, requiring inclusive growth strategies to address social determinants of health.

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.

Outcome of nonsurgical hepatic decompression in Budd-Chiari

A study on nonsurgical hepatic decompression in Budd-Chiari syndrome shows satisfactory outcomes with low morbidity and mortality rates. The research suggests strict adherence to anticoagulation and early management of shunt dysfunction are crucial for clinical, laboratory, and radiological improvement.

The development of better biotech enzymes

A research team led by Professor Kam-bo Wong engineered thermophilic enzymes to increase their activity at high temperatures without compromising stability. The findings provide insights into the design of biotechnologically important enzymes.

Celestron NexStar 8SE Computerized Telescope

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

20th anniversary of first laparoscopic nephrectomy

The 20th anniversary of the first laparoscopic nephrectomy celebrates a groundbreaking achievement in surgical technique. Dr. Ralph Clayman's pioneering work paved the way for modern endourology and minimally invasive procedures, revolutionizing urologic surgery.

Golf courses that reuse water irrigate too much

Researchers found that golf courses in the Canary Islands receive 83% more water than needed, reducing soil fertility and increasing risk of contaminating the aquifer. The study calls for adjusting watering amounts to plant needs and using internationally-accepted evapotranspiration equations.

Prozac reorganizes brain plasticity

Research on Prozac reveals it can reorganize brain plasticity by altering neuronal cell activity and connections in the hippocampus. This changes may contribute to anxiety symptoms experienced by some patients.

Northern peatlands a misunderstood player in climate change

Research reveals northern peatlands do not fully account for the initial 10,000-year-old methane increase, with tropical wetlands instead being a likely driver. Northern peatlands still play a crucial carbon-capture role but also emit significant amounts of methane.

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.

Nursing home boom in China has little government involvement

A recent study found that China's nursing home industry is experiencing rapid growth, driven by the country's aging population. However, the industry lacks adequate government oversight and regulation, leading to concerns about substandard care and poor staffing levels.