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Science News Archive May 2009


Page 13 of 22

Brain's organization switches as children become adults

A new study reveals that child brains are differently organized than adult brains, but still capable of performing complex cognitive tasks. Researchers found that young brains have localized networks based on physical proximity, which transition to long-distance networks centered on functionality as children mature.

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.

Triple drug combination is promising option to treat metastatic HER2+ breast cancer

Researchers at the Mayo Clinic have found a triple drug combination to be an effective and tolerable option for treating metastatic HER2+ breast cancer. The regimen, which combines capecitabine, vinorelbine, and trastuzumab, has shown promising results in reducing tumor size and improving survival rates compared to traditional treatments.

Exhibition showcases the 'art of science'

The exhibition features 48 works chosen from over 200 submissions, highlighting the aesthetic value of scientific images. The online gallery allows public voting for the 'people's choice' award, with cash prizes awarded to top three entrants.

DNA gripped in nanopores

A team of researchers used nanopores to investigate the movement of DNA in a gel, finding that larger pores reduce resistance and calculations based solely on electrostatic forces did not accurately predict results. The study's unique combination of techniques offers promising developments in single molecule techniques.

Apple iPhone 17 Pro

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

Educational initiatives improve quality of care delivery

A study by Fox Chase Cancer Center found that targeted educational initiatives improved the number of lymph nodes retrieved during colorectal cancer surgery. The interventions increased the percentage of operations with at least 12 nodes removed over four years, leading to more accurate staging and improved survival for patients.

MDC researchers unravel key mechanism in pathogenesis of osteoporosis

MDC researchers have elucidated a molecular mechanism that regulates the equilibrium between bone formation and bone resorption. They found that two different forms of a gene switch – LAP and LIP – determine this process. The study suggests that an imbalance in the ratio between these two isoforms may play a role in osteoporosis.

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.

Can happiness be inherited?

A new article published in Elsevier's journal Bioscience Hypotheses proposes that the chemicals generated by our brain during different moods can impact 'germ cells,' altering gene expression and affecting child development. This could have a lasting impact on a child's emotional state, including their happiness.

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.

Threat from West Antarctica less than previously believed

Scientists estimate that the collapse of West Antarctica's ice sheet would raise global sea levels by 3.3 meters, not five or six as previously thought. The region's unique below-sea level topography makes it more prone to instability.

Controllable double quantum dots and Klein tunneling in nanotubes

Scientists successfully capture a single electron in a highly tunable carbon nanotube double quantum dot using ultraclean nanotubes. They also discovered a new type of tunneling analogous to Klein paradox, allowing electrons to pass through obstacles without sufficient energy.

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.

From a Queen song to a better music search engine

A new music search engine developed by UC San Diego engineers uses artificial intelligence to analyze songs and provide accurate song suggestions based on user input. The system uses machine learning algorithms to identify patterns in music genres, emotions, and instruments, enabling users to find specific songs through descriptive words.

Ginger quells cancer patients' nausea from chemotherapy

A Phase II/III study found that ginger supplements, taken three days prior to and after chemotherapy, reduced nausea levels in cancer patients by 40%. The study included 644 participants who received at least three chemotherapy treatments and showed significant anti-vomiting effects.

Nursing assistant workforce facing financial, health challenges

A pioneering study found that over half of certified nursing assistants (CNAs) incurred work-related injuries, while nearly half received means-tested public assistance. The survey also revealed a significant disparity in wages, with experienced CNAs earning only $2 more per hour than new hires.

Brains or beauty: New study confirms having both leads to higher pay

A new study by Timothy Judge and colleagues found that physical attractiveness has a significant impact on income, with good-looking individuals making more money, being better educated, and more confident. Intelligence still plays a stronger role in determining income, but having both traits can lead to higher pay.

Celestron NexStar 8SE Computerized Telescope

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

Vitamin D insufficiency linked to bacterial vaginosis in pregnant women

A study of 469 pregnant women found that vitamin D insufficiency was associated with an increased risk of bacterial vaginosis (BV). BV is more common in black women due to lower vitamin D levels. The study suggests that poor vitamin D status may contribute to the racial disparity in BV prevalence.

Engaged employees are good, but don't count on commitment

Researchers found that engaged workers are not necessarily committed to their organization. Engaged employees require resources to perform well and may leave if they don't receive necessary support. Managers must balance pressure from bosses with motivating and keeping employees engaged.

Would NHS staff go to work during a flu pandemic?

A recent survey of healthcare workers in the UK reveals that up to 85% may stay off work if an influenza pandemic occurs. Factors such as family and caring responsibilities, as well as concerns about training and work environment, significantly impact their willingness to work during a pandemic.

Study finds surprising new pathway for North Atlantic circulation

Researchers at Woods Hole Oceanographic Institution and Duke University have discovered a new pathway for cold water to flow southward in the North Atlantic. The study used field observations and computer models to find that much of the Labrador Sea Water follows an interior path, not along the traditional deep western boundary current.

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.

How an enzyme tells stem cells which way to divide

Researchers at the University of Oregon have identified a key mechanism by which an enzyme (aPKC) directs the fate of daughter cells in stem cell divisions. This simpler process, rather than a long cascade of events, helps determine the fates of subsequent cells.

Eye association inducts inaugural class of Fellows

Dr. Andrew Tsin, a UTSA biologist, has been inducted into the Association for Research in Vision and Ophthalmology's inaugural class of fellows. He is recognized for his significant contributions to eye research, including studies on pigment regeneration and vascular endothelial growth factor secretion.

Ginseng -- nature's anti-inflammatory?

Researchers identified seven ginsenosides with immune-suppressive effects and selectively inhibited expression of the inflammatory gene CXCL-10. The study uses state-of-the-art technologies to define bioactivity and opens up a methodology for studying medicinal herbs.

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.

UH optometrists make custom contact lenses for long-underserved patients

Researchers at the University of Houston's College of Optometry have developed custom contact lenses to address the needs of patients with eye diseases that affect focus. The lenses correct higher-order aberrations, providing improved vision and quality of life. Early-stage patients have shown dramatic results, and the team aims to mak...

Optimal trip and load planning

The Efficient Load project aims to harmonize capacity utilization and trip planning in a single step, significantly improving truck use and reducing energy costs. The new system is expected to reduce ton-kilometers by 15-20% and integrate seamlessly with existing software.

Meta Quest 3 512GB

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

Golden rice an effective source of vitamin A

Researchers at Baylor College of Medicine and Tufts University found that four units of beta-carotene from Golden Rice convert to one unit of vitamin A in humans. This could help address vitamin A deficiency, a common problem worldwide where rice is a staple food, leading to vision problems or blindness.

An amnesic patient with an extraordinary distorted memory

A 68-year-old man with Korsakoff's syndrome exhibited an extraordinary ability to recall false memories, surpassing the limits of time and details. This phenomenon, named 'Confabulatory Hyperamnesia', is characterized by detailed false memories that are often plausible and coherent.

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.

New research confirms milestone study on blood pressure meds

A new study confirms the benefits of diuretic drugs in reducing the risk of heart failure and stroke in high blood pressure patients. The research, which analyzed data from multiple clinical trials, found that diuretics work as well or better than other medications in preventing major complications of hypertension.

No longer afraid to be a bridesmaid or travel with the boss

A new study finds that hypnotherapy can significantly improve the quality of life for ulcerative colitis patients, with 80% reporting increased control over their disease and a 76% increase in overall well-being. The treatment also reduces flare-ups, with only two of 12 subjects experiencing relapses after one year.

NASA's James Webb Space Telescope unfolds by animation

The James Webb Space Telescope, a massive infrared space telescope, will unfold in space once it achieves orbit. The telescope, roughly 65 feet from end to end, has a sunshield the size of a tennis court and an 18-segment mirror that looks like a honeycomb.

Vaccine slows progression of skeletal muscle disorder

A potential vaccine for Alzheimer's disease has been shown to slow the weakening of muscles associated with inclusion body myositis (IBM) in mice. The study found reduced levels of beta amyloid and oligomeric beta amyloid, a more toxic form, in the skeletal muscle tissue.

Cold water ocean circulation doesn't work as expected

Researchers used sophisticated floats to show that much of the cold Labrador seawater is diverted eastward by the time it reaches Massachusetts, rather than following a continuous loop with warm surface waters. This finding may affect global warming forecasters and climate signal measurement in the deep ocean.

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.

UC design innovation: New hope for the hated hospital gown

Researchers from the University of Cincinnati, in partnership with Hill-Rom Company, Inc., have developed a "Progressive Recovery Collection" of hospital gowns that cater to different patient needs. The collection features three options for patients who are seriously ill, somewhat mobile, and fully ambulatory, respectively.

Climate change is the biggest global health threat of the 21st century

The Lancet report warns that climate change will exacerbate traditional diseases like malaria and dengue fever, as well as heat-related mortality. The authors propose three action points: emphasizing the health threat, focusing on health systems, and developing win-win solutions for mitigation and adaptation.

New tool can help predict risk of Alzheimer's in elderly

A new risk index has been developed to predict the likelihood of developing Alzheimer's disease in people aged 65 and older. The 15-point scale identifies individuals at high risk, who are more likely to develop dementia within six years, and highlights surprising factors such as being underweight or having had coronary bypass surgery.

APS issues new guideline for low-back pain interventions, surgery

The American Pain Society has issued a new clinical practice guideline for low back pain, recommending noninvasive treatments over interventional procedures and shared decision making. The guideline provides eight recommendations to help determine the best way to treat patients with persistent back pain.

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.

University of Liverpool awarded $3.3 million for genomics hub

The University of Liverpool has been awarded £2.2 million to establish a high-throughput genomic analysis hub in the North of England, consolidating expertise from four partner universities to accelerate genetics research and personalized medicine. The hub will expand access to cutting-edge sequencing technology for researchers and cli...

MIT's implantable device offers continuous cancer monitoring

Researchers at MIT have created an implantable device that can track tumor growth and respond to treatment in real-time. The device uses magnetic nanoparticles to detect target molecules, providing valuable insights into tumor behavior and metastasis.

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.

Giving early physical and occupational therapy to critically ill patients

Critically ill patients who received early physical and occupational therapy had better functional outcomes, shorter ICU delirium duration, and more ventilator-free days compared to standard care. This study highlights the benefits of whole-body rehabilitation in improving survival and recovery for critically ill patients.

University of Arizona research on scorpion antivenom published in NEJM

A study published in NEJM reports that administering scorpion-specific antivenom to children with severe nerve poisoning from scorpion stings results in rapid symptom resolution, often within two hours. The antivenom was effective in treating all 15 children involved in the study, saving lives and reducing treatment costs.