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Science News Archive March 2005


Page 13 of 15

Scientists work to detect mysterious neutrinos

Researchers are using two giant detectors in Minnesota and Illinois to explore the properties of neutrinos, particularly their ability to change flavors. The goal is to understand how particles acquire mass and its role in the formation of the universe and dark matter.

New drugs for bad bugs

University of Florida researchers have developed a patent-pending method to improve antibiotic development, combining testing of various drug concentrations at the site of infection with laboratory analyses and mathematical models. This approach aims to reduce the lengthy and expensive trial-and-error process that can take years.

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.

Study finds Seroquel effective and well tolerated

A study found that Seroquel significantly reduced symptoms of agitation in elderly patients with Alzheimer's disease, improving their quality of life. The treatment was well-tolerated, with no decline in cognitive function observed.

Mood elevating hormone may trigger depression and heart problems

African-American study participants with a genetic variant for the mood-elevating hormone norepinephrine are at higher risk of depression, anxiety, and hypertension. Elevated norepinephrine levels, heart rate, and blood pressure were observed in those with the genetic variant.

Apple iPhone 17 Pro

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

Jefferson Lab medical imager spots breast cancer

The PEM unit detects breast cancer by pinpointing tumors with increased glucose metabolism, outperforming mammography in dense breast tissue. The device uses fluorodeoxyglucose to identify cancerous lesions, with 18 of 20 detected abnormalities proven to be cancerous.

Galaxies in motion

An international team of astronomers has measured the motion of an entire galaxy in the sky using radio telescopes. The measurements show that the galaxy moves at a speed of 190 km/s relative to our Milky Way towards the Andromeda galaxy, and provide insights into the history and future evolution of the Milky Way.

Research may provide ways to inhibit cancer's ability to resist treatments

Researchers have crystallized polynucleotide kinase (PNK), a key enzyme involved in DNA repair, opening up possibilities for developing drugs that inhibit cancer's ability to repair itself. The discovery builds on existing work and provides new targets for improving treatment effectiveness and preventing cancer growth.

Scientists link gene to dyslexia

A gene called KIAA0319 has been identified as a major contributor to susceptibility to dyslexia. The discovery offers hope for the development of treatments to help children with the disorder.

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.

Surf's up in the solar nebula

Scientists have long puzzled over the origin of chondrules, glassy particles found in meteorites that formed in the solar nebula. New calculations suggest that spiral arms in the disk surrounding Jupiter may have generated shock waves that melted dust clumps to form these particles.

Orthodontists must brace against back pain

A new study published in Clinical Biomechanics reveals that orthodontists are at risk of musculoskeletal disorders due to prolonged sitting and repetitive tasks, with males bearing heavier loads than females. The research highlights the need for better work layout and equipment design to mitigate this risk.

Inflammation elevates risk of cardiac death in rheumatoid arthritis patients

Rheumatoid arthritis patients with swelling in large joints, vasculitis, lung disease, or high ESR levels have a significantly increased risk of dying from heart conditions. The study suggests that systemic inflammation promotes this risk and hypothesizes that closely monitoring and controlling inflammation may decrease the risk.

Fluke 87V Industrial Digital Multimeter

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

CAD detects breast cancers that are most challenging to detect

A study found that Computer-Aided Detection (CAD) systems can effectively detect small and subtle breast cancers, with a sensitivity of up to 92% for lesions of 5 mm or less. CAD also helps reduce missed cancers and positively impacts breast cancer prognosis without increasing patient recall rates.

MRI proves useful in assessment of suspected breast cancer patients

A study by American College of Radiology found MRI to be useful in assessing suspected breast cancer patients, detecting additional cancers not visible on mammography or sonography. The use of computer-assisted diagnosis improved accuracy and led to recommended mastectomies for some patients.

New ways to ease liver disease

Research reveals that IL-6 activates a pathway in liver cells that triggers protection against hepatitis and immune-mediated liver damage. Two proteins, KC and SAA2, play a crucial role in this protective effect.

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.

Molecular thermometers on skin cells detect heat and camphor

Researchers at Scripps Research Institute have discovered TRPV3, a protein that detects warm temperatures through skin cells, not sensory neurons. The receptor is activated by both thermal heat and the compound camphor, leading to new insights into pain sensation and potential drug targets.

A shallow hip socket predicts osteoarthritis of the hip

A long-term study of 835 participants found moderate acetabular dysplasia to be a strong independent risk factor for hip OA. Women with acetabular dysplasia had a higher incidence and severity of hip OA, especially those with high-stress workloads and low BMI.

Hydrogen and methane provide raw energy for life at 'Lost City'

Scientists discover unique organisms living in alkaline fluids with high levels of methane and hydrogen, unlike those found in black-smoker vents. The Lost City vent field may provide insights into the origins of life on Earth and the possibility of life on other planets.

Medical technologies may hinder rather than help newborn survival

A study found that medical technologies in Brazil, such as increased antenatal visits and ultrasound scans, did not improve neonatal mortality rates, but rather led to an increase in pre-term births and low birthweight babies. This suggests that medical interventions may be offsetting the gains from improved maternal health.

Sunflower seed oil can protect low birth weight babies from infection

A study found that preterm babies who received sunflower seed oil had a significantly lower risk of infection compared to those who did not receive the treatment. The effect was most pronounced when treatment was started within 24 hours of birth, with a 56% reduction in bloodstream infections.

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.

Linking brain to mind in a common genetic disease

Researchers have identified abnormal brain tissue associated with cognitive impairments in children with chromosome 22q11.2 deletion syndrome. The study found structural abnormalities in the posterior parietal lobe, a critical area for visual-spatial and numerical processing.

School-based smoking prevention programs ineffective

A recent study by Indiana University researchers found that existing school-based smoking prevention programs have little impact on long-term smoking prevalence among youth. Only one program, Life Skills Program, showed a reduction in smokers at long-term follow-up.

Telemedicine revolution is 'disappearing' from the NHS

The UK NHS telemedicine initiative has failed to deliver promised benefits, with integration issues and inadequate patient consultation hindering its success. New portable telecare systems for monitoring chronic illnesses are being developed but face similar challenges.

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.

NASA satellite sees ocean plants increase, coasts greening

Phytoplankton amounts have increased globally by over 4% along coastal regions, while declines were observed in mid-ocean gyres. This shift may indicate changes in the biology of oceans, particularly in coast regions, and has implications for ocean ecosystems and climate change.

Study reveals frequent non-guideline treatment of late-life depression

A recent study by McGill University Health Centre researchers found that over 55% of Quebec seniors with late-life depression were given recommended first-line antidepressants, while nearly half received other medications. Benzodiazepines were also commonly prescribed, which may worsen depression in the elderly.

FSU anthropologist leads incredible journey through 'hobbit' brain

Researchers discovered a significant swelling of the frontal lobe and other features consistent with higher cognitive processes in the brain of Homo floresiensis, nicknamed the 'hobbit'. The study refutes skeptics' suppositions that the species was a pygmy or microcephalic.

Meta Quest 3 512GB

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

Yeast network prevents damage by oxygen radicals

Researchers identified genes in yeast that cooperate to prevent DNA mutations and genome rearrangements caused by oxygen radicals. This discovery may lead to new strategies for alleviating clinical symptoms of human diseases associated with genetic deficiencies of DNA damage responses, including potential cancer therapies.

Celestron NexStar 8SE Computerized Telescope

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

Important discovery about second most fatal cancer

A new syndrome of colorectal cancer has been identified, characterized by frequent mutations in the BRAF oncogene and DNA methylation. This inherited form of cancer often develops in previously harmless polyps and can occur in young individuals, emphasizing the importance of early detection and prevention.

JCI table of contents April 1, 2005

Researchers identify new therapeutic targets for immune-mediated liver diseases and explore the role of IL-6 in protecting liver cells. Osteopontin is also found to play a central role in amplifying rheumatoid arthritis, suggesting potential new treatments for this inflammatory condition.

Leading journalists named for new Templeton-Cambridge fellowships

The Templeton-Cambridge Journalism Fellowship program brings together renowned journalists and scholars to explore the intersection of science and religion. Fellows will conduct in-depth research and produce publishable pieces on topics such as origins of life, anthropic principle, and spirituality and health.

New slant on vision research: Neurons sensitive to viewing angle

A new study reveals that separate populations of neurons respond to narrow ranges of orientations, enabling the brain to recognize objects viewed from different angles. The research found that adaptation effects occur when subjects are presented with adapting images and then tested with identical images at varying orientations.

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.

Innovation prize finalists announced in 'Science of Better'

The Franz Edelman Award, presented by INFORMS, recognizes outstanding implemented operations research that has had a significant positive impact on client organizations. The 2005 finalists will compete for a $10,000 prize in Palm Springs, showcasing innovations such as advanced pricing techniques and online product procurement auctions.

Quantum computers may be easier to build than predicted

A new quantum computer architecture, proposed by NIST scientist Emanuel Knill, overcomes the fragility of qubits by using a pyramid-style hierarchy and teleportation to continuously double-check accuracy. This approach enables reliable computing even if individual logic operations make errors up to 3 percent of the time.

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.

Astronomers detect powerful bursting radio source

Researchers detected five powerful bursts from the Galactic center using the VLA radio telescope, with each burst lasting about 10 minutes and occurring every 77 minutes. The source's coherent emission properties suggest it could be an unknown mode of activity or a new class of objects.

MGH study identifies potential Alzheimer's risk gene

Researchers at MGH have identified a potential Alzheimer's risk gene variant that moderately raises the risk of developing the disease. The study found that specific changes in the ubiquilin-1 gene sequence occurred more frequently in individuals with Alzheimer's than in their unaffected siblings.

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.

Potential treatment for Fragile X Syndrome demonstrated in fruit fly model

Researchers have developed a Drosophila fly model for Fragile X syndrome, demonstrating physical and behavioral characteristics similar to those of human patients. Drug treatments blocking mGluR-receptor activity restored memory-dependent courtship behavior in mutant flies and reversed neuronal structural defects.

Future diabetes drugs may target new protein interaction

Researchers discovered that sirtuin1 and PGC1-alpha proteins interact to trigger glucose production in the liver. Targeting this interaction could help control sugar production in people with diabetes, potentially leading to new treatment options.

Meditation may reduce heart disease risk

Researchers found that black adolescents who practiced transcendental meditation for eight months experienced a significant improvement in the ability of their blood vessels to dilate, reducing their risk of cardiovascular disease. This finding suggests that meditation may be an effective way to prevent and treat heart disease.

Job satisfaction? Not much for Britain's hard slog 'robot' workers

A study by Professor Francis Green found no evidence to suggest that successive generations of workers have higher expectations from their jobs, leading to disappointment. The investigation suggests a general trend of falling well-being among British and German workers, but fails to explain the decline in Germany.

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.

Ten-minute emergency room intervention for problem drinkers

A two-hour brief negotiation intervention was developed and taught to 58 emergency room physicians, with over 90% passing the proficiency exam. The intervention helps hazardous and harmful drinkers by raising awareness of their drinking levels, enhancing motivation to reduce drinking, and negotiating a plan of action.

What the eye doesn't see

Research from University of Bristol provides strongest evidence that disruptive patterns protect insects from birds, a predator that shaped evolution of protective coloration. By varying colors, size, and location of patterns on artificial moths, the team identified effective combinations that mimicked tree characteristics.

Kestrel 3000 Pocket Weather Meter

Kestrel 3000 Pocket Weather Meter measures wind, temperature, and humidity in real time for site assessments, aviation checks, and safety briefings.