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Science News Archive 2007


Page 191 of 203

Novel Ames Lab composite may replace depleted uranium

Researchers at Ames Laboratory have developed a novel composite material that combines tungsten and metallic glass to create an armor-piercing projectile. The nanostructured material exhibits self-sharpening behavior, making it a potential replacement for depleted uranium in kinetic energy penetrators.

Mechanism of hallucinogens' effects discovered

Researchers identify neural and signaling mechanisms responsible for hallucinogen effects by studying the activation of 5-HT2A receptors in the brain. The findings may advance understanding of neuropsychiatric disorders treated with existing pharmacological treatments.

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.

Assessing the cost of juvenile arthritis

A study found that children with juvenile idiopathic arthritis had significant direct medical costs, including $1,686 per year. The study also highlighted the importance of long-term medical and social costs in resource allocation.

MIT develops nanoparticles to battle cancer

Researchers at MIT have created nanoparticles that mimic blood platelets to target cancer tumors. These particles can be used for non-invasive imaging of fast-growing cancer hot spots in tumors, as well as delivering chemotherapy directly into the tumor.

Breakthrough in nanodevice synthesis revolutionizes biological sensors

Researchers at Yale University have developed a novel approach to synthesizing nanowires, allowing them to integrate with microelectronic systems and act as highly sensitive biomolecule detectors. This breakthrough has profound implications for the application of nanoscience technologies and future diagnostics.

Decoy pill saves brain cells

Scientists have developed a potential neuroprotective treatment using a decoy peptide that tricks the toxic enzyme calpain, preventing over-excited receptors in the brain from causing cell death. The technique may lead to new drugs for stroke and Alzheimer's patients.

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.

Endangered shortnose sturgeon saved in Hudson River

The US shortnose sturgeon population has increased by over 400 percent in the Hudson River since the 1970s, marking a rare recovery of an endangered species. The study suggests that protection and conservation efforts can lead to successful recoveries, even in areas with high human activity.

Exercise has no effect on risk of knee osteoarthritis

A recent study published in Arthritis Care & Research found that exercise neither protects against nor increases the risk of knee OA in middle-aged and older adults. The study, which analyzed data from over 1,200 subjects, suggests that physical activity can be done safely without concerns about developing OA.

Lavender and tea tree oils may cause breast growth in boys

Researchers found an association between the use of products containing lavender oil and/or tea tree oil and prepubertal gynecomastia in young males. Laboratory studies confirmed that these oils can mimic estrogen effects and inhibit androgen effects, leading to breast tissue growth.

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.

The problem with treating spondylarthritis with anti-TNF strategies

Researchers found that etanercept, a TNF inhibitor, had no impact on new cartilage or bone formation in mice with spontaneous arthritis. The study suggests that joint fusion and joint inflammation are separate processes, which should be considered as distinct therapeutic targets.

NASA probes the sources of the world's tiny pollutants

A recent study by NASA tracked aerosol sources and their impact on climate, finding that black carbon from Southeast Asian residential sources contributes significantly to Arctic warming. The researchers also discovered that biomass-burning aerosols produce cooling effects in the atmosphere, which partially offset greenhouse gas emissi...

U-M, Harvard team propose way to make the most of health dollars

A team of University of Michigan and Harvard researchers suggests abandoning the one-size-fits-all approach to health insurance by tailoring plans to individuals' specific medical needs. This value-based insurance design (VBID) approach aims to encourage patients to use evidence-based treatments, reducing healthcare costs in the long run.

Apple iPhone 17 Pro

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

Low-pathogenic forms of bird flu do cause illness among birds

Researchers found that low-pathogenic avian influenza viruses can cause mild illness in migratory swans, slowing down their migration and feeding patterns. This discovery highlights the impact of these viruses on wild birds and could affect the rate of spread of avian influenza.

University Hospitals Case Medical Center researcher awarded

Melvin Berger, a University Hospitals researcher, received a $250,000 grant to study the effectiveness of an under-the-skin pump versus an intravenous drip for treating patients with neurological diseases. The goal is to reduce side effects and increase patient treatment options.

Too much expected of microfinancing

Research in Uganda found that microfinancing improved women's positions within families and communities, but not their independence. The benefit of microfinancing lies in strengthening self-esteem and enabling women to take more responsibility and have a higher status within marriages and the community.

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.

Liquid crystals stabilized

New columnar discotic liquid crystals stabilized by hydrogen bonds exhibit highly stable mesophases and ease of processing, making them suitable for applications such as solar cells. The research demonstrates a synergy between bonding interactions to achieve well-ordered aggregates.

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.

MIT: Cancer therapy based on missile detection outlined in new book

A breast cancer treatment based on MIT research is documented in a new book, including promising results from the latest clinical trials of the therapy. The technique uses microwaves to heat-and-kill-cells containing high amounts of water and ions, showing minimal side effects.

'Origami lens' slims high resolution cameras

Researchers at UC San Diego have created an 'origami lens' that folds the telephoto lens, enabling the creation of ultrathin, high-resolution miniature cameras. This technology addresses performance issues in cell phone cameras and may be used for unmanned surveillance aircraft, infrared night vision, and other applications.

James Webb Space Telescope's 'spine' passes health tests

The James Webb Space Telescope's backplane has passed health tests, withstanding freezing temperatures and operating accurately. The successful test ensures the telescope can handle its space trip and work in space, paving the way for future scientific discoveries.

Weight-loss supplement shows good and bad traits

Researchers studying mice and rats found that CLA supplementation led to rapid weight loss in mice but excessive liver fat accumulation, a common side effect of rapid weight loss. In contrast, rats on a CLA-supplemented diet showed decreased insulin resistance despite not losing weight.

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.

Morals do not conquer all in decision making

Previous studies suggested that protected values lead to quantity insensitivity, but new findings reveal a different story. Morally-motivated decision makers may actually be more sensitive to consequences when considering net benefits.

Molecular motors and brakes work together in cells

A study published in Cell reveals that microtubules rely on a balance between molecular motors and brakes to form stable structures. This cooperation enables the creation of microtubule arrays with defined lengths, which is crucial for basic cellular functions such as cell division and transport.

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.

Storage of greenhouse gasses in Siberian peat moor

West-Siberian peatlands have counteracted the greenhouse effect by storing more CO2 than releasing methane over the past 10,000 years. A new calculation method reveals non-drained peatlands will become crucial net storage areas for atmospheric greenhouse gases even under global warming.

Researchers: Few heart disease trials reporting sex-specific results

A study found that three-fourths of cardiovascular clinical trials published in leading medical journals did not provide sex-based analysis, highlighting the lack of data on women's heart health. Researchers urge more women to be included in trials and for journal editors to require sex-specific reporting.

Researchers probe health and safety impacts of nanotechnology

Scientists probe the effects of nanotechnology on living cells, organisms, and the environment. Researchers like Maria Palazuelos test aluminum nanoparticles' absorption by cells, while others investigate copper nanoparticles' toxicity in fish. The goal is to understand nanoparticle-cell interactions to inform regulatory decisions.

Media coverage of autism differs dramatically

A study by Stanford researchers found that while 41% of autism research deals with brain and behavior, only 11% of media coverage addresses these topics. Instead, 48% focus on environmental causes, such as the childhood MMR vaccine, highlighting a stark disconnect between scientific research and public perception.

Meta Quest 3 512GB

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

How listeners perceive verbs

Researchers found that listeners more quickly recognize verbs as genuine when they have a meaning related to the verb in the sentence. The activation of verbs follows the end of the main clause, whereas nouns remain active throughout the sentence.

Study by K-State professor shows romantic films not just for women

A study by Kansas State University professor Richard Harris found that men and women have similar preferences when it comes to romantic films. Men rated romantic movies a 4.8 on a 7-point scale, while women gave them a 6. The study suggests that movie studios should market romantic movies to both male and female audiences.

Chronic pain up almost 40 percent among US workers in past decade

Chronic pain has increased by 26% among US workers over the past decade, with most employees experiencing moderate to severe pain while still attending work. Employers are encouraged to invest in workplace wellness programs addressing chronic pain, as only 22% currently include such components.

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.

Scandinavian Journal of Economics pays tribute to the rise of political economics.

The Scandinavian Journal of Economics has published a special issue celebrating the rise of political economics, an interdisciplinary field that combines public choice, rational choice, and macroeconomics to study government policy. Key findings include models exploring the evolution of economic institutions, efficiency aspects of poli...

To trust or not to trust your friends

Research by Jorgen Johnsson and Fredrik Sundström found that naive fish benefited from the skills of pre-trained group mates despite having outdated knowledge on predation risk. Social learning improved foraging success, suggesting it can be a beneficial strategy even in uncertain environments.

Dig deeper to find Martian life

Current drills may find essential signs of life on Mars but can't reach the living cells that could survive in ice at Elysium or recent craters due to radiation levels, scientists say. The team found that drilling depth required for finding living cells is much deeper than current probes can reach.

Many people with MS report financial strain related to health care

A nationwide study found that despite high insurance coverage rates, many individuals with MS struggle financially due to unaffordable healthcare costs. The study revealed a significant proportion of participants made lifestyle changes, skipped medication doses, or went without essential necessities to pay for healthcare needs.

On automatic pilot

Researchers have made new discoveries about cerebellar functioning in rats, shedding light on how the brain controls movements. The study found that specific modules of the cerebellum regulate reflex functions during walking and adapt to situations.

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.

Diagnosis by patterned paper

Researchers at Harvard University developed a new class of rapid tests that can carry out several biological tests simultaneously on a single drop using patterned paper. The tests are highly practical, inexpensive, and unaffected by contamination.

Something new under the sun

Dutch researcher Rachel van Ooteghem's innovative control system optimizes climate conditions in a solar greenhouse, leading to a 39% increase in crop yield and a 52% reduction in gas usage. The system uses sustainable energy and minimizes waste heat, resulting in lower costs for growers.

Vaginal birth increases risk of hemorrhage in newborns

A recent study using MRI found that 26% of vaginally delivered babies had small bleeds in and around the brain. The bleeds were likely caused by pressure on the skull during delivery. Most bleeds resolve over time without issues, but larger ones may cause problems later in childhood.

Predicting the risk of rheumatoid arthritis for early arthritis patients

Researchers identified 9 clinical variables that independently predict the development of rheumatoid arthritis in early arthritis patients. The formula allows physicians and patients to make evidence-based treatment choices, potentially avoiding serious complications associated with disease-modifying antirheumatic drugs.

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.

News tips from ACS Chemical Biology

The journal reviews new techniques and tools for chemical biologists to study biomolecules in action, including advances in fluorescence that allow precise observation of cells. Researchers can use these tools to probe the internal workings of cells and develop new therapies.

Genes behind animal growth discovered

Researchers at the University of Southern California have identified approximately 350 genes influencing oyster growth rate, revealing new insights into hybrid vigor. This discovery has implications for efficient and sustainable domestication of oysters and other ocean species.

Simulating human metabolism to find new diets to new drugs

Researchers have created a virtual human metabolic network that allows them to quickly discover the effects of changing metabolic reactions on cell behavior. The tool can be used to study hundreds of human disorders and potentially tailor diets for weight control, as well as develop new cholesterol-lowering drugs.

Embargoed Jan./Feb. Annals of Family Medicine tip sheet

A content analysis of television direct-to-consumer advertising found that emotional appeals can influence consumer decisions, but may also lead to misinformed choices. Meanwhile, cost-effectiveness analyses suggest that treatment options for acute otitis media and venous thromboembolism should prioritize symptom relief and cost consid...

Celestron NexStar 8SE Computerized Telescope

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

Cholera pathogen reveals how bacteria generate energy to live

Scientists have made significant discoveries about the energy-generating mechanisms of bacteria, specifically Vibrio cholerae. The study reveals that this pathogen uses a unique system involving the enzyme NQR to generate a sodium gradient, which powers essential cell functions like movement and flagellar rotation.