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Science News Archive April 2005


Page 10 of 14

Abnormal lung cancer screening results may help smokers quit

Researchers found that smokers receiving multiple abnormal CT scans were more likely to quit smoking and remain smoke-free. The study suggests that abnormal lung cancer screening results can serve as a psychological push for smokers to quit, leading to increased success rates.

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.

Scientists announce world's most sensitive cancer test

A new cancer test uses the physical strength of each cell to diagnose and stage cancer, reducing the need for biopsies and potentially saving lives. The 'optical stretcher' can detect cancer in as few as 50 cells, allowing for early diagnosis and treatment.

Breakthrough isolating embryo-quality stem cells from blood

Researchers have isolated embryo-quality stem cells from adult blood for the first time using a physical characteristic of each cell's stretchiness. This breakthrough technique could revolutionize medical research and treatment by providing an alternative to embryonic stem cells.

Restless legs syndrome has complex genetic involvement

A study of French Canadian families found a strong genetic link to restless legs syndrome on chromosome 12q, with periodic leg movements during sleep being a key distinguishing feature. The findings support the involvement of multiple genetic loci in the common sleep disorder.

Molecular breakthrough for plastic electronics

A Northwestern University team has designed organic molecules that self-assemble into ultra-thin layers for use in transistors. Their tailored molecular components reduce operating voltage and power consumption, making low-power consumption OTFTs a reality.

Apple iPhone 17 Pro

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

Optical computer made from frozen light

Researchers calculate that ultra-cold atoms can be used to perform controlled coherent processing with light, preserving information content. This technology has the potential to revolutionize optical computing and create faster-than-electron computers.

Nanotechnology's miniature answers to developing world's biggest problems

A new study identifies top 10 nanotechnology applications that can transform lives of billions worldwide, including energy production, agriculture, water treatment, disease diagnosis, and more. These innovations aim to close the gap between rich and poor nations, promoting sustainable development and improving living standards.

Study finds no link between cell phone use and brain tumors

A recent study published in Neurology found no evidence that cell phone use increases the risk of developing brain tumors. Researchers analyzed data from over 400 people with and without brain tumors and found no correlation between cell phone use frequency or duration and brain tumor incidence.

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.

Carbon dioxide role in past climate revealed

Researchers used advanced supercomputing technology and chemical analysis to reconstruct past sea temperatures, finding that increased levels of CO2 in the atmosphere initiated warming. This breakthrough sheds light on how climate may respond to greenhouse gas emissions in the future.

At-risk middle schoolers: A good investment

A three-year course in the stock market and investing resulted in improved attendance and academic performance among at-risk middle school students. The program, which allowed students to buy shares of stock by improving their grades and attendance, showed statistically significant gains in vocabulary, reading comprehension, and applie...

Nature provides inspiration for important new adhesive

A new adhesive inspired by mussel protein has been developed, offering superior strength and water resistance. The adhesive is made from natural resources such as soy flour and lignin and does not use formaldehyde or other toxic chemicals.

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.

Older children may benefit from treatment for lazy eye

A randomized treatment trial found that amblyopia treatment improved visual acuity in 53% of seven- to 12-year-olds and 25% of 13- to 17-year-olds. However, the authors note that sustained improvement is unknown after treatment discontinuation.

PNAS highlights for the week of April 11 - 15

Researchers have successfully cloned meat and milk from bulls and cows, showing no significant differences in quality compared to naturally bred animals. Meanwhile, a study suggests that early humans may have driven elephant extinctions on multiple continents.

Deep brain stimulation in Parkinson disease reduces uncontrolled movements

A study found that deep brain stimulation with STN and GPi targets improves off-medication motor scores and levodopa-induced dyskinesia for at least one year. STN stimulation may be better for younger patients with prominent bradykinesia, while GPi stimulation is better suited for dose-limiting dyskinesia.

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.

Research shows overfishing of sharks key factor in coral reef decline

A new study reveals that overfishing of sharks triggers a domino effect of changes in abundance, contributing to the degradation of Caribbean reefs. The researchers found that sharks play a crucial role in maintaining the stability of the ecosystem, and their removal can lead to a decline in plant-eating fish populations.

NSF launches computer security center

The TRUST consortium, funded by NSF's Science and Technology Centers program, aims to create new technologies that make computer software and networks inherently secure. Researchers will focus on protecting against attacks, ensuring data integrity, and developing tools for building trustworthy systems.

Painless test using teardrops may speed diagnosis of Sjögren's syndrome

A new painless diagnostic test for Sjögren's syndrome could be available in two to three years, promising faster diagnosis and reduced severity of symptoms. The test involves analyzing teardrops collected from patients' eyes, which may help identify specific protein biomarkers for the disease.

Worth the wait? A neural mechanism related to impulsive decision-making

A team of researchers has discovered a neural mechanism related to impulsive decision-making in pigeons. The study found that single neurons in the avian forebrain show increased activity when anticipating rewards, with activation levels decreasing as delays increase, leading to preferences for immediate over delayed rewards. This brea...

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.

Hopkins study shows older children also benefit from 'lazy eye' treatment

A Hopkins study found that treating older children with amblyopia can be effective in improving vision. The research challenged traditional age-based treatment guidelines, showing success in teenagers as young as 13. While some visual impairment remains, the treatment offers hope for improved sight.

UC Berkeley to lead $19 million NSF center on cybersecurity research

The Team for Research in Ubiquitous Secure Technology (TRUST) center aims to develop new technologies to design, build, and operate trustworthy information systems. The researchers will focus on developing secure embedded systems, integrating trusted components, and creating information management software tools.

Humor can increase hope, research shows

A study by Texas A&M University psychologist David H. Rosen found that watching a comedy video significantly increased participants' scores for hopefulness. The finding suggests humor can be a legitimate strategy for relieving stress and maintaining well-being while increasing hope.

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.

Microscopes at microscopic size

Scientists create biochips that allow analysis of cells using fluorescent chemicals and tiny lasers, enabling examination of cellular conditions for diseases and developing new treatments. The technology has the potential to create small diagnostic devices for medical diagnostics, improving patient treatment by reducing hospital visits.

Breakthrough in national diseases

Researchers identified a gene variant that increases the risk of rheumatism, MS, and myocardial infarction by 20-40%. The discovery may lead to more reliable diagnostics and better treatments for patients.

Microarrays as phenotype

Researchers used microarray data to determine the order of genes in a pathway that results in a particular phenotype. By analyzing the interactions between genes, they were able to reconstruct the pathway and prove that gene A comes before gene B.

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.

Terrorist-proof buildings from new high-tech sensors

Scientists have developed a new breed of fibre-optic sensors that can measure strain, detect movements, and monitor blast-waves with high accuracy. These sensors promise to revolutionize safety monitoring in various industries.

Sacred constant might be changing

Research by Dr. Michael Murphy suggests that the fine structure constant, governing electromagnetic forces, may have changed over time by about one part in two-hundred-thousand during the last 10 billion years. This finding challenges existing knowledge and could have significant implications for our understanding of the universe.

About 70 percent of older adults use alternative medicine

This study found that 71 percent of older adults used some form of alternative medicine in 2000, with chiropractor being the most commonly used. The findings suggest that older adults are using alternative medicine due to chronic health issues and dissatisfaction with conventional healthcare.

Why women shy away from careers in science and math

Research suggests that parents' messages undermine girls' confidence in math and science, while also making them less interested in pursuing these fields. Teachers can play a crucial role by providing vocational and intellectual reasons for studying math or science.

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.

Europe goes back to Mars

The European Space Agency recommends a mission that combines key technologies from BeagleNet, ExoMars and NASA to search for life on Mars. The rover will include instruments to study seismic phenomena and a drill capable of penetrating the surface.

Arsenic removal from drinking water is focus of new projects

The Midwest Technology Assistance Center is funding research to optimize iron addition and track arsenic concentration variability in relation to time and pumping procedures. The center also evaluates water quality at surface water intakes with watershed modeling to improve small systems' technical, managerial, and financial capacity.

UPenn receives 2005 Templeton Research Lectures Grant

The University of Pennsylvania will direct a three-year project exploring the relationship between the mind and spirituality. The initiative aims to advance fields like cognitive neuroscience, theology, and philosophy by examining issues related to love, compassion, and epistemology.

Davis Instruments Vantage Pro2 Weather Station

Davis Instruments Vantage Pro2 Weather Station offers research-grade local weather data for networked stations, campuses, and community observatories.

ACP releases 5th Edition of its respected ethics manual

The new Ethics Manual revisits and expands on earlier topics, including sections on chaperones and privacy, gifts from patients, and health and human rights. The fifth edition provides an ethical framework for physicians to make complex decisions in a changing environment.

OHSU scientist helping explain basis of psychotic behavior

A study by OHSU scientist David Grandy found a strong correlation between dopamine supersensitivity and high-affinity D2 receptors in individuals with schizophrenia. This discovery could lead to improved treatments for schizophrenics and amphetamine abusers.

Meta Quest 3 512GB

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

Nanobridges show way to nano mass production

Scientists create nanobridges with consistent properties, allowing for scalable production of nanosized transistors, sensors, and lasers. The breakthrough enables the mass production of nanostructures with precise control over their dimensions.

Liver may be source of 'good' cholesterol

Researchers at Wake Forest University School of Medicine have found that the liver is the main source of high-density lipoprotein (HDL), or 'good' cholesterol. This discovery could lead to new treatments for raising HDL levels, particularly in individuals with less severe cholesterol disorders.

Post-traumatic stress disorder common among refugees in western countries

Research suggests that post-traumatic stress disorder (PTSD) is a significant concern among refugee populations in western countries. Studies indicate that approximately 1 in 10 adults experience PTSD, while others may struggle with major depression and generalized anxiety disorders. The findings highlight the need for increased attent...

Competition in health care may not result in better quality

Less competition in the healthcare industry is linked to improved health plan performance on measures such as women's care and member satisfaction. However, the relationship between competition and quality is complex and requires further research.

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.

'Born-again' stars reveal how the earth was created

A recent study led by Professor Albert Zijlstra has found that up to 0.1% of a star's mass can be expelled during re-ignition, equivalent to 300 times the mass of Earth. This discovery suggests that part of the carbon in the universe may have come from these events, providing new insights into the formation of our planet.

Researchers unmask malaria parasite's cloaking mechanism

Scientists found that P. falciparum uses gene silencing to mask its presence by packaging DNA into tight forms and preventing expression. The study also revealed the role of protein SIR2 in this process, suggesting new avenues for developing novel drugs for malaria.

Exposed: Tobacco companies efforts to influence industry privatisation

Internal tobacco industry documents reveal that British American Tobacco and Reemtsma sought to secure closed deals, aiming to establish a monopoly. Effective tobacco control policies, such as comprehensive advertising bans and taxation rates, should be implemented before privatization occurs to prevent predicted increase in consumption.

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.