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Science News Archive April 2005 - Page 10


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.

SourceWiley·JournalCancer·DateApr 11, 2005
Apple iPhone 17 Pro

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

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.

SourceIOP Publishing·DateApr 11, 2005

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.

SourceIOP Publishing·DateApr 11, 2005

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.

SourceJAMA Network·JournalArchives of Neurology·DateApr 11, 2005

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.

SourceNorthwestern University·JournalProceedings of the National Academy of Sciences·DateApr 11, 2005
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.

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.

SourceIOP Publishing·DateApr 11, 2005

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.

SourceUniversity of Toronto Joint Center for Bioethics·JournalPLOS Medicine·DateApr 11, 2005

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.

SourceAmerican Academy of Neurology·JournalNeurology·DateApr 11, 2005
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.

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.

SourceBritish Antarctic Survey·DateApr 11, 2005

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...

SourceJohns Hopkins University·DateApr 11, 2005

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.

SourceOregon State University·JournalJournal of Adhesion Science and Technology·DateApr 11, 2005
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.

Carnegie Mellon and U. of Pittsburgh create tool to understand neuron rhythms, learning

Researchers at Carnegie Mellon and University of Pittsburgh have created a new method to calculate the phase-resetting curve (PRC) of living neurons, which can help elucidate mechanisms for neural synchrony and study learning. The tool combines computational and experimental approaches to simplify complex dynamics of single neurons.

SourceCarnegie Mellon University·JournalPhysical Review Letters·DateApr 11, 2005

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.

SourceJAMA Network·JournalArchives of Ophthalmology·DateApr 11, 2005

Research questions belief that private schools are better than publics

Researchers found that public school students from similar social and economic backgrounds outperformed their peers in private schools on national math achievement tests. The study's findings call into question common assumptions about public and private school effects.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·JournalPhi Delta Kappan·DateApr 11, 2005

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.

SourceProceedings of the National Academy of Sciences·JournalProceedings of the National Academy of Sciences·DateApr 11, 2005
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.

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.

SourceJAMA Network·JournalArchives of Neurology·DateApr 11, 2005

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.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateApr 11, 2005

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.

SourceCornell University·DateApr 11, 2005

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.

SourceAmerican Chemical Society·JournalJournal of Proteome Research·DateApr 11, 2005
Meta Quest 3 512GB

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

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...

SourceCell Press·JournalCurrent Biology·DateApr 11, 2005

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.

SourceJohns Hopkins Medicine·JournalArchives of Ophthalmology·DateApr 11, 2005

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.

SourceUniversity of California - Berkeley·DateApr 11, 2005

Higher education representatives advise chemistry faculty candidates on how to apply for positions

The American Chemical Society's Academic Employment Initiative (AEI) offers advice on applying for chemistry faculty positions. AEI aims to broaden the hiring process to include more women, minorities, and candidates from lesser-known universities. The initiative emphasizes research fit and highlighting one's unique qualities.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateApr 11, 2005
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.

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.

SourceTexas A&M University·JournalHumor - International Journal of Humor Research·DateApr 11, 2005

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.

SourceBiotechnology and Biological Sciences Research Council·DateApr 10, 2005

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.

SourceKarolinska Institutet·JournalNature Genetics·DateApr 10, 2005

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.

SourceBaylor College of Medicine·JournalNature Genetics·DateApr 10, 2005
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.

Structure-building cell signals also may influence learning, memory

Researchers found that ephrin subtype EphrinB activates the EphB receptor, triggering a chemical pathway that stimulates synaptojanin-1 enzyme, essential for cellular endocytosis. This process is crucial for neurotransmitter regulation and nerve cell function.

SourceSanford Burnham Prebys·JournalNature Cell Biology·DateApr 10, 2005

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.

SourceIOP Publishing·DateApr 10, 2005

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.

SourceOhio State University·DateApr 9, 2005
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.

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.

SourceUniversity of Michigan·DateApr 9, 2005

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.

SourceScience and Technology Facilities Council·DateApr 8, 2005

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.

SourceUniversity of Illinois at Urbana-Champaign, News Bureau·DateApr 8, 2005
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.

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.

SourceMetanexus Institute·DateApr 8, 2005
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.

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.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateApr 8, 2005

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.

SourceOregon Health & Science University·JournalProceedings of the National Academy of Sciences·DateApr 8, 2005

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.

SourceUniversity of California - Davis·JournalApplied Physics A·DateApr 8, 2005

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.

SourceAtrium Health Wake Forest Baptist·JournalJournal of Clinical Investigation·DateApr 8, 2005
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.

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...

SourceThe Lancet_DELETED·JournalThe Lancet·DateApr 7, 2005

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.

SourcePenn State·JournalMedical Care·DateApr 7, 2005
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.

'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.

SourceUniversity of Manchester·JournalScience·DateApr 7, 2005

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.

SourceHoward Hughes Medical Institute·JournalCell·DateApr 7, 2005

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.

SourceThe Lancet_DELETED·JournalThe Lancet·DateApr 7, 2005