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Science News Archive 2005


Page 123 of 165

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.

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.

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.

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.

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.

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.

Apple iPhone 17 Pro

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

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...

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.

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.

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.

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.

DJI Air 3 (RC-N2)

DJI Air 3 (RC-N2) captures 4K mapping passes and environmental surveys with dual cameras, long flight time, and omnidirectional obstacle sensing.

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.

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.

Meta Quest 3 512GB

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

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.

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.

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.

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.

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.

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.

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.

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.

'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.

Bacterial infection associated with heart attack in young men

Researchers found a strong association between high levels of C. pneumoniae antibodies and the occurrence of heart attacks in young men. The study suggests that C. pneumoniae may play a role in the pathogenesis of heart disease, but further research is needed to confirm the link.

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.

Viruses may one day help treat brain tumors

Researchers have genetically altered a herpes simplex virus to selectively target and kill malignant glioma cells, with promising results in mouse studies. The modified virus can extend the lives of animals with implanted human gliomas by several days.

JCI table of contents May 1, 2005

Researchers identify renalase as a novel protein regulating cardiac function and blood pressure. WNK1/4 interaction is also crucial for controlling human blood pressure and familial hyperkalemic hypertension (FHHt) risk.

Yale researchers use laser light to remote control flies

Researchers at Yale University have developed a method to remotely control fly behavior using laser light, demonstrating a direct link between specific neurons and behaviors. The technique involves genetically engineered 'phototriggers' that respond to light pulses, allowing for non-invasive control of neural activity.

Genetic diversity predicts susceptibility to a deadly emerging disease

Researchers tested genetic diversity on Italian agile frog tadpoles exposed to a North American virus, finding that disease susceptibility paralleled population genetic variability. The study highlights the risks of population bottlenecks and inbreeding and suggests a method for predicting responses to new infectious diseases.

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.

Once-a-month naltrexone successfully used to treat alcohol dependence

A six-month study found that long-acting naltrexone injections reduced heavy drinking within the first month of treatment and maintained this response over time. The medication was associated with significant reductions in alcohol dependence when used in conjunction with counseling sessions.

Scientists to study actions of botanical oils

Researchers will investigate the safety and effectiveness of polyunsaturated fatty acids derived from plants like flaxseed, echium, and borage. The studies aim to prevent and treat inflammatory diseases, with an estimated one in three Americans suffering from such conditions within two decades.

Molecular motors cooperate in moving cellular cargo, study shows

Researchers have discovered that molecular motors dynein and kinesin do not compete for control when moving cellular cargo, but instead cooperate to produce more than 10 times the speed of individual motors. This cooperative behavior allows the cargo to move faster and with greater precision inside the cell.

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.

Lupus and the role of Epstein-Barr virus

African Americans with lupus have a higher prevalence of EBV-IgG antibodies and EBV-IgA antibodies, which increases the risk of lupus. Genetic variation in CTLA-4 also affects the immune response to EBV in lupus patients.

Why do amyloid diseases strike different tissues?

Scripps Research scientists identified that certain tissues are more susceptible to amyloid plaques due to their ability to efficiently release misfolded protein. The study found that cells secreting proteins into these tissues secrete the bad proteins most efficiently, making them a key factor in tissue selectivity.

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.

Vigorously active adolescents are leaner, fitter

Researchers found that adolescents averaging five minutes of vigorous physical activity per day were leaner and fitter than their peers. This suggests that general exercise recommendations for adolescents should encourage vigorous physical activity to help them maintain a healthy weight.