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Science News Archive 2005


Page 94 of 165

Apple iPhone 17 Pro

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

Once given 'no respect,' cells' tiny RNAS take driver's seat

Researchers at Johns Hopkins Medicine discovered that the Myc protein controls the production of six microRNAs in human lymphoma cells, which can either promote or slow cell growth. The study's findings suggest a complex system involving Myc, microRNAs, and genes controlling cell proliferation.

Consumers suspicious of sponsored links

A study by Penn State researchers found that 80% of participants preferred organic search results over sponsored links. Despite identical content, participants rated sponsored links as less relevant due to biased perception. To address this, businesses should prioritize organic visibility alongside paid advertising.

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.

Researchers get first peek at amyloid's spine

Researchers have gained a detailed understanding of the interconnected protein segments that form amyloid fibrils, a key feature in various diseases. The structure reveals a 'spine' made up of short zippers that are tightly bonded together.

NHGRI selects 13 new targets for large-scale sequencing program

The National Human Genome Research Institute (NHGRI) has selected 13 new targets for a large-scale sequencing program, including mammals and non-mammalian organisms. The program aims to gain insights into the biological processes at work in human health and illness by comparing genomes across species.

Study establishes new class of cancer-causing genes

Researchers found that mir-17-92 cluster microRNAs are overexpressed in most common cancers, including B-cell lymphoma and colorectal carcinomas. This overexpression may contribute to cancer development and progression.

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.

Study shows ramelteon reduced insomnia symptoms in elderly

A study shows that ramelteon effectively reduces insomnia symptoms in elderly individuals, targeting the suprachiasmatic nucleus to regulate biological rhythms. Approximately half of older adults experience insomnia at least a few nights per week, affecting an estimated 60 million people in the US.

UIC developing drug for SARS

Researchers at UIC are developing protease inhibitors to block the SARS virus's advance, aiming to reduce viral load and ameliorate disease. The targeted approach, focusing on the backbone of enzymes, is designed to evade mutations that may hinder drug effectiveness.

New hope for treating heart rhythm irregularity that often follows surgery

Researchers at Washington University School of Medicine found that inflammation is the cause of postoperative atrial fibrillation, a rapid and irregular twitching of the upper chambers of the heart. Anti-inflammatory therapy may prevent or lessen this condition by increasing uniformity of electrical impulses in the atria.

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.

Minorities receive less diabetes-related prevention care

A study of 36 studies found that minority populations received fewer preventive care measures for diabetes, including flu vaccinations and cholesterol tests. Socioeconomic factors, language differences, and potential bias in healthcare may contribute to these disparities.

Clear rules needed to govern deep sea bioprospecting: UNU

The report highlights the need for clear rules to regulate deep sea bioprospecting, citing growing concerns about exploitation and potential damage to sensitive ecosystems. Marine-derived drugs have significant economic value, with estimated annual profits of $1 billion from anti-cancer agents alone.

US specialists call for heart patients to be screened for psychological distress

Research by Dr Amy Ferketich and Dr Philip Binkley found that men and women with heart disease in the US experience high levels of psychological distress, with only a third seeking mental health support. The study analyzed data from over 17,000 individuals with different forms of heart disease, highlighting the need for clinicians to c...

Are microRNAs oncogenes?

Researchers discovered distinctive patterns of microRNA activity in cancer cells that can be used to diagnose cancers and distinguish normal cells from those that are cancerous. The study also found that specific microRNAs can cause lymphomas in mice and cooperate with genes already known to cause human cancers.

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.

Women overestimate breast cancer risk, U-M study finds

A recent study published in Patient Education and Counseling found that 89% of women overestimated their lifetime risk of breast cancer, with an average estimate of 46%. Women who did not provide an estimate beforehand were more likely to feel anxious, while those who provided an estimate reported relief after learning the actual risk ...

Raisins fight oral bacteria

The study found that oleanolic acid and other compounds in raisins inhibited the growth of oral bacteria associated with caries and gum disease. Raisin phytochemicals were effective against Streptococcus mutans and Porphyromonas gingivalis at concentrations ranging from 200 to 1,000 micrograms per milliliter.

Studies reveal how cells sense oxygen

Research reveals that mitochondrial activity produces reactive oxygen species that signal low oxygen levels, allowing cells to adapt and respond. Cells with disabled mitochondria fail to detect changes in oxygen availability, highlighting the critical role of mitochondria in oxygen sensing.

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.

Scientists help develop first single molecule transistor

A team of scientists has created a prototype that demonstrates a single charged atom on a silicon surface can regulate the conductivity of a nearby molecule. This breakthrough could lead to more efficient and eco-friendly electronics with reduced energy consumption and heat production.

Research links heavy drinking and increased mental health risk

Research by Dr Rosa Alati links heavy drinking to higher rates of anxiety and depression in women. Contrary to previous findings, the study suggests that moderate drinking is associated with lower symptoms of mental illness when women are in their early 30s.

Cancer research finds targets for new cholesterol-lowering therapies

A new mechanism controlling cholesterol and lipid metabolism has been discovered, with the Fbw7 protein identified as a potential target for treating high cholesterol. The findings also suggest a connection between this protein and cancer, with aspects of its link to diabetes currently under investigation.

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.

MIT's nanoprinter could mass-produce nano-devices

A new printing method called Supramolecular Nano-Stamping (SuNS) enables the mass production of complex nano-scale patterns, including DNA microarrays. This could revolutionize diagnostics by making DNA analysis routine and inexpensive.

Omega-3 offers hope for new anti-breast cancer drugs

Researchers discovered that combining Omega-3 fatty acids with propofol can inhibit cancer cell adhesion and migration, increasing apoptosis. The study suggests that these novel conjugates may be useful for treating breast cancer.

Resettling the 'Lost Boys of Sudan' in the United States

A recent US study by Boston University researchers found that family and community engagement are crucial in mediating the traumatic reaction of unaccompanied refugee minors, known as the 'Lost Boys of Sudan'. The study suggests that comprehensive approaches to resettlement efforts can help these young men thrive on all fronts.

Unlocking the mystery behind lightning's puzzling friend

A study led by Steven Cummer of Duke University and Walter Lyons found that sprites are generated by major lightning strikes. The total charge, as it moves from the cloud to the ground, is most critical in sprite development. Sprites are brief, lasting only 3 to 10 milliseconds, but can be monitored globally using a single sensor.

Tibetan monks yield clues to brain's regulation of attention

Research suggests that trained meditative practices can alter perception and influence the conscious experience of visual perceptual rivalry. Monks practicing 'one-point' meditation showed major increases in durations of perceptual dominance, indicating improved ability to focus their minds.

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.

Link between mothers' poor diets, kids' obesity

A study published in Cell Metabolism suggests that premature leptin surge in newborn mice of underfed mothers leads to remodeling of key brain circuits contributing to obesity later in life. The researchers found that the early leptin surge alone causes accelerated weight gain.

Goddard technologist proposes sensitive high-tech robot skin

NASA's Goddard technologist Vladimir Lumelsky proposes developing a 'High-Tech Skin' with over 1,000 infrared sensors to enable robots to sense their environment and react like humans. This technology is crucial for carrying out NASA's Vision for Space Exploration, where humans and robots work together in unstructured environments.

Meta Quest 3 512GB

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

Rensselaer opens new $20 million center for future energy systems

The new Center for Future Energy Systems will focus on renewable energy and energy conservation systems, prioritizing fuel cells, smart lighting, and emerging renewable energy systems. The research aims to make New York state a world leader in energy research and generate jobs.

Goals for TB control reachable for most of world

The study found that global new TB cases increased by 1% in 2003, but detection rates improved to 45% by 2003, reaching 60% by 2005. Treatment success rates were over 80% since 1998, with variation among regions.

Tourism offers lifeline to fishing communities

Research from Newcastle University finds that tourism is becoming a vital source of income for coastal fishing towns, as traditional fishing industries decline. The study highlights the importance of carefully managed development and community engagement in avoiding 'theme park'-like transformations.

Men, women disagree on number of guns at home, new study finds

A new study suggests that men and women have different perceptions of gun ownership and storage practices, with men more likely to own guns and be responsible for storing them. The research emphasizes the importance of providing gun safety counseling in various settings, including hardware stores, workplaces, and sporting events.

Chest x-rays not effective in determining when TB acquired

A study of 546 patients found that chest x-rays are not effective in determining when tuberculosis (TB) was acquired. The researchers discovered that the most significant independent predictor of radiographic appearance is HIV status, indicating altered immunity rather than recent infection.

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.

Treatment helps in preventing TB among those at high risk

A study in South Africa found that a new treatment approach, including isoniazid and cotrimoxazole, reduced tuberculosis incidence among HIV-infected employees by 32%. The intervention was part of a clinic established in 1999 to provide specialist care for HIV-infected employees.

Study of high-pressure process to inactivate Norwalk virus underway

Researchers at Virginia Tech are conducting a study on high-pressure processing to inactivate Norwalk virus, with the goal of making consumers safer from foodborne illnesses. The study will evaluate various high-pressure processing schedules and compare results obtained from human subjects to those obtained using mice.

Celestron NexStar 8SE Computerized Telescope

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

Possible treatment found for 'chemobrain'

A 14-month study found that dexmethyphenidate (d-MPH) significantly reduced fatigue and improved memory in cancer survivors with chemobrain. The medication, taken at dosages of 10-50 mg per day, showed safe and effective results for relieving chemobrain symptoms.

Eliminating affirmative action would devastate most minority college enrollment

A study found that eliminating affirmative action would lead to a significant decline in acceptance rates for African American and Hispanic students at elite universities. Acceptance rates for these groups would fall by almost two-thirds and one-half, respectively. In contrast, white students' acceptance rates would rise by only 0.5 pe...

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.

New benefits of soy revealed

Researchers found that soy-based meal replacements led to greater weight loss and improved cholesterol levels compared to milk-based alternatives. Additionally, soy intake was shown to reduce serum glucose values, suggesting a role in maintaining overall health and slowing diabetes development.

3D atlas will help navigate the spinal cord

A new project provides a comprehensive map of the rat spinal cord, allowing for seamless navigation between rat and human cords to test hypotheses and relate data. The study will also create a 3D stereotaxic space for experimental and clinical observations.

Pollution-eating bacteria produce electricity

Researchers have discovered a bacterium that can generate electricity from fuel sources, providing a potential solution for sustainable energy. This unique capability makes the bacterium useful for reclamation of wastewaters and removal of waste, with potential applications in future microbial fuel cell designs.

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.

African-Americans more prone to higher heart weight than whites, study shows

African-American patients have a higher rate of increased heart weight, or left-ventricular hypertrophy, than whites regardless of their differences in body fat and overall body composition. Elevated blood pressure is the best indicator of why African-Americans in the study had a higher rate of left-ventricular hypertrophy.

Study in Royal Society journal on heritability of female orgasm

A twin study published in the Royal Society journal examines the genetic influences on female orgasmic function, suggesting a significant heritability component. The research highlights the complex interplay of biological and environmental factors contributing to individual differences in female orgasmic function.

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.

CT significantly reduces the need for appendectomy

A study published in the American Journal of Roentgenology found that CT scans significantly reduced the need for appendectomies from 20% to 3% at an urban hospital. The technology's accuracy in imaging the appendix and detecting mimic conditions led to a dramatic decrease in unnecessary surgeries.