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Science News Archive April 2010


Page 22 of 24

Identifying molecular targets for diabetes-related ED

A study published in Molecular and Cellular Proteomics identified 57 proteins that change during diabetes-induced erectile dysfunction, including those involved in cell death, fat metabolism, and sex hormone transport. These findings may lead to new diagnostic tools and drug targets for treating ED in diabetic patients.

Solar cells: UQAM researcher solves two 20-year-old problems

Professor Benoît Marsan's research solved two long-standing issues in solar cell development: a corrosive electrolyte and expensive platinum cathode. His innovative solutions use new molecules and cobalt sulphide, increasing photovoltage and stability.

Depression associated with sustained brain signals

Researchers created a mouse model with a genetic change associated with depression to study the link between stress and disease. The study found that this mutation impairs the removal of signaling protein from brain areas regulating memory and emotional responses.

Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Walking associated with lower stroke risk in women

A large study found that walking at a brisk pace (3 miles per hour) or for two hours a week significantly lowers the risk of stroke in women. The study followed 39,315 female health professionals over 11.9 years and found lower risks for total, clot-related, and bleeding strokes.

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.

Ontario's universal influenza program

A universal influenza vaccination program in Ontario, Canada, reduced influenza cases by two-thirds and deaths by more than a quarter. The program's economic attractiveness was found to be comparable to targeted programs, with an estimated cost-effectiveness of Can$11,000 per quality-adjusted-life-year gained.

Nuclear missing link created at last: Superheavy element 117

Scientists have successfully synthesized element 117, a superheavy element with 117 protons, by fusing calcium and berkelium. The short-lived atom is unstable but lives longer than many lighter elements, confirming theories of an island of stability on the periodic table.

New study shows rising water temperatures in US streams and rivers

A new study published by the University of Maryland Center for Environmental Science found that 20 major US streams and rivers have experienced statistically significant long-term warming, with increases averaging 0.02-0.14°F per year. This trend is most pronounced in urbanized areas, posing a threat to aquatic biodiversity and ecosyst...

Middle-aged Americans report more mobility-related disabilities

A new study found that middle-aged Americans aged 50-64 reported a significant increase in mobility-related difficulties, with over 40% citing health problems as causes. The trend is concerning, as it may lead to increased need for long-term care and societal costs.

Apple iPhone 17 Pro

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

Defective protein is a double hit for ataxia

A defective protein in spinocerebellar ataxia type 5 (SCA5) damages nerve cells by cutting the number of synaptic terminals and disrupting intracellular transportation. The study suggests that the complex containing beta-III-spectrin, dynactin, and dynein might also snag microtubules to prevent degeneration.

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.

New study on promise of gene therapy for Leber congenital amaurosis

Researchers found that only patients with a specific genetic mutation are eligible for gene therapy, which has shown promising results in treating Leber congenital amaurosis. Genetic testing can detect changes in the genome, but accurate interpretation is crucial to ensure correct treatment.

New study on carbon nanotubes gives hope for medical applications

Researchers have discovered that an enzyme found in white blood cells can break down carbon nanotubes into harmless components. This breakthrough finding has significant implications for the future use of carbon nanotubes in medicine, potentially rendering them harmless and reducing toxicity.

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.

Childhood cancer survivors may face shortened lifespan, study reveals

A new study reveals that childhood cancer survivors may experience a significant decrease in life expectancy, with some facing a 10-17 year reduction. The research suggests that recent advancements in treatments and closer monitoring may improve long-term outcomes for these patients.

New software design technique allows programs to run faster

Researchers at North Carolina State University have developed a new approach that allows hard-to-parallelize applications to run in parallel, enabling up to 20% speed increase. This breakthrough technique breaks down programs into threads, utilizing multiple cores efficiently.

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.

Researchers find a better way to track stem cells

A study published in Cell Transplantation has found that using ICG to label human embryonic stem cell-derived cardiomyocytes substantially improves efforts to optically track stem cells after transplanting them into heart tissues. The labeling procedure did not impair the viability or functional integrity of the cells.

Belief that intentional weight loss is harmful to seniors is unfounded

A new study by researchers at Wake Forest University Baptist Medical Center refutes the widely held belief that intentional weight loss in older adults leads to increased risk of death. The research shows that seniors who intentionally exercised and/or modified their diets to lose weight were half as likely to die within eight years of...

Exposure to 3 classes of common chemicals may affect female development

A study published in Environmental Health Perspectives found that exposure to phenols, phthalates, and phytoestrogens may disrupt the timing of pubertal development in girls. High exposure to certain chemicals was associated with early breast development, while others were linked to delayed puberty.

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.

Proposed grid could make offshore wind power more reliable

Researchers from the University of Delaware and Stony Brook University proposed a new grid design that can minimize the impacts of local weather on power fluctuations, making offshore wind power more consistent. The study found that connecting wind power generators with a shared power line can smooth out power output, allowing sufficie...

Barrow scientist receives $450K MDA grant

A Barrow scientist has been awarded a major grant from the Muscular Dystrophy Association to continue his research on myasthenia gravis, an autoimmune disease that causes muscle weakness and fatigue. The $450,000 grant will focus on Th17 cells, which may play a key role in causing or intensifying autoimmunity.

For stem cells, practice makes perfect

Researchers find random gene expression changes during early differentiation, but stability increases by a factor of 100 after nine generations. This discovery sheds light on the mechanisms behind epigenetic inheritance and its impact on stem cell research.

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.

Eating like a bird helps forests grow

A new study reveals that birds, bats, and lizards play a crucial role in maintaining forest health by controlling insect populations. By eating herbivores and their insect predators, these animals reduce plant damage by 40%, leading to a 14% increase in plant biomass.

Tropical Storm Robyn nested away from land

Tropical Storm Robyn formed in the Southern Indian Ocean on April 2, with maximum sustained winds near 60 knots. The storm's strong thunderstorms and heavy rainfall are safely nested over open waters, but it is expected to weaken over the next three days due to higher vertical wind shear.

Online interactions have positive effects for real-life communities

Researchers found that online communication reinforces local relationships, builds networks of interacting individuals, and forms ties that bind for offline communities. The intersection between online and offline worlds creates a vibrant platform for community communication and information exchange.

Celestron NexStar 8SE Computerized Telescope

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

Scientists find new, inexpensive way to predict Alzheimer's disease

Scientists have developed a low-cost behavioral assessment that can detect changes in the progression of mild cognitive impairment (MCI) and predict Alzheimer's disease. The test measures information processing capacity, which correlates with hippocampal degradation and decline in brain function.

Embargoed news from Annals of Internal Medicine

Childhood cancer survivors may experience a 10-year reduction in life expectancy due to late effects of treatment, according to researchers. Furthermore, social connections play a significant role in shaping alcohol consumption rates, with individuals influenced by friends and acquaintances' drinking habits.

Oral naltrexone can reduce health care costs

A new study has found that oral naltrexone can reduce both alcohol- and non-alcohol-related healthcare costs for patients with alcohol-use disorders. The medication was found to be effective in reducing healthcare expenditures, particularly among those with an alcohol-related diagnosis.

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.

AGU journal highlights -- April 5, 2010

Recent AGU research finds prolonged low solar activity will not offset global warming, with a potential temperature decrease of only 0.3 degrees Celsius in 2100. Heat waves have also increased in the Mediterranean region since 1960, with significant increases in number, length, and intensity.

Form or function? Evolution takes different paths

A new study by University of Michigan scientists suggests that evolutionary genetic mechanisms underlying changes in form and function are distinct. Researchers found that genes affecting morphology (form) evolved faster than those affecting physiology (function), supporting the idea that morphological changes result from gene expressi...

Exercise in pregnancy reduces size of offspring

A new study found that regular moderate-intensity aerobic exercise during pregnancy reduces offspring birth weight by approximately 143g, while not impacting maternal insulin sensitivity. This reduction in birth weight may lower the risk of obesity later in life.

Meta Quest 3 512GB

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

Forest epidemic is unprecedented phenomenon, still getting worse

A new study by Oregon State University researchers found that the Swiss needle cast epidemic in Douglas-fir forests of the Pacific Northwest is intensifying, affecting hundreds of thousands of acres, and causing significant growth reduction, with older trees also being susceptible.

Uncommon eye injury in autistic children has common cause

Therapeutic swings commonly used for autism-spectrum disorders shed metallic particles into the eyes of children, causing uncommon but preventable eye injuries. The study highlights the importance of wearing protective eyewear or modifying swing apparatus to prevent this risk.

Simplifying measures of genetic risk for alcohol dependence

Researchers have identified four relatively simple measures of alcohol consumption that can accurately index the genetic risk for alcohol dependence in both women and men. These findings provide significant implications for risk identification and suggest that simpler measures of drinking behavior may be sufficient to capture the same ...

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.

Chip checks for oral cancer

A pilot study found that a rice-developed nano-bio-chip is effective in detecting premalignancies with high sensitivity and specificity rates comparable to traditional tests. The minimally invasive technique could lead to earlier detection of oral cancer, resulting in higher survival rates.

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.

Considering diabetes treatment, experts say 1 size does not fit all

An international expert group recommends individualized treatment for patients with type 2 diabetes, citing the need to address underlying physiological and genetic differences. The recommendations aim to improve glycemic control, minimize risk, and reduce diabetes complications by tailoring therapies to specific patient subgroups.