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Science News Archive May 2010


Page 22 of 26

Apple iPhone 17 Pro

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

Virginiamycin may reduce feed costs for swine producers

Researchers found that adding virginiamycin to corn-soybean meal feed rations improves ileal amino acid digestibility, enabling pigs to utilize amino acids more efficiently. This increase in digestibility could lead to significant savings on formulation cost and lower diet costs for swine producers.

Your arteries may be suffering insulin resistance, too

A new report in Cell Metabolism shows that insulin-resistant blood vessels develop plaques twice as large as normal ones and are more prone to atherosclerosis. Insulin signaling helps prevent fatty plaque buildup, suggesting treatments targeting blood vessels may be beneficial for people with diabetes.

Bugging out: NC State researchers help track wayward pests through mapping

Researchers at NC State University developed a set of guidelines to improve pest-risk mapping, including increasing international collaboration and incorporating climate change. The recommendations aim to increase the accuracy and consistency of pest-risk maps, which inform strategic and tactical management decisions. By addressing unc...

Managing the emotions behind eating

Researchers at Temple University's Center for Obesity Research are developing a new weight loss treatment that incorporates skills to address emotional eating. The program helps participants recognize and manage emotional triggers, such as boredom, frustration, or sadness, to break the cycle of overeating.

Celestron NexStar 8SE Computerized Telescope

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

The art of mindreading -- empathy or rational inference?

Researchers found that the brain's dorsolateral prefrontal cortex plays a key role in rational inference, but not emotions, in 'mindreading'. The study suggests that certain executive functions like cognitive flexibility may be important for processing what someone else is thinking.

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.

AGU journal highlights -- May 4, 2010

Researchers verified reductions in sulfur dioxide and nitrogen dioxide emissions from Chinese power plants using satellite monitoring. The study also predicts the evolution of central Pacific El Niño events, finding links to thermocline depth and its impact on weather patterns.

High-altitude research advances low-altitude medicine

This special issue of Progress in Cardiovascular Diseases explores the connections between high-altitude medicine and low-altitude diseases. Studies have elucidated fundamental mechanisms involved in lung edema and hypoxic pulmonary hypertension, while also detecting vascular dysfunction in humans.

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.

Mayo Clinic discovers new genetic candidates for irritable bowel syndrome

The Mayo Clinic research team identified genetic variants in serotonin genes that impact IBS, suggesting a complex molecular mechanism involving multiple genes. The study found several previously unknown associations between IBS and serotonin-related SNPs, providing new insights into the condition.

Fishing fleet working 17 times harder than in 1880s to make same catch

Researchers found trawl fish landings peaked in 1937 at 14 times higher than today and bottom-living fish availability fell by 94%. The decline in popular fish stocks such as cod, haddock, and plaice is more profound than previously thought. The study suggests a longer period of damage to fisheries has taken place

DNA barcoding exposes fake ferns in international plant trade

A new DNA barcoding technique has found that many garden ferns sold at nurseries are actually exotic species from other parts of the world. The technique identified three species of ferns as mistakenly labeled, with over 50% of collected plants being incorrectly identified.

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.

Kids with hearing loss in 1 ear fall behind in language skills

A new study has found that children with hearing loss in one ear tend to have poorer oral language scores than their peers with normal hearing. The researchers discovered a significant link between unilateral hearing loss and lower language skills, particularly among disadvantaged children.

Exposure to prenatal smoking may lead to psychiatric problems

Adolescents exposed to prenatal smoking are at a higher risk for use of all psychiatric drugs, especially those treating depression, ADHD, and addiction. Smoking exposure during pregnancy may interfere with brain development, leading to increased need for psychotropic medications in childhood and young adulthood.

A new biological explanation for sadness in early postpartum

Researchers at the Centre for Addiction and Mental Health found that postpartum blues are associated with elevated brain monoamine oxidase A (MAO-A) levels in healthy women. Higher MAO-A levels can lead to feelings of sadness as it accelerates the removal of chemicals like serotonin, contributing to depression.

New study ranks countries on environment impact

The University of Adelaide's Environment Institute has ranked countries based on their environmental impact using seven indicators. The study found that total wealth is the most important driver of environmental impact, contradicting the Kuznets curve hypothesis.

Parents need to be convinced their daughters should receive HPV vaccine

A recent study published in PLOS Medicine found that HPV vaccine uptake among grade 6 girls in British Columbia, Canada is lower than expected. The study suggests that concerns about safety and lack of information are major factors hindering vaccine adoption. Positive parental attitudes towards vaccination and education level can incre...

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.

Some patients with hepatitis B faring better after liver transplant

A Mayo Clinic study reveals a 50% decrease in the number of patients listed for a second liver transplant within three years, indicating improved treatment outcomes for some patients with hepatitis B. Researchers found that new medications have improved ability to control hepatitis B recurrence.

Fragmented forests result in more snakes, fewer birds

A University of Illinois study monitored rat snakes and bird nests in fragmented forest areas, finding that rats spend more time on edges than thought, making interior nests safer. The study suggests preserving unfragmented forest habitats to conserve birds.

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.

Equitable access to influenza vaccines not in sight

A PLOS Medicine article examines the challenges of increasing global access to influenza vaccines, citing disagreements between developed and developing countries as a major obstacle. The author calls for further research on ways to address these issues through collective action.

Natural selection for moderate testosterone surprises scientists

A field study found that intermediate testosterone production is associated with increased survival and reproductive success in male dark-eyed juncos. The researchers also discovered that high and low testosterone levels lead to decreased survival rates, contradicting previous expectations.

Flaxseed-fed chickens shed light on ovarian cancer

Researchers found that flaxseed-enriched diets decreased late-stage ovarian tumor severity and increased survival rates in hens. The study also showed improved weight control and reduced metastatic spread in hens fed the flaxseed diet, suggesting potential benefits for human ovarian cancer treatment.

Why is late-life depression harder to treat?

Researchers found that older adults with late-life depression don't respond normally to emotional stimuli, making treatment more challenging. This study highlights the importance of emotion in understanding late-life depression and developing effective therapies.

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.

Study examines incidence of gastric cancer

A recent study found that gastric cancer incidence has declined globally over the past 30 years for all age groups and races, except for young white adults. The majority of noncardia gastric cancers are attributed to chronic Helicobacter pylori infection.

Trauma-induced changes to genes may lead to PTSD

Researchers at Columbia University's Mailman School of Public Health found that traumatic experiences alter genes involved in stress response and immune system, leading to post-traumatic stress disorder (PTSD). The study identified six to seven times more unmethylated genes in individuals with PTSD, most related to the immune system.

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.

Definitive diabetes indicator deceptively high in African-American children

Researchers found significant differences in hemoglobin A1c response to blood glucose between African-American and Caucasian children with diabetes. The study suggests that doctors may be misinformed about blood glucose levels in African-American patients, leading to life-threatening hypoglycemia and increased complications.

Most patients lack early follow-up care after heart failure hospitalization

A study of over 30,000 Medicare beneficiaries found that fewer than 40% received follow-up care within seven days of discharge. Patients with consistent follow-up were 15% less likely to be readmitted within 30 days. Implementing a simple follow-up system can prevent readmissions and improve patient outcomes.

Popular diabetes drug works differently than thought

Researchers discovered that metformin disables the mTOR complex through RAG GTPase, rather than activating TSC proteins via AMPK. This finding raises the possibility of using metformin more widely to treat cancer and diseases linked to TSC deficiency.

Faster Salmonella detection now possible with new technique

A new method for detecting and genetically identifying salmonella from contaminated foods can provide DNA sequencing-like results in hours, rather than days. This could help recognize outbreaks sooner and stop tainted food from being delivered.

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.

Pneumonia vaccine does not protect against heart attacks or strokes

A recent study published in the Journal of the American Medical Association found that pneumococcal vaccination has no association with reduced risk of heart attacks or strokes. Researchers used electronic health records to follow 84,170 ethnically diverse California men for an average of five years.

Researchers find melanoma not caused by early UVA light exposure

A fish model experiment reverses an earlier finding linking early life UVA exposure to melanoma development. The study finds that UVB exposure is a significant cause of melanoma in the model, contradicting previous research. This new evidence sheds light on the role of UVA and UVB in skin cancer.

Bees that nest in petals

Researchers discovered a rare species of solitary bee that lines its underground nests with petals from various flowers. This unique behavior provides essential nutrients for the larvae's growth and protects them from the harsh winter conditions.

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.

Viruses against cancer

Researchers have found that parvoviruses can completely regress malignant brain tumors in rats and human gliomas. The viruses target cancer cells without affecting healthy tissue, making them a potential new approach to treating glioblastoma.

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.

Scientists outline strategy to limit global warming

Researchers recommend stabilizing carbon dioxide concentrations, fashioning warming-neutral pollution laws, and achieving immediate cooling through reductions in greenhouse gases. The proposed strategies aim to reduce the probability of reaching the temperature threshold to less than 10 percent before 2050.

Medical home pays off, improving primary care and cutting cost at 2 years

The medical home prototype improved quality of care, patient experiences, and clinician well-being, with significant cost savings through reduced emergency visits and hospitalizations. The study's findings support the model's ability to address healthcare concerns and provide recommendations for implementation.

Researchers find future temperatures could exceed livable limits

Researchers calculated that a warming of 12 degrees Fahrenheit would cause some areas to surpass the wet-bulb temperature limit, while a 21-degree warming would put half of the world's population in an uninhabitable environment. Prolonged temperatures above 95 degrees could be intolerable for hours.

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.

Fear of pandemic influenza clogs EDs even when disease is not present

A study shows that public fear of disease can lead to overcrowding in emergency departments, even when the actual disease is not present. The American Academy of Pediatrics calls for responsible media coverage of public health emergencies to prevent unnecessary strain on medical facilities.