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Science News Archive October 2011 - Page 15


Page 15 of 28

Profanity in TV and video games linked to teen aggression

A new study published in Pediatrics found that exposure to profanity in media can lead to increased physical and relational aggression in adolescents. The research suggests that profanity can act as a stepping stone, reducing inhibitions about using profanity and increasing aggressive behavior.

SourceBrigham Young University·JournalPEDIATRICS·DateOct 17, 2011

Study shows unexpected effect of climate change on body size for many different species

A recent study by the National University of Singapore reveals that climate change is causing a significant decrease in body size among various species worldwide. This trend has far-reaching implications for ecosystems and biodiversity, as smaller organisms can lead to reduced resource availability, population declines, and even loss o...

SourceNational University of Singapore·JournalNature Climate Change·DateOct 17, 2011
Apple iPhone 17 Pro

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

Examining rice genes for rice blast resistance

Agricultural Research Service scientist Yulin Jia characterized the molecular mechanism of some plants' ability to resist rice blast, a fungal disease affecting cereal grain crops. He also mapped two major blast-resistance genes from a Chinese rice cultivar, which have been reported in several scientific journals.

SourceUnited States Department of Agriculture - Research, Education and Economics·JournalPhytopathology·DateOct 17, 2011

Clustered hurricanes reduce impact on ecosystems

Research finds clustered hurricane activity reduces damage to coral reefs and ecosystems, allowing for recovery time. Clustering of storms also benefits insurance companies by providing time to rebuild profits.

SourceGlobal Change Institute·JournalProceedings of the National Academy of Sciences·DateOct 17, 2011

Diamonds, silver and the quest for single photons

Researchers develop scalable diamond-based devices with silver coating, enabling efficient photon emission and control. The technology supports the creation of robust quantum computers and sensitive magnetometers, opening new avenues for applications in quantum information processing and nanoscale measurements.

SourceU.S. National Science Foundation·JournalNature Photonics·DateOct 17, 2011
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.

Nourishing protein slows brain disease

A protein that promotes neuron growth and blood vessel formation appears to halt brain degeneration in a genetic disease, according to Northwestern University research published in Nature Medicine. The study suggests a link between aging and the development of spinocerebellar ataxia type 1, a disease causing cerebellum degeneration.

SourceNorthwestern University·JournalNature Medicine·DateOct 17, 2011

JCI online early table of contents: Oct. 17, 2011

Researchers identify broccoli-based compound as potential therapeutic for COPD, and discover the protective role of TLR6 in reducing asthma severity. Additionally, a signaling pathway linking high blood glucose to platelet hyperreactivity is defined, offering new targets for therapeutics.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateOct 17, 2011

US rivers and streams saturated with carbon

Researchers found that US rivers and streams are a significant source of CO2, releasing as much as a car burning 40 billion gallons of gasoline into the atmosphere. This could alter carbon modeling and require adjustments to regional carbon budgets.

SourceYale University·JournalNature Geoscience·DateOct 17, 2011

Reversing aging

Researchers at UT Austin develop automated system to test millions of drugs on C. elegans worm, which develops Alzheimer's disease similar to humans. The goal is to speed up drug discovery and development for neurodegenerative diseases.

SourceUniversity of Texas at Austin·DateOct 17, 2011
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.

Impurity atoms introduce waves of disorder in exotic electronic material

Substituting impure atoms into a heavy-fermion system destroys its superconductivity by creating 'Kondo holes' that disrupt electron interactions. Visualization techniques reveal widespread disruption and the spread of disturbance through the material.

SourceDOE/Brookhaven National Laboratory·JournalProceedings of the National Academy of Sciences·DateOct 17, 2011

Battery research: Bionics reduces filling time

Researchers at KIT have developed a new process to fill porous electrodes with liquid electrolyte more rapidly, increasing battery production efficiency. The innovative method uses a physico-chemical effect inspired by nature to reduce filling time from several hours to just minutes.

SourceHelmholtz Association·DateOct 17, 2011

Drug tracked in tissue

Researchers at Lund University have created a molecular image of a drug in human tissue using a special type of mass spectrometry. The technique allows for precise spatial distribution analysis, enabling the development of safer and more effective drug candidates.

SourceLund University·JournalAnalytical Chemistry·DateOct 17, 2011
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.

2011 a banner year for young striped bass in Virginia

The 2011 survey found a significant increase in young-of-year striped bass numbers in Virginia's Chesapeake Bay, with over 27 fish per seine haul recorded. This strong year class is expected to grow into a sustainable population, benefiting both recreational and commercial anglers.

SourceVirginia Institute of Marine Science·DateOct 17, 2011

Biomarker-guided heart failure treatment significantly reduces complications

A new study found that adjusting therapy to keep NT-proBNP levels below 1,000 pg/ml reduced hospitalizations for heart failure symptoms by half and lowered rates of arrhythmias, stroke, heart attack, and cardiac death. Patients reported better quality of life and greater improvement in heart structure and function.

SourceMassachusetts General Hospital·JournalJournal of the American College of Cardiology·DateOct 17, 2011
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.

Links in the chain: Global carbon emissions and consumption

A team led by Steven Davis tracked and quantified global carbon dioxide emissions across the supply chain. They found that regulating fossil fuels extracted in major countries like China, US, and Russia could cover 67% of global emissions.

SourceCarnegie Institution for Science·JournalProceedings of the National Academy of Sciences·DateOct 17, 2011

Sleep disruption for breastfed babies is temporary

A recent study by the American Academy of Pediatrics found that breastfed babies initially experience more night wakings and disrupted sleep patterns. However, these differences typically stabilize within six months, with all sleep patterns becoming comparable to non-breastfed babies.

SourceAmerican Academy of Pediatrics·DateOct 17, 2011

Robotic bug gets wings, sheds light on evolution of flight

A robotic bug named DASH+Wings was tested for its ability to fly and run. The results showed that the extra boost from flapping wings improved the robot's speed and stability, but did not provide enough thrust to launch it from the ground.

SourceUniversity of California - Berkeley·JournalBioinspiration & Biomimetics·DateOct 17, 2011

Tree-dwelling animals were the first to fly, new research suggests

A study published in Bioinspiration & Biomimetics found that flapping wings on robots increased running speeds and climbing abilities. Researchers believe this suggests tree-dwelling animals may have evolved first, with gliding ability as a precursor to flight.

SourceIOP Publishing·JournalBioinspiration & Biomimetics·DateOct 17, 2011
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.

Archaeologists find blade production earlier than originally thought

Researchers at Tel Aviv University have found evidence of advanced blade production during the late Lower Paleolithic period, around 200,000-400,000 years ago. The discovery of well-planned 'production lines' suggests a sophisticated tool-making system that rivals later blade technology.

SourceAmerican Friends of Tel Aviv University·JournalJournal of Human Evolution·DateOct 17, 2011

UNH: 1 in 4 children exposed to some form of family violence

According to a new research from the University of New Hampshire Crimes against Children Research Center, over 1 in 4 children have been exposed to physical violence between their parents. The study found that almost half of these children reacted by yelling at their parents to stop or trying to get away from the fight.

SourceUniversity of New Hampshire·DateOct 17, 2011
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.

Low birthweight infants have five times rate of autism

Researchers found that premature infants are five times more likely to develop autism, with a 5% diagnosis rate compared to 1% in the general population. The study, which followed 862 children from birth to young adulthood, suggests low birthweight may be a risk factor for autism spectrum disorders.

SourceUniversity of Pennsylvania School of Nursing·JournalPEDIATRICS·DateOct 17, 2011

Protein family key to aging, cancer

A new study identifies SIRT2 as a key tumor suppressor linked to gender-specific tumor development in mice. The research suggests the existence of a rare family of tumor suppressors, and its findings have implications for understanding the biological processes underlying cancer and aging.

SourceVanderbilt University Medical Center·JournalCancer Cell·DateOct 17, 2011

Bacteria associated with stomach ulcers not detected in enlarged adenoids in children

A study published in Archives of Otolaryngology - Head & Neck Surgery found no evidence of Helicobacter pylori bacteria in enlarged adenoids of children. However, Candidatus Wolinella africanus was detected in one hyperplastic adenoid sample, suggesting occasional reflux episodes may contribute to the disease's pathophysiology.

SourceJAMA Network·JournalArchives of Otolaryngology - Head and Neck Surgery·DateOct 17, 2011

Embargoed news from Annals of Internal Medicine

Researchers studied mammography registries to compare cumulative probability of false-positive results after 10 years of annual or biennial screening. Biennial screening reduced false-positive recalls by one-third, but associated with a small increase in late-stage cancer diagnosis. Digital mammography was found to be equally effective...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateOct 17, 2011
Meta Quest 3 512GB

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

Research examines approaches to treating substance abuse among African-Americans

A new study found that African-American women were more likely to continue a counseling approach to treating substance abuse, but their issues continued. The study suggests that Motivational Enhancement Therapy may be effective in reducing drug abuse, particularly among African-American men.

SourceUniversity of Cincinnati·JournalCultural Diversity and Ethnic Minority Psychology·DateOct 17, 2011

Broccoli-based compound beats drug resistance in lung disease

Researchers identified sulforaphane as a potential therapeutic to augment anti-inflammatory effects of corticosteroids in individuals with COPD. This broccoli-based compound targets Nrf2 and restores glucocorticosteroid sensitivity in macrophages from COPD patients.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateOct 17, 2011
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Omega-3 fatty acids shown to prevent or slow progression of osteoarthritis

A University of Bristol study found that omega-3-rich diets reduced disease by 50% compared to a standard diet in guinea pigs with naturally occurring osteoarthritis. Omega-3 influences biochemistry and helps prevent disease progression, potentially controlling established osteoarthritis.

SourceUniversity of Bristol·JournalOsteoarthritis and Cartilage·DateOct 17, 2011

Pilot study looks at medication safety in US homes

A pilot study found that nearly 30% of US homes with young children store acetaminophen products unsafely, with most homes containing expired medications. The study suggests that proper storage is crucial to prevent unintentional poisonings, particularly in homes with young children.

SourceAmerican Academy of Pediatrics·DateOct 17, 2011

Immune peacekeepers discovered

Centenary Institute researchers have identified a set of immune cells in the outer layer of the skin that prevent the immune system from attacking friendly bacteria. This discovery opens up new possibilities for treating inflammatory bowel disease and other immune-mediated disorders.

SourceCentenary Institute·JournalProceedings of the National Academy of Sciences·DateOct 17, 2011
Fluke 87V Industrial Digital Multimeter

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

Study identifies molecules used by certain species of seaweed to harm corals

Researchers have identified four toxic molecules used by certain species of seaweed to harm corals, which could inform management techniques to protect fish that consume these harmful seaweeds. The molecules are from a class of organic compounds known as terpenes and were found to be active at very low concentrations.

SourceGeorgia Institute of Technology·JournalProceedings of the National Academy of Sciences·DateOct 17, 2011

Lung cancer patients with diabetes show prolonged survival

Researchers found that lung cancer patients with diabetes had higher survival rates, including 43% at 1-year and 28% without diabetes. The benefits were seen across different stages of disease, suggesting that diabetes may not be a reason to withhold standard treatment.

SourceInternational Association for the Study of Lung Cancer·JournalJournal of Thoracic Oncology·DateOct 17, 2011
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.

Obese women have higher risk of suffering breast cancer

A recent study published in Nutrición Hospitalaria found that obese women, particularly those with morbid obesity, develop breast cancer at a significantly earlier age. The researchers discovered that the age at first menstruation is a key factor in determining the development and diagnosis of breast cancer.

SourceUniversity of Granada·JournalNutrición Hospitalaria·DateOct 17, 2011

Meet Concordia's first Trudeau Fellow

Ronald Rudin, a history professor at Concordia University, has been awarded a Trudeau Fellowship to propel his research on Quebec and Acadian identity. He will use the funding to continue making the past relevant to future generations through innovative storytelling methods.

SourceConcordia University·DateOct 17, 2011

AAP expands ages for diagnosis and treatment of ADHD in children

The American Academy of Pediatrics has updated its guidelines for diagnosing and treating Attention-Deficit/Hyperactivity Disorder (ADHD) in children from age 4 to 18. The new guidelines emphasize the importance of early intervention and provide recommendations for behavioral interventions, medications, and a team approach to treatment.

SourceAmerican Academy of Pediatrics·DateOct 16, 2011
Celestron NexStar 8SE Computerized Telescope

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

Plastic fantastic – the future of biodegradables

Researchers have discovered a new way to produce biodegradable plastic PHB using microalgae. This alternative method could provide a renewable source of plastics, reducing the millions of tons of waste caused by petroleum-based plastics.

SourceBMC (BioMed Central)·JournalMicrobial Cell Factories·DateOct 16, 2011

Faulty molecular switch can cause infertility or miscarriage

A faulty molecular switch, SGK1, has been found to be associated with infertility and miscarriage. High levels of the protein are common in women with unexplained infertility, while low levels increase the risk of miscarriage. The research suggests that a temporary loss of SGK1 during the fertile window is essential for pregnancy.

SourceImperial College London·JournalNature Medicine·DateOct 16, 2011
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.

Researchers do precise gene therapy without a needle

Scientists at Ohio State University have created a technique called nanochannel electroporation (NEP) that allows for precise injection of genes and proteins into individual cells. The method uses electrical pulses to deliver therapeutic agents, with potential applications in cancer diagnosis and treatment.

SourceOhio State University·JournalNature Nanotechnology·DateOct 16, 2011