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Science News Archive 2011 - Page 62


Page 62 of 311

RUB researchers break W3C standard

Researchers from Ruhr-University Bochum found a serious attack against XML Encryption, which is used by companies like IBM and Microsoft to protect data. The attack exploits a weakness in the CBC mode for chaining ciphertext blocks, rendering XML Encryption insecure.

SourceRuhr-University Bochum·DateOct 19, 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.

New evidence for the oldest oxygen-breathing life on land

The discovery of oxygen-breathing bacteria on land is now estimated to have occurred around 2.48 billion years ago. This finding pushes the Great Oxidation Event forward in time, suggesting that aerobic respiration evolved earlier than previously thought.

SourceUniversity of Alberta·JournalNature·DateOct 19, 2011

Glowing beacons reveal hidden order in dynamical systems

Researchers confirm the fundamental physical principle relating individual particle behavior to that of a multiparticle system. Using fluorescent molecules and high-resolution imaging, they measured diffusive behavior of ensembles and single molecules, providing the first experimental confirmation of ergodicity.

SourceLudwig-Maximilians-Universität München·JournalAngewandte Chemie International Edition·DateOct 19, 2011

'Microring' device could aid in future optical technologies

A Purdue University and NIST team developed a microring resonator that converts continuous laser light into numerous ultrashort pulses, enabling applications in advanced sensors, communications systems, and laboratory instruments. The device uses nonlinear interaction to generate frequencies with equal spacing.

SourcePurdue University·JournalNature Photonics·DateOct 19, 2011

Explanation for glowing seas suggested

Researchers propose a novel mechanism for bioluminescence in dinoflagellates, involving voltage-gated proton channels and luciferase activation. This discovery enhances our understanding of these organisms, some of which produce toxins harmful to the environment.

SourceU.S. National Science Foundation·JournalProceedings of the National Academy of Sciences·DateOct 19, 2011

Analysis of over 10,000 breast cancer patients shows that, following breast conserving surgery, radiotherapy almost halves 10-year-risk of recurrence, and reduces 15-year-risk of mortality by a sixth

A large study of over 10,000 breast cancer patients found that radiotherapy significantly reduces the risk of cancer recurrence and mortality. The study found that radiotherapy almost halves the 10-year-risk of recurrence and reduces the 15-year-risk of mortality by a sixth

SourceThe Lancet_DELETED·JournalThe Lancet·DateOct 19, 2011
Apple iPhone 17 Pro

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

Stranded dolphins exhibit bubbles, and ability to recover

A recent study published in the Proceedings of the Royal Society B found that live stranded dolphins form gas bubbles in their tissues, but can often manage them and resume normal lives. The researchers suggest that marine mammals may be able to regulate bubble formation through routine management.

SourceWoods Hole Oceanographic Institution·DateOct 19, 2011

NASA releases visual tour of Earth's fires

NASA has released a series of new satellite data visualizations showing tens of millions of fires detected globally from space. The data helps scientists understand the impact of fire on local, regional and global scales.

SourceNASA/Goddard Space Flight Center·DateOct 19, 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.

Future-Directed Therapy helps depression patients cultivate optimistic outlook

Future-Directed Therapy has been shown to significantly improve depression and anxiety symptoms in patients by teaching them skills to think positively about the future. The new treatment approach focuses on helping individuals set goals, problem-solve, and plan for future events, leading to improved overall quality of life.

SourceCedars-Sinai Medical Center·JournalCNS Neuroscience & Therapeutics·DateOct 19, 2011

Manufacturing goes viral

Engineers and scientists at UC Berkeley developed a simple, single-step process to direct M13 phages to serve as structural building blocks. The resulting thin-film structures exhibit complex properties, such as bending light and guiding cell growth. The technique sheds light on the self-assembly of biological tissues in nature.

SourceU.S. National Science Foundation·JournalNature·DateOct 19, 2011

Electrochemistry controlled with a plasma electrode

Scientists at Case Western Reserve University create an electrochemical cell with a stable plasma electrode, allowing for controlled electron transfer and reducing losses. The technology has the potential to improve battery and fuel cell efficiency and enable new applications such as hydrogen production and nanomaterial synthesis.

SourceCase Western Reserve University·JournalJournal of the American Chemical Society·DateOct 19, 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.

Blue stragglers

Astronomers discover how blue stragglers, old stars appearing younger than expected, are created through mass transfer. The study reveals that these stars eat up the mass of their giant-star companion, allowing them to continue burning and living longer.

SourceNorthwestern University·JournalNature·DateOct 19, 2011

SMU scientists to lead water quality study at UN refugee camps

SMU scientists are collecting water samples in UNHCR camps, analyzing them in the lab, and training workers to test water supplies. The team will develop a worldwide database to identify contaminants and track water quality over time, addressing issues such as iodide and fluoride contamination.

SourceSouthern Methodist University·DateOct 19, 2011

Regenstrief Institute president to receive national recognition

William M. Tierney, Regenstrief Institute president and Indiana University School of Medicine associate dean, will receive the AMIA Morris F. Collen Award for his efforts to advance biomedical and health informatics. He has implemented and studied electronic health record systems globally, including in Africa.

SourceIndiana University School of Medicine·DateOct 19, 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.

Keeping acrylic paintings clean poses big challenges

Acrylic paints, famous for their fast-drying properties, pose significant challenges in cleaning due to their additive-rich composition. Researchers are exploring ways to rejuvenate these artworks without compromising their integrity.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateOct 19, 2011

Impact study: Princeton model shows fallout of a giant meteorite strike

Researchers at Princeton University have developed a new model that simulates the seismic fallout of a giant meteorite strike, showing that the impact's effects are scattered and unfocused, resulting in less severe ground displacement and tsunamis. The model also provides new insights into the surface and interior details of other plan...

SourcePrinceton University·JournalGeophysical Journal International·DateOct 19, 2011
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.

One size does not fit all for knee replacements and other medical devices

Researchers used mathematical models to assess knee replacement implants and found that older patients or those with multiple conditions may not benefit from incremental gains in implant durability. This highlights the need for personalized approach to medical device development and evaluation.

SourceYale University·JournalNew England Journal of Medicine·DateOct 19, 2011

Men win humor test (by a hair)

In the study, men edged out women by 0.11 points on a theoretically perfect score of 5.0, but only excelled with other male raters, highlighting that men's humor prowess is largely driven by social dynamics rather than inherent traits.

SourceUniversity of California - San Diego·JournalPsychonomic Bulletin & Review·DateOct 19, 2011

Putting light-harvesters on the spot

Researchers have found that a membrane protein interacts with a single soluble protein to anchor the subunits of light-harvesting complexes in the membrane. The new model proposes the formation of a pore for protein transport, supporting the integration into the membrane.

SourceRuhr-University Bochum·JournalJournal of Biological Chemistry·DateOct 19, 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.

New bacteria toxins against resistant insect pests

Scientists have developed two new Bt toxins, Cry1AbMod and Cry1AcMod, to overcome resistance in pest insects. These novel toxins are effective against five resistant species, including the diamondback moth and European corn borer.

SourceMax-Planck-Gesellschaft·JournalNature Biotechnology·DateOct 19, 2011

Moving poor women to lower-poverty neighborhoods improves their health

A new study found that low-income women with children who move from high-poverty to lower-poverty neighborhoods experience notable improvements in their health, including reductions in diabetes and extreme obesity. The study suggests that environments in low-income neighborhoods can contribute to poor health.

SourceUniversity of Chicago·JournalNew England Journal of Medicine·DateOct 19, 2011

Fiery volcano offers geologic glimpse into land that time forgot

Researchers have collected rare boninite lava at the West Mata volcano, providing valuable insights into the formation and evolution of subduction zones. The discovery offers a unique opportunity to study the chemical and mineralogical variations of this ancient rock type in a pristine specimen.

SourceUniversity of Washington·JournalNature Geoscience·DateOct 19, 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.

New study shows passing mood can profoundly alter 'rational decisions'

Researchers find that people's economic decisions change when survival or reproduction is on their minds. This contradicts the idea of humans making rational choices in finance, suggesting biases developed millions of years ago still affect us today. The study suggests these ancient biases can profoundly alter financial decisions over ...

SourceArizona State University·JournalJournal of Personality and Social Psychology·DateOct 19, 2011

New tool to help surgeons remove more cancer tissue during brain surgery

Scientists developed a new tool to identify cancerous and healthy brain tissue, allowing for more precise tumor removal and reduced risk of recurrence. The tool, combining an ultrasonic aspirator with a mass spectrometer, proved successful on human brain samples in half the time previously needed.

SourceAmerican Chemical Society·JournalAnalytical Chemistry·DateOct 19, 2011
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.

Time on your hands -- good or bad?

A balanced amount of spare time is crucial for happiness in a consumer society. Materialistic teenagers with compulsive buying issues need just the right amount of leisure time to feel happier. Moderate time affluence alleviates negative side effects of material values and compulsive buying on adolescent happiness.

SourceSpringer·JournalApplied Research in Quality of Life·DateOct 19, 2011

Improving training efficiency in horses

A study found that amino acid supplements can significantly reduce protein degradation in horse muscles after intense exercise. This could lead to an advantageous effect on muscle mass and improved training efficiency in sport horses.

SourceUniversity of Veterinary Medicine -- Vienna·JournalJournal of Animal Physiology and Animal Nutrition·DateOct 19, 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.

US rivers and streams saturated with carbon

Researchers found significant amounts of carbon in US streams and rivers, releasing into atmosphere before reaching coastal waters. This discovery could change how scientists model carbon movement among land, water, and atmosphere.

SourceU.S. National Science Foundation·JournalNature Geoscience·DateOct 19, 2011

Pre-term babies' exposure to steroids associated with impaired brain growth

A new UCSF-led study reveals that premature infants exposed to steroids after birth have 10% smaller cerebellar volumes, associated with impaired brain growth and motor development. The findings challenge the American Academy of Pediatrics' policy statement on low-dose glucocorticoids.

SourceUniversity of California - San Francisco·JournalScience Translational Medicine·DateOct 19, 2011

Research proposes common link between autism, diabetes

A study by Rice University biochemist Michael Stern suggests a possible link between Type 2 diabetes and autism due to impaired glucose tolerance and hyperinsulinemia. This common underlying mechanism may lead to the development of new treatments for autistic children, including low-carbohydrate diets.

SourceRice University·DateOct 19, 2011
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.

The cannabis genome: How hemp got high

Researchers have sequenced the DNA of a potent marijuana strain and compared it to hemp, revealing the genetic differences that lead to marijuana's psychoactive effects. The study found that domestication and breeding of marijuana strains resulted in the loss of an enzyme responsible for producing non-psychoactive compounds.

SourceBMC (BioMed Central)·JournalGenome Biology·DateOct 19, 2011
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.

Combination of available tests helps predict Alzheimer's disease risk

Researchers used a combination of MRI, cerebrospinal fluid, and neuropsychological testing to improve predictive accuracy for near-term dementia conversion. The test results were found to be almost perfect in predicting those who would not develop Alzheimer's disease in three years.

SourceUniversity of California - San Diego·JournalNeurology·DateOct 19, 2011

Forgetting is part of remembering

Research shows that forgetting can be beneficial for memory and problem-solving. By eliminating irrelevant information, we can better retain and recall important details. This phenomenon is particularly evident in situations where updating our knowledge becomes necessary.

SourceAssociation for Psychological Science·JournalCurrent Directions in Psychological Science·DateOct 18, 2011

Analyzing the sheep genome for parasite resistance

Geneticist Tad Sonstegard and his team identified quantitative trait loci (QTL) for resistance to gastrointestinal nematode parasites in African native sheep. The study found significant QTL on chromosomes 3, 6, 14, and 22 that can improve production of grazing animals.

SourceUnited States Department of Agriculture - Research, Education and Economics·JournalAnimal Genetics·DateOct 18, 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.

Detecting 'bath salts' designer drug

Researchers at Sam Houston State University are developing new methods to detect designer drugs like 'bath salts', which can produce powerful and unpredictable effects. The study uses solid phase extraction, chromatography, and spectroscopy to identify beta-keto amphetamines in biological samples.

SourceSam Houston State University·DateOct 18, 2011

Penn researchers demonstrate efficacy of non-Hodgkin's lymphoma vaccine

Researchers at the University of Pennsylvania have developed a new cell-based vaccine that shows promise in treating canine non-Hodgkin's lymphoma. The vaccine, which uses B-cells instead of dendritic cells, has been shown to increase overall survival time for dogs with the disease.

SourceUniversity of Pennsylvania·JournalPLOS ONE·DateOct 18, 2011

More evidence that allergies may help in fighting brain tumors

Researchers found a significant reduction in glioma risk among people with borderline elevated IgE levels. However, the protective effect couldn't be measured in people with higher IgE levels. The study suggests an immune response to allergies may affect brain tumors.

SourceBrown University·JournalJNCI Journal of the National Cancer Institute·DateOct 18, 2011