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Science News Archive 2015 - Page 30


Page 30 of 402

Popping microbubbles help focus light inside the body

Researchers at Caltech developed a novel technique called TRUME that utilizes microbubbles to focus light inside biological tissue. The technique can be used as an effective 'guidestar' to target specific locations in tissues, enabling minimally invasive treatments such as tumor destruction and diagnostic imaging. This innovation has t...

SourceCalifornia Institute of Technology·JournalNature Communications·DateDec 2, 2015

Researchers develop antibody to save cancerous bones

A new antibody treatment has shown promise in blocking the process of bone degradation caused by osteosarcoma, a rare type of bone cancer. The treatment reduced bone degradation by up to 80% in a cancer mouse model, offering hope for reducing amputations among young patients.

SourceUniversity of Copenhagen, Biotech Research & Innovation Centre·JournalThe Journal of Pathology·DateDec 2, 2015

Conductor turned insulator amid disorder

Researchers have discovered a multifractal spatial structure in disordered materials that can turn them from conductors to insulators. This finding has significant implications for understanding the behavior of disordered materials, which are found in amorphous solids like glass and biological tissue.

SourceSpringer·JournalThe European Physical Journal B·DateDec 2, 2015
CalDigit TS4 Thunderbolt 4 Dock

CalDigit TS4 Thunderbolt 4 Dock simplifies serious desks with 18 ports for high-speed storage, monitors, and instruments across Mac and PC setups.

Little known about children living with HIV-infected adults in Africa

A new study estimates that up to 50% of children in Lesotho live in households with someone infected or are orphaned due to HIV/AIDS. The research highlights the substantial number of children affected by HIV-infected adults, often living with parents who are infected, and emphasizes the need for distinct care and outreach efforts.

SourceBrown University·JournalPLOS ONE·DateDec 2, 2015

Scientists discover that the immune system affects gut bacteria evolution

Researchers found that an impaired immune system alters the composition of gut bacteria and affects its evolutionary pace. The study suggests personalized therapies based on individual gut bacteria composition may be more effective than generalist treatments for inflammatory bowel disease.

SourceInstituto Gulbenkian de Ciencia·JournalNature Communications·DateDec 2, 2015
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.

Vessel speed biggest factor in noise affecting killer whales

A new study published in PLOS ONE reveals that vessel speed is the most influential factor in how much noise from boats reaches endangered killer whales. The research used digital acoustic recording tags and laser positioning system to track boat noise levels and found that speed was the main contributor.

SourceUniversity of Washington·JournalPLOS ONE·DateDec 2, 2015

Survival has improved for women with stage IV breast cancer

A study of over 20,000 women with stage IV breast cancer found improved survival rates, especially among those who received initial breast surgery. The median survival increased from 20 to 26 months, and age, tumor size, hormone receptor status, and year of diagnosis were associated with prolonged survival.

SourceJAMA Network·JournalJAMA Surgery·DateDec 2, 2015

What is the universe made of?

Researchers discovered the majority of missing ordinary matter in the universe, found in hot gas associated with intergalactic filaments. The study validates models of galaxy formation and could lead to a better understanding of heavy elements formed by stars since the beginning of the universe.

SourceUniversité de Genève·JournalNature·DateDec 2, 2015
Apple iPhone 17 Pro

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

Stock market bubbles: Investor emotions fuel the frenzy

Researchers found that investors who experienced intense positive emotions before trading were more aggressive and pushed prices up, while those with negative emotions proceeded cautiously. This study increases understanding of how bubbles work and highlights the importance of considering emotional triggers in asset price inflation.

SourceUniversity of California - Berkeley Haas School of Business·JournalReview of Finance·DateDec 2, 2015

Fast radio burst hints at its source

Researchers analyzed 700 hours of archival data to discover a burst of radio waves from six billion light years away. The region of space it came from was highly magnetized, suggesting it could be related to a supernova or nebula forming new stars.

SourceCIFAR·JournalNature·DateDec 2, 2015

Aloysius Helminck to receive 2016 AMS Distinguished Public Service Award

Helminck is honored for increasing the diversity of the mathematical research community through his work at North Carolina State University. He has successfully recruited and retained doctoral students from underrepresented groups, as well as directed programs to foster diversity in mathematics education.

SourceAmerican Mathematical Society·DateDec 2, 2015
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.

Twitter data can make roads safer during inclement weather

A University at Buffalo study uses Twitter data to enhance computer models guiding traffic during snowstorms and adverse weather. By analyzing over 360,000 tweets, researchers found that including such data improves the accuracy of models, particularly during peak tweeting hours and in densely populated areas.

SourceUniversity at Buffalo·JournalTransportation Research Record Journal of the Transportation Research Board·DateDec 2, 2015

Mitochondria affect stress responses

Research suggests that mitochondrial function affects hormonal, metabolic, and behavioral systems in response to mild stress. This discovery has implications for understanding the genetic basis of neuropsychiatric diseases and the role of stress in human health.

SourceChildren's Hospital of Philadelphia·JournalProceedings of the National Academy of Sciences·DateDec 2, 2015

Protecting the brain from Parkinson's disease

A study at Thomas Jefferson University has successfully increased the production of GM1 ganglioside in mice with Parkinson's disease. The researchers used an enzyme to convert naturally occurring ganglioside molecules into GM1, providing neuronal protection similar to direct GM1 injection.

SourceThomas Jefferson University·JournalPLOS ONE·DateDec 2, 2015

Trapping climate pollutant methane gas in porous carbon

Researchers develop methods to accurately simulate methane adsorption and desorption in porous carbon, relevant for energy research and climate change mitigation. The study used computational methods to analyze molecular interactions between methane and activated carbon, providing insights into preventing gas adsorption.

SourceSpringer·JournalThe European Physical Journal B·DateDec 2, 2015
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.

Healthful hemp poised to grow in US

The US hemp industry is expected to grow as the country's demand for healthful foods increases, thanks to the nutritional profile of hemp. The crop contains all nine essential amino acids, omega-6 and omega-3 fatty acids, and has been shown to have potential health benefits.

SourceAmerican Chemical Society·JournalChemical & Engineering News·DateDec 2, 2015

Antidepressant medication protects against compounds linked to dementia

A Loyola University Medical Center study found that antidepressant escitalopram reduces levels of two neurotoxic compounds associated with memory loss and dementia in severely depressed patients. The study suggests a potential link between depression and increased risk of neurodegenerative diseases.

SourceLoyola Medicine·JournalJournal of Psychiatric Research·DateDec 1, 2015

Unfriending on Facebook more likely from politically active users

A study published in Journal of Communication found that 16% of Jewish Israeli Facebook users unfriended friends during the Israel-Gaza conflict due to political comments. Users who unfriended were more likely to be ideologically extreme and less supportive of free speech.

SourceInternational Communication Association·JournalJournal of Communication·DateDec 1, 2015

New technology selects high-affinity proteins

Researchers at Kobe University and AIST in Japan developed a technology to select high-affinity proteins that bind with membrane proteins, a key feature in controlling physiological functions. This discovery has potential applications in the development of new biopharmaceuticals for various drug targets, including cancer treatment.

SourceKobe University·JournalScientific Reports·DateDec 1, 2015
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.

Inequalities in alcohol-related mortality in Europe

A European study reveals alcohol-related conditions significantly contribute to socioeconomic inequality in total mortality among men in some countries. Rates of alcohol-related mortality are highest in individuals with less education or manual occupations across 17 European countries. The disparities are particularly pronounced in Eas...

SourcePLOS·JournalPLOS Medicine·DateDec 1, 2015
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.

Optimal country-level C-section rate may be as high as 19 percent

A new study found that as country-level C-section rates increase up to 19%, maternal and neonatal mortality rates decline, while rates above 19% show no further improvement. The World Health Organization's recommended rate of 10-15% may be too low.

SourceHarvard T.H. Chan School of Public Health·JournalJAMA·DateDec 1, 2015

Adults with cerebral palsy more likely to have chronic health conditions

A recent study published in JAMA Network reveals that adults with cerebral palsy (CP) are more likely to develop chronic health conditions such as asthma, hypertension, and arthritis. The study found significant differences in age-adjusted prevalence rates of these conditions between adults with CP and those without CP.

SourceJAMA Network·JournalJAMA·DateDec 1, 2015

New diaphragms grown from stem cells offer hope of a cure for common birth defect

Researchers at Karolinska Institutet have successfully engineered new diaphragm tissue in rats using stem cells and 3D scaffolds, which can regrow with the same complex mechanical properties as natural diaphragm muscle. The technique offers hope for a cure for congenital diaphragm malformations and possible future heart muscle repairs.

SourceKarolinska Institutet·JournalBiomaterials·DateDec 1, 2015

Theory of 'smart' plants may explain the evolution of global ecosystems

Researchers propose that plants 'decide' to thrive in certain environments, influencing biome productivity and composition. Nitrogen-fixing trees, which produce their own fertilizer, flourish in tropical zones but struggle in temperate forests, highlighting the importance of plant strategy in ecosystem evolution.

SourcePrinceton University·JournalNature Plants·DateDec 1, 2015
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.

System boosts resolution of commercial depth sensors 1,000-fold

By exploiting polarization of light, MIT researchers have developed a system that can increase the resolution of conventional 3D imaging devices up to 1,000 times. The technique uses coarse depth estimates and real-time calculations to provide high-quality 3D images.

SourceMassachusetts Institute of Technology·DateDec 1, 2015

Biophysicists develop a model for arterial thrombus formation

Researchers created a one-dimensional model of thrombus formation, similar to Tetris, and later expanded to a two-dimensional model. This allows them to study the dynamics of thrombus growth under various conditions, including damage to the vascular wall.

SourceMoscow Institute of Physics and Technology·JournalPLOS ONE·DateDec 1, 2015

Negative news stories about statins are linked to people discontinuing treatment

Researchers found a strong association between negative news stories about statins and early discontinuation, increasing the risk of heart attacks and cardiovascular mortality. The study suggests that exposure to negative news can play a role in patients' decisions to stop taking their medication.

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal·DateDec 1, 2015
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.

Higher cigarette taxes linked to fewer infant deaths

A new study found that higher cigarette taxes are strongly associated with lower infant mortality rates in the US. The association is stronger for African American infants than non-Hispanic white infants, which has implications for reducing disparities in infant mortality between the two groups.

SourceVanderbilt University Medical Center·JournalPEDIATRICS·DateDec 1, 2015

Why Europe will soon be cold?

Russian scientists have predicted a decrease in solar magnetic activity, which could lead to cooler temperatures in Europe. The researchers used analysis of solar radiation and isotopes to create a model that predicts the Sun's behavior over the next thousand years.

SourceLomonosov Moscow State University·JournalScientific Reports·DateDec 1, 2015

Cognitive-behavioral stress management in breast cancer

A randomized trial shows that cognitive-behavioral stress management improves survival and lengthens time to recurrence in women diagnosed with breast cancer. Women who received stress management training experienced greater length of survival and longer time till disease recurrence over eight to 15 years after diagnosis.

SourceUniversity of Miami·JournalBreast Cancer Research and Treatment·DateDec 1, 2015
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.

An online game reveals something fishy about mathematical models

Researchers from Uppsala University implemented a Turing test to assess how good their mathematical models were at reproducing collective motion of real fish schools. Despite matching statistical properties, experts and public players could differentiate between simulated and real schools, highlighting areas for improvement.

SourceUppsala University·JournalBiology Letters·DateDec 1, 2015

Chemotherapy can cause tumor evolution

Researchers at National Research Tomsk State University found that neoadjuvant chemotherapy can stimulate evolution of the tumor, leading to resistance and metastasis. The study analyzed biopsies from women with breast cancer before and after surgery, revealing a 23% increase in new tumor formation.

SourceNational Research Tomsk State University·JournalSiberian Journal of Oncology·DateDec 1, 2015

HIV/AIDS drugs interfere with brain's 'Insulation,' Penn-CHOP team shows

Researchers discovered that antiretroviral therapies can interfere with myelin production in the brain, leading to cognitive impairments. The study suggests a need for rethinking HIV drug design and prescription, particularly for children, to improve patient outcomes.

SourceUniversity of Pennsylvania·JournalJournal of Neuropathology & Experimental Neurology·DateDec 1, 2015
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.

Camouflaged cuttlefish employ electrical stealth

Cuttlefish use electrical fields to mask their presence from sharks, reducing the bioelectric field by up to 89% when arms are over siphons. This technology is used in combination with visual camouflage to protect against predation.

SourceDuke University·DateDec 1, 2015

Eliminating 'springback' to help make environmentally friendly cars

Hiroshima University researchers develop a new technique to prevent 'springback' in press-forming high-strength steel, a common problem that causes defects and environmental concerns. By eliminating this issue, they enable the mass production of lightweight cars with reduced emissions.

SourceHiroshima University·JournalJournal of Materials Processing Technology·DateDec 1, 2015

Photonic 'sintering' may create new solar, electronics manufacturing technologies

Researchers at Oregon State University have discovered a fundamental flaw in the physics of photonic sintering, leading to improved product quality and process efficiency. The new understanding allows for high-quality products to be created at much lower temperatures, twice as fast and with 10 times more energy efficiency.

SourceOregon State University·JournalScientific Reports·DateDec 1, 2015
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.

Poor countries are hardest hit by tobacco marketing

A recent study reveals that poor countries are exposed to more aggressive tobacco marketing than affluent nations, with the majority of sales in low-income countries occurring through single cigarettes. This intense marketing can lead to a higher likelihood of young people starting to smoke and becoming lifelong smokers.

SourceBulletin of the World Health Organization·JournalBulletin of the World Health Organization·DateDec 1, 2015

Animal evolution: Revolution averted

A recent study by an international group of evolutionary biologists has convincingly refuted the proposition that comb jellies are the phylogenetically oldest extant metazoan group. Sponges are now reaffirmed as the first phylum to diverge from the common ancestor of metazoans, restoring the classical view of early animal evolution.

SourceLudwig-Maximilians-Universität München·JournalProceedings of the National Academy of Sciences·DateDec 1, 2015
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.

Magnesium ions show promise in slowing progression of Alzheimer's disease in mice

Researchers found that magnesium-L-threonate alleviated cognitive decline in mouse models of Alzheimer's disease by suppressing Aβ deposition. The study suggests that magnesium ions target APH-1α/1β, inhibiting the aggregation of β-amyloid protein and resulting in improved cognitive function.

SourceFederation of American Societies for Experimental Biology·JournalThe FASEB Journal·DateDec 1, 2015

Xbox gaming technology may improve X-ray precision

Researchers at Washington University School of Medicine have developed a new approach to imaging patients using Xbox gaming technology, which measures body-part thickness and checks for motion before taking X-rays. The technology aims to produce high-quality X-ray images at low radiation doses without repeating images.

SourceWashington University in St. Louis·DateDec 1, 2015

A radical signal to the progeny

Researchers at Ghent University found a worm globin protein that generates free radical signals, which are essential for reproductive cell generation and regulation of hydrogen peroxide concentrations. Genetic knockdown of the new globin results in sterility, suggesting a crucial role for this signaling process in biology.

SourceGhent University·JournalNature Communications·DateDec 1, 2015

Important step toward preventing and treating some MRSA post-implant infections

Researchers have identified a new way in which methicillin-resistant Staphylococcus aureus (MRSA) exploits the body's own immune system to persist in infected tissues. By understanding this process, new treatments may be developed to reduce complications from infection after prosthetic surgery.

SourceFederation of American Societies for Experimental Biology·JournalJournal of Leukocyte Biology·DateDec 1, 2015
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.