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Science News Archive 2011 - Page 193


Page 193 of 311

Whites believe they are victims of racism more often than blacks

According to a new study from Tufts University researchers, whites now perceive anti-white racism as a bigger problem than anti-black racism. Whites agree that anti-black racism has decreased over the last 60 years, while also believing that anti-white racism has increased and is now prevalent.

SourceTufts University·JournalPerspectives on Psychological Science·DateMay 23, 2011
Apple iPhone 17 Pro

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

Discovery of canine hepatitis C virus opens up new doors for research on deadly human pathogen

Researchers have identified a novel hepatitis C-like virus in dogs, providing new insights into the origins of the human disease. The discovery offers renewed hope for developing a model system to study HCV's mechanisms and may lead to the development of drugs and vaccines.

SourceColumbia University's Mailman School of Public Health·JournalProceedings of the National Academy of Sciences·DateMay 23, 2011

Common test could help predict early death in diabetes, study shows

A common CT scan test could help identify individuals with diabetes at high risk of early death, who may benefit from targeted medical care and interventions. Researchers found that those with higher levels of calcified plaque buildup in their blood vessels were more than six times more likely to die prematurely.

SourceAtrium Health Wake Forest Baptist·JournalDiabetes Care·DateMay 23, 2011
Aranet4 Home CO2 Monitor

Aranet4 Home CO2 Monitor tracks ventilation quality in labs, classrooms, and conference rooms with long battery life and clear e-ink readouts.

Novel man-made material could facilitate wireless power

Electrical engineers at Duke University have created a unique metamaterial that theoretically enables efficient wireless power transmission to small and large devices. The material refocuses energy transmitted between devices, reducing power loss and enabling longer-distance energy transfer.

SourceDuke University·JournalPhysical Review B·DateMay 23, 2011

Just 4 percent of galaxies have neighbors like the Milky Way

Researchers found that just four percent of galaxies are similar to the Milky Way, with two satellites as bright and close by as the Magellanic Clouds. The study used data from the Sloan Digital Sky Survey and computer simulations to understand how the Milky Way fits into the broader context of the universe.

SourceU.S. National Science Foundation·DateMay 23, 2011

Eggs, butter, milk -- memory is not just a shopping list

A cognitive psychologist urges memory researchers to consider the complexity of human memory, arguing that simple experimental tasks can oversimplify its nature. He highlights the importance of involuntary reminding, which creates a coherent record of our interactions with the environment.

SourceAssociation for Psychological Science·JournalPerspectives on Psychological Science·DateMay 23, 2011

Improving health assessments with a single cell

Researchers have developed a new microchip that can quickly and inexpensively assess immune function by examining biomarkers from single cells. The technology has the potential to be used routinely to monitor immune system performance and evaluate the effectiveness of certain classes of therapeutics, such as vaccines and immunotherapies.

SourceCalifornia Institute of Technology·JournalNature Medicine·DateMay 23, 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.

Mummies tell history of a 'modern' plague

An analysis of ancient Nubian-era mummies found that human alteration of the environment contributed to the spread of schistosomiasis, a water-borne parasitic disease infecting an estimated 200 million people today. The study suggests that ancient individuals were capable of altering their environment in ways that impacted their health.

SourceEmory Health Sciences·JournalAmerican Journal of Physical Anthropology·DateMay 23, 2011

Protein from probiotic bacteria may alleviate inflammatory bowel disorders

Researchers discovered a protein isolated from beneficial bacteria, called p40, that supports intestinal epithelial cell growth and function, reducing inflammatory responses. Oral consumption of p40 prevented and treated colitis in animal models, providing a potential new therapeutic option for IBD.

SourceVanderbilt University Medical Center·JournalJournal of Clinical Investigation·DateMay 23, 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.

Shave biopsy is a safe and acceptable method for initial evaluation of melanoma

A study published in the Journal of the American College of Surgeons found shave biopsies to be a safe and accurate method for initial evaluation of melanoma. The study analyzed 600 consecutive patients who underwent shave biopsies, revealing that 97% of the results were accurate in determining T-stage and depth data.

SourceWeber Shandwick Worldwide·JournalJournal of the American College of Surgeons·DateMay 23, 2011

Low-risk patients screened for heart disease tend to receive more preventive care and testing

A study published in Archives of Internal Medicine found that low-risk patients who underwent coronary computed tomographic angiography (CCTA) screening were more likely to receive medications and undergo additional testing. However, their cardiac event rates did not significantly differ from those who did not undergo screening.

SourceJAMA Network·JournalArchives of Internal Medicine·DateMay 23, 2011

Dr. Knut Stamnes at Stevens receives NASA grant for environmental monitoring

The grant enables scientists to monitor the world's oceans and track changes in coastal or maritime systems, supporting a more sophisticated understanding of global climate change. Dr. Stamnes' algorithms will also aid in exploring issues related to polarization, scattering, and refraction of light in atmosphere-ocean systems.

SourceStevens Institute of Technology·DateMay 23, 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.

What doesn't kill the brain makes it stronger

A Johns Hopkins team has identified a newly discovered protein called Iduna that protects the brain against stroke and neurologic disorders. The protein works by interrupting a cascade of molecular events that result in cell death, and its presence increases three- to four-fold in preconditioned mouse brain tissue.

SourceJohns Hopkins Medicine·JournalNature Medicine·DateMay 23, 2011

Fungi reduce need for fertilizer in agriculture

Mycorrhizal fungi can increase plant growth with less phosphate fertilizer, solving a pressing challenge for global food production. Researchers have discovered that using mycorrhizal fungus gel can produce the same yield as traditional farming with up to half less phosphate fertilizer.

SourceAmerican Society for Microbiology·DateMay 23, 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.

NIH scientists identify most proteins made by parasitic worm

A team of NIH scientists has identified the most proteins produced by Brugia malayi, a parasitic worm that causes lymphatic filariasis. The findings may lead to the development of new vaccines and treatments for the disease, which can cause severely disabling swelling in the lower limbs.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalProceedings of the National Academy of Sciences·DateMay 23, 2011

To bluff, or not to bluff? That is the question

A University of Miami economist applied modern-day game theory techniques to examine famous military bluffs and find that bluffing was the optimal strategy in each situation. The study used signaling games to model the legends of Li Guang and Zhuge Liang, finding that uncertainty was key to avoiding confrontation.

SourceUniversity of Miami·JournalJournal of Peace Research·DateMay 23, 2011
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.

Scientists find new drug target in breast cancer

Scientists have discovered a protein involved in drug resistance in breast cancer, which could be targeted for new treatments. Blocking the production of this protein in human cells made them more responsive to anti-oestrogen drugs.

SourceImperial College London·JournalNature Medicine·DateMay 22, 2011
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.

Human brain's most ubiquitous cell cultivated in lab dish

Astrocytes, the most common cell in the human nervous system, have been cultivated in a lab dish using embryonic and induced human stem cells. This breakthrough allows researchers to better understand their functions and develop new therapies for neurological disorders such as dementia and Parkinson's disease.

SourceUniversity of Wisconsin-Madison·JournalNature Biotechnology·DateMay 22, 2011

Telemonitoring can improve overall survival of HF patients

Recent meta-analyses show telemedical monitoring can improve overall survival by 17-47% in CHF patients. Two trials presented at the Heart Failure Congress 2011 found benefits in specific subgroups, including those with prior decompensation and no depression.

SourceEuropean Society of Cardiology·DateMay 22, 2011

A study opens the possibility of developing a preventive vaccine against HIV/AIDS

Researchers from IDIBAPS have conducted a study on HIV-infected patients with undetectable viral load, finding that they can induce a broad and strong humoral immune response. The percentage of treated and untreated patients generating broad-spectrum neutralizing antibodies was very similar, suggesting a potential preventive vaccine ba...

SourceIDIBAPS - Institut d'Investigacions Biomèdiques August Pi i Sunyer·JournalJournal of Virology·DateMay 22, 2011

Scientists find odd twist in slow 'earthquakes': Tremor running backwards

Researchers found that episodic tremors can reverse direction and travel back through fault lines much faster than the original rupture. The event was observed in the Pacific Northwest region, particularly in Washington state, and released as much energy as a magnitude 6.8 earthquake.

SourceUniversity of Washington·JournalNature Geoscience·DateMay 22, 2011
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.

Study of stem cell diseases advanced by new Stanford technique

Researchers at Stanford University School of Medicine used undifferentiated induced pluripotent stem cells to study dyskeratosis congenita, a rare genetic disease. They found that the activity of telomerase, an enzyme critical to aging and cell renewal, is correlated with the severity of symptoms.

SourceStanford Medicine·JournalNature·DateMay 22, 2011

UBC-led team develops platform to monitor hematopoietic stem cells

A UBC-led team has developed an automated microfluidic cell culture platform to study hundreds of hematopoietic stem cells at the single cell level. The new tool provides insights into HSC survival and growth factor requirements, with applications in drug development, clone selection, and culture optimization.

SourceUniversity of British Columbia·JournalNature Methods·DateMay 22, 2011

Gulf currents primed bacteria to degrade oil spill

A new computer model simulates how Gulf currents enabled marine microorganisms to degrade oil spills more quickly. The 'dynamic auto-inoculation' process activated microbes, increasing bacterial populations and degrading hydrocarbons.

SourceAmerican Society for Microbiology·DateMay 22, 2011

Ulcer bacteria may contribute to development of Parkinson's disease

A study found that infection with the bacteria Helicobacter pylori can lead to Parkinson's disease symptoms in mice, and researchers suggest that this may be due to a modified cholesterol produced by the bacteria. The findings could have implications for understanding the development of neurodegenerative disorders.

SourceAmerican Society for Microbiology·DateMay 22, 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.

Genomics and social network analysis team up to solve disease outbreaks

Researchers used whole genome sequencing and social network analysis to track a tuberculosis outbreak in British Columbia, identifying key individuals as superspreaders and behaviors contributing to the outbreak. The technique allowed public health officials to reconstruct outbreaks and understand how pathogens move through populations.

SourceAmerican Society for Microbiology·DateMay 22, 2011

Heart Failure: Targeting the right patients for CRT-D

Patients with mild to moderate dyssynchrony and preserved contractile function benefit most from CRT-D, according to the latest MADIT-CRT trial analysis. The study found that improvements in synchrony and contractile function are associated with reduced death and heart failure events.

SourceEuropean Society of Cardiology·DateMay 22, 2011

A direct path for understanding and treating brittle bones

Researchers identified the Lrp5 gene's crucial role in bone growth and density, providing a new strategy for treating diseases like osteoporosis. The study also found that targeting mature bone cells might increase bone mass and treat conditions like osteogenesis imperfecta.

SourceBoston Children's Hospital·JournalNature Medicine·DateMay 22, 2011

Mushroom compound suppresses prostate tumors

Researchers at Queensland University of Technology found a mushroom compound, polysaccharopeptide (PSP), to be 100% effective in suppressing prostate tumor development in mice. PSP targets prostate cancer stem cells and prevents tumour formation without causing side effects.

SourceQueensland University of Technology·JournalPLOS ONE·DateMay 22, 2011
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.

EMPHASIS HF: Study shows epleronone to reduce atrial fibrillation

A sub-analysis of the EMPHASIS-HF trial found eplerenone significantly reduced new onset atrial fibrillation and flutter in patients with class 2 heart failure. The benefits of eplerenone were similar in patients with and without atrial fibrillation at baseline.

SourceEuropean Society of Cardiology·JournalNew England Journal of Medicine·DateMay 22, 2011

The dance of the cells: A minuet or a mosh?

Scientists at Harvard School of Public Health discovered that cells exert forces on their neighbors, leading to a cooperative yet chaotic migration. The study found that collective cellular migration is not a smooth process, but rather an 'organized chaos' with pushing and pulling in all directions.

SourceHarvard T.H. Chan School of Public Health·JournalNature Materials·DateMay 22, 2011

DFG establishes 18 new research training groups

The Deutsche Forschungsgemeinschaft (DFG) is establishing 18 new Research Training Groups, focusing on various fields such as astro-particle physics, globalization, and knowledge transfer. The groups will provide early-career researchers with intensive mentoring and opportunities for collaboration.

SourceDeutsche Forschungsgemeinschaft·DateMay 20, 2011

Ants give new evidence for interaction networks

Researchers Anna Dornhaus and Benjamin Blonder found that ant colonies exhibit unique behavior, contradicting the assumption of universal properties in self-directed networks. The study recorded over 9,000 interactions between individual ants, providing insight into complex communication within the colony.

SourceUniversity of Arizona·JournalPLOS ONE·DateMay 20, 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.

Exploring the market for 3-D nanopatterning techniques

The NAPANIL project explores the potential of 3D nanoimprinting techniques in various applications, including optics, life sciences, and industry. The project aims to bridge the gap between basic research and industrial uptake, with a focus on cost-efficient products and novel functionalities.

SourceCatalan Institute of Nanoscience and Nanotechnology (ICN2)·DateMay 20, 2011

Species reemergence after collapse: Possible but different

A new mathematical model shows that species pairs can reemerge after collapse if the disturbance is removed. Hybridization between closely-related species can lead to population decline and biodiversity loss. The study suggests that ecosystem managers may be able to refill ecological niches, but not resurrect lost species.

SourceNational Institute for Mathematical and Biological Synthesis (NIMBioS)·JournalEvolution·DateMay 20, 2011

First analysis of invasive plant impacts worldwide

A global analysis of invasive plant impacts found that 135 species cause a 40% reduction in native plant abundance and a 50% decrease in species diversity. This study highlights the context-dependent nature of invasions, with impacts varying by species traits, ecosystem type, and duration.

SourcePensoft Publishers·JournalEcology Letters·DateMay 20, 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.

Research provides insight into quality of stored blood used for transfusions

New research provides evidence for the significant differences between new and old red blood cells used for transfusions. The study found that older red blood cells have undergone 'significant changes and damage', compromising their cell membrane integrity, making them not useful for transfusions.

SourceUniversity of Cambridge·JournalJournal of Cellular and Molecular Medicine·DateMay 20, 2011

Spiders suffer from human impact

A recent study published in Biological Conservation found that spider populations are negatively affected by human activities such as habitat fragmentation, fire, and pesticides. The research, which analyzed 173 scientific papers, suggests that spiders are not exempt from the risks caused by human action.

SourceSpanish Foundation for Science and Technology·JournalBiological Conservation·DateMay 20, 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.