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Science News Archive 2011


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.

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.

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.

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.

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.

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.

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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

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.

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.

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.

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.

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 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.

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.

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.

Celestron NexStar 8SE Computerized Telescope

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

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...

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.

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.

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.

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.

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.

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.

Meta Quest 3 512GB

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

US home births increase 20 percent from 2004 to 2008

The study found a significant rise in US home births between 2004 and 2008, driven primarily by an increase in non-Hispanic white women's choices. Home birth rates for other groups remained low or showed little change.

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.

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.