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Science News Archive 2012


Page 151 of 333

Global Budget Payment Model lowers medical spending, improves quality

A new study found that global budgets for healthcare can slow the growth of medical spending while improving quality of care. The Blue Cross Blue Shield Alternative Quality Contract program in Massachusetts achieved significant savings and quality improvements, with provider groups seeing reductions of up to 9.9% in medical spending.

Down on the cacao farm: Sloths thrive at chocolate's source

Researchers studying sloths on a shade-grown cacao farm in Costa Rica are gaining insights into their mating habits, behavior, and ecological parameters. The study reveals that sloths tend to disperse from home range and have multiple partners, and the cacao farm provides an ideal habitat for these animals.

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.

Ancient domesticated remains are oldest in southern Africa

Researchers have discovered ancient domesticated caprines at Leopard Cave in Namibia, dated to the end of the first millennium BC. The findings provide new insights into the origins of domestication and herding practices in southern Africa.

Queen's University scientist awarded top prize

Geetha Srinivasan wins prestigious L'Oréal-UNESCO UK and Ireland Fellowship to continue research on enabling biomedical applications of ionic liquids. The £15,000 award supports flexible financial help for her work, promoting women's participation in science.

Trigger for past rapid sea level rise discovered

Researchers at the University of Bristol used climate and ice sheet models to identify the cause of rapid sea level rise in the past. They found that a process called 'saddle-collapse' led to two major events, including the 14,600-year-old Meltwater pulse 1a event, which resulted in a 9m sea level rise.

Apple iPhone 17 Pro

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

ATP splitting in membrane protein dynamically measured for the first time

Researchers from RUB have dynamically measured ATP splitting in membrane protein MsbA for the first time, tracking minute changes in the protein and its interaction with ATP. This study provides important clues on how the protein moves during ATP hydrolysis, laying the foundation for further investigation into whole membrane proteins.

Toward new drugs for the human and non-human cells in people

Scientists are developing new medicines to target both human and non-human cells in the body, based on a paradigm shift in understanding the human body as a complex ecosystem. This approach, called functional metagenomics, has the potential to treat diseases with substances that affect non-human cells.

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.

True blood: SLU scientist investigates clotting factors

A Saint Louis University scientist is working to harness the anti-inflammatory activity of antithrombin to reduce the incidence and severity of heart disease. He has also been studying the control of blood clotting factors for 23 years, with a focus on improving the effectiveness of activated protein C.

Smart Materials get SMARTer

Researchers at University of Pittsburgh and Harvard University created self-regulating microscopic materials that can continuously sense and regulate temperature. The new material, called SMARTS, offers a customizable way to trigger chemical reactions on cue and reproduce stable feedback loops found in biological systems.

Using biomarkers to identify and treat schizophrenia

Researchers at the University of California, San Diego School of Medicine have identified laboratory-based biomarkers that can help understand brain-based abnormalities in schizophrenia. These endophenotypes could provide clinicians with reliable indicators of brain dysfunction, even when overt symptoms are not apparent.

It's not just lunch

A study published in PLOS ONE found that sharing a meal with a former romantic partner is more likely to make the current partner jealous than other activities. The researchers also found no significant differences in jealousy reported by male and female participants.

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.

Silver nanoparticle synthesis using strawberry tree leaf

Researchers have developed a simple, low-cost method to synthesize silver nanoparticles using strawberry tree leaf extract. The technique allows for control over nanoparticle size and geometry, resulting in stable particles that remain effective for up to 6 months.

New study suggests moderate alcohol consumption may help prevent bone loss

A new study suggests that moderate drinking as part of a healthy lifestyle may benefit postmenopausal women's bone health by reducing the risk of osteoporosis. The researchers found an increase in blood markers of bone turnover after just two weeks of abstinence, but this effect reversed shortly after resumption of normal drinking habits.

Mutations in autism susceptibility gene increase risk in boys

Researchers identified five rare mutations in the AFF2 gene that appear to increase the chances a boy will develop an autism spectrum disorder (ASD). Mutations in X chromosome genes affect four times more boys than girls. The study bolsters a growing consensus that rare variants contribute significantly to ASD risk.

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.

Mayo Clinic finds switch that lets early lung cancer grow unchecked

Researchers at Mayo Clinic found that early-stage lung cancer cells use a biological process called epithelial-mesenchymal transition (EMT) to bypass growth controls and enable uncontrolled growth. This discovery offers new clues for a potential approach to treating lung and possibly other cancers as early as possible.

Scripps Research Institute wins $77 million to develop AIDS vaccine center

The Scripps Research Institute has been awarded a grant to develop a vaccine against HIV and the disease it causes, AIDS. The Center for HIV/AIDS Vaccine Immunology & Immunogen Discovery (CHAVI-ID) will conduct multidisciplinary research into immune responses that prevent infection or control the virus in infected individuals.

Genetics Society of America's Genetics journal highlights for July 2012

The July 2012 Genetics Society of America's journal features research on increasing association mapping power and resolution in mouse genetic studies through meta-analysis for structured populations. The study also explores the properties and power of a Drosophila Synthetic Population Resource for dissecting complex traits.

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.

Dark galaxies of the early Universe spotted for the first time

Astronomers have spotted the first direct detection of dark galaxies in the early Universe, shedding light on these elusive objects. The team used a bright quasar to illuminate gas-rich galaxies, revealing their existence and properties, including suppressed star formation efficiency.

Decline of immune system with aging may have a genetic cause

A study published in the Genetics Society of America's journal found that genes responsible for immune response at youth are almost completely different from those in middle age. This discovery opens doors to understanding genetic interactions underlying why older people struggle more with infections.

Want to get teens interested in math and science? Target their parents

A new study published in Psychological Science found that parental involvement can significantly increase the number of students enrolled in STEM courses. The intervention involved sending parents glossy brochures and a dedicated website to promote STEM education, resulting in more advanced math and science classes taken by participati...

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.

Making 'renewable' viable

Researchers from Drexel University have developed a novel electrochemical flow capacitor that combines the strengths of batteries and supercapacitors, addressing scalability issues. The technology allows for rapid charging and discharging ability, enabling efficient storage and delivery of renewable energy.

Identifying risky behaviors: The key to HIV prevention

A study proposes a framework for complementary prevention by targeting specific subgroups with tailored interventions. The research finds that 'treatment as prevention' needs to consider the full range of HIV-risk behaviors.

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.

Alzheimer's plaques in PET brain scans identify future cognitive decline

A new study has found that patients with mild or no cognitive impairment can be identified as at risk of developing Alzheimer's disease through a PET brain scan using a radioactive dye. The study, led by researchers at Duke University Medical Center, shows that the presence of amyloid plaques in the brain can predict future decline.

Stress reduction therapy prevents MS brain lesions

A weekly stress management program for patients with multiple sclerosis prevented the development of new brain lesions, a marker of the disease's activity in the brain. The study showed that stress management therapy reduced two types of new brain lesions common in multiple sclerosis.

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.

Giving ancient life another chance to evolve

Researchers inserted ancient gene into modern-day E. coli and observed its evolution over 1,000 generations. The results showed that the ancient gene did not mutate to become more similar to its modern form, but rather the bacteria adapted through novel mutations.

UK nanodevice builds electricity from tiny pieces

Researchers at the National Physical Laboratory have created an electron pump nano-device that can manipulate individual electrons to create a well-defined electrical current. The device achieves this by speeding up the rate of pumping electrons while maintaining accuracy, surpassing previous records.

OxyContin formula change has many abusers switching to heroin

Researchers found that OxyContin's abuse-deterrent formulation significantly reduced inhalation and injection, prompting users to switch to heroin. The study reveals a surge in heroin use across the US, with overdose risks increasing due to dealers cutting heroin with other substances.

Anxiety linked to shortened telomeres, accelerated aging

A study by researchers at Brigham and Women's Hospital found that phobic anxiety is associated with shortened telomeres, a marker of biological aging. This association suggests that phobic anxiety may be a risk factor for accelerated aging, linked to increased risks of cancers, heart disease, dementia, and mortality.

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.

Eye movement direction not correlated with lying

A widely-held belief that certain eye movements indicate lying has been debunked in a new study published in PLOS ONE. The researchers found no correlation between eye movement direction and truthfulness, challenging existing approaches to detecting deceit.

2 proteins offer a 'clearer' way to treat Huntington's disease

Researchers at the University of California, San Diego have identified two key regulatory proteins critical to clearing away misfolded proteins that accumulate and cause neurodegeneration in Huntington's disease. PGC-1alpha and TFEB provide a new therapeutic target for treating the disease, offering hope for its treatment.

Smart materials get SMARTer

Scientists develop SMARTS, a customizable platform for autonomously regulating chemical reactions and temperature, mimicking biological systems. The material's dynamic feedback loops enable it to sense and modulate desired stimuli without external power, paving the way for intelligent medical implants and efficient buildings.

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.

Ions, not particles, make silver toxic to bacteria

Researchers found that silver nanoparticles are less toxic to bacteria than their released ions. The team's study suggests that controlling the rate of ion release can enhance antibacterial properties and mitigate environmental impacts. They also discovered hormesis, where low doses of silver ions stimulate bacterial growth.

UW scientists discover why human body cannot fight HIV infection

Researchers found that the HIV protein vpu interferes with the immune response protein IRF3, dampening the ability of the immune system to protect against virus infection. This discovery could lead to the development of new antiviral therapeutics that target this interaction.

Celestron NexStar 8SE Computerized Telescope

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

Hubble discovers a fifth moon orbiting Pluto

The discovery of the new moon provides additional clues for unraveling how the Pluto system formed and evolved. The team is using Hubble's powerful vision to scour the Pluto system to uncover potential hazards to NASA's New Horizons spacecraft.

How metastasizing cancer cells enter organs

Physiologists and neuropathologists from the University of Zurich have identified the origin of metastasis formation in intestinal cancer cells. Cancer cells manipulate specific doorman receptors on blood vessel endothelium to enter other organs via bloodstream.

Gastric bypass surgery alters gut microbiota profile along the intestine

A new study found that gastric bypass surgery changes the gut microbiota composition in rats, increasing beneficial bacteria and altering peptide release. This shift resembles prebiotic treatment effects, suggesting a potential link between postsurgical gut modulations and improved metabolic outcomes.

New book inspires children to protect dugongs

Dr Mariana Fuentes' new book 'Dhyum the Dugong' takes readers on a journey through the life of a real dugong in the Torres Strait. The book aims to educate young Australians about the importance of protecting these endangered marine mammals.

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.

Preclinical studies use specialized ultrasound to detect presence of cancer

Researchers at UNC Health Care developed a non-invasive ultrasound method to detect cancer using blood vessel 'tortuosity.' This technique filters out tissue signals, allowing for clear visualization of small blood vessels. The study found a definitive difference between tumor and healthy vasculature, with limitations in detection depth.

NIH study shows the deaf brain processes touch differently

Research funded by NIH shows that deaf people use auditory cortex for touch processing and visual stimuli more than hearing people. The finding suggests that the brain adapts and takes on additional sensory tasks in response to early loss of a sense, such as hearing.