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Science News Archive September 2011


Page 3 of 29

Americans move dramatically toward acceptance of homosexuality

Public attitudes toward gays and lesbians are changing to reflect greater acceptance, with younger generations at the forefront. A significant trend toward greater tolerance regarding homosexuality has emerged, particularly in support for same-sex marriage.

MVA-B Spanish HIV vaccine shows 90 percent immune response in humans

The MVA-B vaccine has been shown to induce an 90% immune response in humans against Human's immunodeficiency virus (HIV), with 85% of volunteers maintaining this response for at least one year. The vaccine works by training the immune system to recognize and respond to HIV particles and infected cells.

Apple iPhone 17 Pro

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

Alcohol-related behavior changes -- blame your immune system

A new study found that blocking Toll-like receptors reduces the effects of alcohol on the brain, which could lead to treatments for alcohol dependence and acute overdoses. This shift in understanding may help identify individuals at risk of brain damage after long-term drinking.

End-of-life discussions do not affect survival rates, study shows

A new study published in Journal of Hospital Medicine found that discussing end-of-life care with physicians does not affect survival rates. Patients who have advance directives in their medical records also have similar survival rates as those without these discussions and documents.

Vital protein complex and therapeutic possibilities revealed

Three international teams describe in unprecedented detail the workings of G protein-coupled receptors (GPCRs), a major molecular target for drugs. GPCRs are essential to human life, involved in almost every physiological function, and malfunctions have been linked to dozens of diseases.

Popular colorectal cancer drug may cause permanent nerve damage

Researchers at Johns Hopkins Medicine found that oxaliplatin, a widely used chemotherapy drug for colorectal cancer, causes permanent nerve damage in some patients. A new study suggests using simple skin biopsies to track nerve cell degeneration and develop new treatments to prevent or slow the damage.

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.

Hide-and-seek: Altered HIV can't evade immune system

Researchers at Johns Hopkins have modified HIV to trigger an immune response, a major hurdle in vaccine development. The altered virus activates the adaptive immune system's response against HIV, negating its immunosuppressive properties.

fMRIs show that dyslexia isn't a matter of IQ

A recent brain-imaging study challenges the historical understanding of dyslexia by showing that children with reading difficulties have the same brain difficulty in processing sounds regardless of their IQ. This finding could change the way educators help poor readers, as all can benefit from the same interventions.

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.

Low zinc and copper levels might cause spontaneous abortion

A study by the University of Granada found that low plasma levels of copper and zinc are associated with an increased risk of spontaneous abortion. The research involved 265 pregnant women, with 132 experiencing miscarriage, and revealed significant differences in maternal plasma concentrations of these essential minerals.

Study shows heifers don't have to be pigs at the feed bunk

A two-year study by Montana State University researchers found that heifers can safely reduce their feed intake during the seven months between weaning and breeding. This results in cost savings of $21 per animal, with industry-wide savings being significant, especially in drought areas.

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.

Medical education needs more of a public health and prevention focus

The supplement highlights the importance of integrating public health and prevention principles into medical education. Experts emphasize the need for physicians with a better appreciation for these issues to address complex public health challenges, such as rising chronic disease burdens and persistent health disparities.

Even high-but-normal blood pressure elevates stroke risk

Research from the University of California - San Diego School of Medicine found that people with prehypertension have a 55% higher risk of experiencing a future stroke than those without. The study analyzed 12 prospective cohort studies involving over 518,000 participants and found that even high-but-normal blood pressure elevates stro...

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.

Study investigates why adolescents respond differently to peer influence

A Northwestern University study found that adolescents can be insulated from the negative influence of their peers by having characteristics respected by friends, such as close friendships with members of the opposite sex. Insulation also occurs if individuals have something their friends need, like a car.

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.

Saving heart attack victims with computer science

A new study has identified subtle markers of heart damage hidden in hours of EKG recordings, allowing doctors to identify high-risk heart attack patients. The researchers found that these anomalies can predict patient mortality within 12 months, enabling targeted treatments to save lives.

Millesecond memory

Researchers at NTNU's Kavli Institute for Systems Neuroscience discovered that memory is divided into discrete packets, with each packet lasting around 125 milliseconds. The brain switches between these packets rapidly, allowing it to 'flip' between different maps of location and experience.

Managing future forests for water

Researchers used long-term data from Coweeta Hydrological Laboratory to examine the feasibility of managing forests for water supply. The analysis revealed significant increases in temperature and extreme wet and dry years, with conversion from hardwoods to pines decreasing streamflow.

The mark of the beast: tradition or stress?

A recent study by Christine Aurich's group at the University of Veterinary Medicine, Vienna found that short-term branding stress levels are comparable to microchip implants in foals. However, branding causes more prolonged tissue damage and alterations in body temperature, leading to increased welfare concerns.

Celestron NexStar 8SE Computerized Telescope

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

Stanford brain imaging study shows physiological basis of dyslexia

Researchers used fMRI to compare brain activation patterns of poor readers with and without low IQs. Both groups showed reduced activations in left inferior parietal lobule and fusiform gyrus, indicating impaired phonological processing. This study provides biological evidence against using IQ to diagnose dyslexia.

Prescribed stimulant use for ADHD continues to rise steadily

The study found a slow but steady increase in prescribed stimulant use among children and adolescents with ADHD, with higher rates among boys and white children. However, the rate of growth has slowed in recent years, suggesting that more children are being diagnosed and treated for ADHD.

Easily embarrassed? Study finds people will trust you more

A recent study by researchers at the University of California, Berkeley, suggests that embarrassment can be a positive trait, fostering trust and cooperation in everyday life. Subjects who were more easily embarrassed reported higher levels of monogamy and generosity, indicating a stronger tendency to affiliate with others.

JoVE grants developing countries access to experimental videos

The Journal of Visualized Experiments (JoVE) is now offering free subscriptions to developing countries through the HINARI initiative. This move aims to address information inequality by providing access to visual content, including over 1,300 video-protocols on experimental approaches in various fields.

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.

OGI and MaRS Innovation invest in peptide therapeutics

Dr. Andrei Yudin's innovative process makes linear peptides circular, increasing their stability and ability to enter cells effectively. A library of macrocycles will be built to test properties and identify potential therapeutic compounds.

New research findings impact Seattle, Sierra Nevada

Researchers have developed a new model to evaluate seismic wave velocities at shallow depth in the Seattle Basin, offering refined seismic hazard assessments. The study also exposes two faults in the eastern Sierra Nevada, providing new details about active faulting in the area.

NIST polishes method for creating tiny diamond machines

A new method developed at NIST enables the creation of unique features in diamond, allowing for precise cuts and potentially leading to improvements in nanometrology. The method could also improve MEMS devices used in cell phones, gyroscopes, and medical implants, making them more durable and efficient.

Potential treatment for 'pink eye' epidemic

Researchers have discovered a potential new treatment for EKC, a highly infectious eye disease affecting millions annually in the US. A molecular wipe targeting viruses responsible for EKC could relieve symptoms, speed up healing and reduce transmission risk.

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.

Video shows tool use by a fish

A fish has been observed using a tool to crack open a shell, similar to previous reports of tool use by other fish species such as wrasse and blackspot tuskfish.

Who's the best leader: the saint or the scrooge?

A new study explains why leaders are often perceived as strong and dominant, despite their generosity. In non-competitive contexts, generous individuals are admired and respected, but in times of competition, they are seen as weak and submissive.

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.

Resisting peer pressure

A new Northwestern University study found that adolescents in mixed friend groups were insulated from the influence of peers who were delinquent or low-academic achievers. Neighborhood violence and territorial boundaries constrained their friendship choices.

Prevention of bedsores in long-term care homes cost-effective, study shows

Researchers found that pressure reduction foam mattresses and foam cleansers for incontinence care are cost-effective alternatives to standard mattresses and soap and water. The study estimated average savings of $115 and $179 per resident, respectively, with clinical benefits confirmed through further research.

Major HIV prevention trial in women to drop oral tenofovir arm

The VOICE trial will continue testing the safety and effectiveness of oral Truvada and tenofovir gel, while discontinuing daily use of oral tenofovir tablets. The trial enrolled 5,029 women across three countries to evaluate the efficacy of ARV-based approaches in preventing HIV transmission.

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.

UC Davis advocates for new approaches to biomedical research

Researchers advocate for interdisciplinary collaboration and partnerships between academia and industry to improve population health and address health inequities. They also propose training grants to bridge the 'valley of retirement' as experienced researchers retire.

Meta Quest 3 512GB

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

Global conservation priorities for marine turtles

Researchers have developed a new method to evaluate spatially and biologically distinct groups of marine turtles, identifying 11 out of 58 worldwide turtle regions as most at risk. The study highlights the need for targeted conservation efforts for these threatened populations.

Stanford Precourt Institute and TomKat Center award energy research grants

The Precourt Institute and TomKat Center are funding eight faculty seed grants for innovative renewable energy technologies, including lithium-air batteries and solar thermal energy systems. Researchers will explore ways to improve efficiency, reduce costs, and make large-scale solar power more competitive.

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.

Homegrown solution for physician shortage described in Academic Medicine

The University of Missouri's Rural Track Pipeline Program has produced nearly 65% of its graduates staying in Missouri, with over 57% practicing in rural areas. The program offers multiple opportunities for medical students to train and live in rural communities, addressing the national physician shortage in rural areas.

Genetic variant linked to blocked heart arteries in patients with diabetes

Researchers at Washington University School of Medicine have identified a genetic variant associated with the severity of coronary artery disease in patients with type 2 diabetes. The variant, located in the TLL1 gene, was found to correlate strongly with the extent of coronary disease, even better than traditional clinical factors.

Control gene for developmental timing discovered

University of Alberta researchers identified a key regulator controlling the speed of development in fruit flies. Blocking this regulator sped up development, leading to faster maturation. The study defines a novel mechanism for regulating steroid hormone pulses, crucial for human health and disease.

Children with autism benefit from early, intensive therapy

Research suggests that early, intensive therapy is most effective in improving social-communication skills for children with autism. A study of over 1,000 children found that those who received more comprehensive treatment achieved better outcomes.

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.