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Science News Archive 2009


Page 54 of 277

Physicians have less respect for obese patients, study suggests

A new study by Johns Hopkins researchers suggests that physicians have less respect for obese patients, with higher BMI associated with lower levels of respect. The findings raise questions about whether physician attitudes towards obesity impact patient care and health outcomes.

Apple iPhone 17 Pro

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

Important new rheumatology resource unveiled

A comprehensive collection of 38 articles written by international experts provides a detailed overview of current rheumatology research. The resource covers basic, translational, and clinical research in rheumatology, offering clinicians and researchers a valuable reference work.

Stimulus projects designed to heal, prevent and restore

Researchers at Case Western Reserve University are developing new imaging agents to detect cancers earlier, exploiting enzyme overexpression in tumors to improve cancer surgery accuracy, and creating a system to control prosthetic arms with thought. The grants will support new researchers, equipment, and technology development.

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.

Researchers to study hidden lakes beneath west Antarctic ice sheet

A new research project will drill through a half-mile of ice to penetrate subglacial Lake Whillans, studying hidden processes that govern the dynamics of the West Antarctic ice sheet. The team aims to develop predictive models of polar melting and understand how subglacial lakes influence ice motion.

Harvard scientists bend nanowires into 2-D and 3-D structures

Scientists at Harvard University have introduced kinks into arrow-straight nanowires, creating zigzagging 2-D and 3-D structures with enhanced electrical properties. These new nanostructures enable the integration of active devices, fostering potential breakthroughs in biomedicine and electronics.

High tech for bicycles

Researchers at Fraunhofer-Gesellschaft have developed a functionally-integrated bicycle seat post made from carbon fiber composite materials, offering noticeable ride comfort and reduced weight. The innovative seat post uses laminated springs to absorb shocks, providing a smoother ride for cyclists.

Designer molecule detects tiny amounts of cyanide, then glows

Researchers have developed a novel detector molecule that can sense cyanide in water at normal pH levels and emit light, offering a potential solution for protecting people from cyanide-laced drinking water. The molecule's modular structure allows it to be modified to enhance its sensitivity and detect different toxins.

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.

Trigger of deadly food toxin discovered

UCI scientists identify protein PT as the key to making aflatoxin, a toxin produced by mold on nuts and grains that can cause liver cancer. The discovery could lead to methods of limiting its production and developing new inhibitors to prevent liver cancer.

Study conclusively ties rare disease gene to Parkinson's

A new study found that carriers of Gaucher disease face a significantly higher risk of developing Parkinson's disease, with the risk being 5 times greater than the general public. The study also found that GBA alterations increase the likelihood of early disease onset.

Costs of plug-in cars key to broad consumer acceptance

A University of Michigan survey found that the cost of plug-in hybrid electric vehicles (PHEVs) is a significant predictor of purchase probabilities, even more so than environmental considerations. Economic factors, such as willingness to pay for fuel savings and price premiums, played a crucial role in consumer attitudes towards PHEVs.

Glacial melting may release pollutants in the environment

A new study finds that glacial melting is releasing persistent organic pollutants into lakes, despite decreased use of these compounds in products. The pollutants were deposited earlier and preserved over decades, with the flow increasing sharply since the late 1990s.

Women veterans less likely to report pain than male counterparts

A recent study published in Pain Medicine found that women veterans are less likely to report pain compared to their male counterparts. The study, which analyzed data from over 153,000 veterans, revealed that female veterans were more likely to report moderate-severe pain but less likely to experience persistent pain.

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.

Standards for a new genomic era

Geneticists propose six labels for genome sequence data to estimate quality, ranging from standard draft to finished sequence. This could aid in developing vaccines more efficiently and responding to emergencies.

The first men and women from the Canary Islands were Berbers

Researchers analyzed Y chromosome DNA from human remains on the Canary Islands to determine the origin and evolution of paternal lineages. They found a North African origin for these lineages, which declined due to European colonization and the African slave trade.

Tailoring physical therapy can restore more functions after neurological injury

Researchers at Georgetown University Medical Center found that a tailored approach to physical therapy can restore a wider variety of functions in rats with spinal cord injuries. After four weeks of training on a robotic device, trained animals had shorter stride lengths and improved walking performance compared to non-trained animals.

Carnegie Mellon expands mobile learning project in India

The Carnegie Mellon Mobile & Immersive Learning for Literacy in Emerging Economies (MILLEE) project will conduct a controlled study involving 800 children in 40 villages in Andhra Pradesh, India. The goal is to gauge the effectiveness of mobile phone-based games for teaching English lessons.

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.

Pushing through brain barriers

A Case Western Reserve University engineering professor is developing a miniaturized low-power device to detect how electrical signals and neurotransmitters in the brain work. The device will record 16 channels of chemical and electrical neural activity, measuring neurotransmitters and action potentials in real time.

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.

Damaging inflammatory response could hinder spinal cord repair

A new study suggests that a damaging inflammatory response following spinal cord injury can prevent healing and promote chronic pain. Anti-inflammatory macrophages, which are typically involved in later stages of injury repair, were found to promote effective growth of axons but disappear shortly after an injury.

Single-stranded DNA-binding protein is dynamic, critical to DNA repair

A new study reveals that a single-stranded DNA-binding protein (SSB) moves back and forth along single-stranded DNA, gradually allowing other proteins to repair, recombine or replicate the strands. SSB's dynamic movement is independent of the DNA sequence and modulates the activity of critical DNA repair proteins.

Lifestyle changes remain important in fighting peripheral arterial disease

Researchers found that modifying risk factors through healthy lifestyle changes remains vital to combating peripheral arterial disease. While some patients with blocked leg arteries may not exhibit symptoms, early detection and treatment are still essential to prevent progression and potential complications.

Winners announced in 2009 Collegiate Inventors Competition

Harris Wang won $25,000 for faster cell programming tool MAGE, while Stephen Diebold received a prize for improved pointing stick for people with quadriplegia. Other graduate and undergraduate winners were also announced for their top work.

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.

Infant sucking habits may affect how baby talks

A recent study published in BMC Pediatrics found that persistent sucking habits in infants, such as pacifier or bottle use, may lead to difficulty producing certain word sounds and simplifying pronunciation in preschool children. Delaying introduction of baby bottles until at least 9 months old can reduce the risk of speech disorders.

Childhood risk factors for developing substance dependence

Researchers have identified childhood risk factors for developing substance use disorders, including increased body sway and reduced P300 amplitude. These early markers can help predict an individual's likelihood of developing a substance use disorder by young adulthood.

The bowels of infection

Researchers found that latent CMV infection exacerbated intestinal inflammation and increased immune responses to normally harmless bacteria, contributing to IBD severity. Latent CMV infection may modulate mucosal immunity and predispose individuals to developing severe acute colitis and subsequently IBD.

Study shows how normal cells influence tumor growth

A new study published in Nature reveals that the loss of a gene called PTEN from surrounding cells can dramatically alter the tumor environment, fostering tumor growth. The findings suggest a new role for PTEN in suppressing cancer development and could lead to entirely new treatments targeting both cancer cells and their surroundings.

Celestron NexStar 8SE Computerized Telescope

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

Time-keeping brain neurons discovered

Researchers have identified groups of neurons that precisely keep time in the primate brain, allowing for fine-scale control over actions. The discovery opens doors to investigations into how the brain produces and uses its natural time code.

US and Europe different in aldosterone antagonists use in heart failure

A study found that only one-third of US patients meeting guidelines criteria were treated with aldosterone antagonists, compared to 48% in the Euro Heart Failure survey. European clinicians have greater leeway and often push new indications in their practice, leading to a more liberal approach.

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.

Fetal study highlights impact of stress on male fertility

A study suggests that exposure to a combination of stress hormones and chemicals during fetal development can increase the likelihood of reproductive birth defects, including cryptorchidism and hypospadias. The research found that simultaneous exposure to these factors significantly increased the risk of such disorders.

Georgia Tech wins NSF award for next-gen supercomputing

Georgia Institute of Technology receives a five-year, $12 million Track 2 award to develop and deploy two heterogeneous HPC systems for various research projects. The project aims to demonstrate unprecedented performance on computational science applications while addressing energy efficiency challenges.

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.

The Per Brinck Oikos Award 2010

Professor Hanna Kokko has been awarded the Per Brinck Oikos Award 2010 for her groundbreaking research on ecological and evolutionary dynamics. Her work focuses on the interactions between individual behavior, life-history theory, and population dynamics, with applications to conservation and management problems.

Amphetamine use in adolescence may impair adult working memory

Researchers at the University of Illinois found that rats exposed to high doses of amphetamines during adolescence displayed significant memory deficits as adults. The declines in short-term memory were most pronounced when exposure occurred during adolescence rather than adulthood.

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.

Study surprise yields new target for assessing genes linked to autism

Researchers discovered a new genetic signature that correlates strongly with autism and involves the way genes are turned on and off. The finding may suggest new approaches to diagnosis and treatment of autism, potentially identifying individuals who will respond better to oxytocin treatment.

Internet fuels virtual subculture for sex trade, study finds

A study by Michigan State University found that internet forums are used to share information about prostitution and provide warnings to other 'johns', making it harder for law enforcement. The researchers also discovered that these online communities help individuals justify their behavior and view prostitutes as commodities.

Museums increasingly turn to scientists to preserve treasures

Scientists are increasingly involved in preserving cultural heritage objects, using non-destructive analysis and innovative techniques. Conservation science research is funded by grants from the National Science Foundation, aiming to maximize the preservation of building materials and artworks.

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.

Alzheimer's lesions found in the retina

Researchers have discovered that Alzheimer's disease can cause changes in the retina, which may predict how well treatments will work. The findings could lead to the development of retinal imaging technology for earlier diagnosis and treatment of Alzheimer's, a leading cause of elderly dementia.

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.