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Science News Archive November 2013 - Page 28


Page 28 of 30

Scientists use light to uncover the cause of sickle cell disease

Researchers used light-scattering techniques to study the detailed thermodynamics of hemoglobin fibers in sickle cell disease. They found that hemoglobin molecules associate more easily in high temperatures and concentrated solutions, leading to stronger bonds between fibers.

SourceCell Press·JournalBiophysical Journal·DateNov 5, 2013
Apple iPhone 17 Pro

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

Crafting a better enzyme cocktail to turn plants into fuel faster

Researchers at PNNL have developed a new test to assess the effectiveness of enzyme mixtures, which could reduce the time and cost of producing biofuels. The test uses activity-based protein profiling to track the activity of dozens of enzymes simultaneously.

SourceDOE/Pacific Northwest National Laboratory·JournalMolecular BioSystems·DateNov 4, 2013

Kids who sleep more, may eat less, new study finds

A new study published in Pediatrics found that children who slept more for a week consumed an average of 134 fewer calories per day and weighed half a pound less compared to those who slept less. The study suggests that enhancing school-age children's sleep at night could have important implications for preventing and treating obesity.

SourceTemple University·JournalPEDIATRICS·DateNov 4, 2013

Eating disorders more common in males than realized

A study published in JAMA Pediatrics found that 17.9% of adolescent boys in the US are extremely concerned about their weight and physique, leading to increased risk of drug use and binge drinking. Boys focused on muscularity were more likely to engage in unhealthy behaviors.

SourceBoston Children's Hospital·JournalJAMA Pediatrics·DateNov 4, 2013

Transgender controversies can lead to 'gender panic,' study finds

A study examines how mainstream news coverage of transgender-related news and policy issues reflects entrenched views about gender, particularly the notion that women are weak and vulnerable. The authors found that perceived threats to women's spaces spur panic, but that clear policies can calm down such reactions.

SourceUniversity of Chicago·JournalGender & Society·DateNov 4, 2013
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.

Earlier onset of puberty in girls linked to obesity

A new study found that obesity is the largest predictor of earlier onset puberty in girls, with white girls experiencing breast development at a median age of 9.7 years. The study suggests that greater obesity may be the cause of this phenomenon, highlighting potential psychosocial and biologic outcomes for affected girls.

SourceCincinnati Children's Hospital Medical Center·JournalPEDIATRICS·DateNov 4, 2013

Researchers gain new insights into brain neuronal networks

A paper proposes a novel understanding of brain architecture using a network representation of connections within the primate cortex. The researchers describe the cortex as a network of connections with a bow tie structure, characterized by a dense core connecting to feed-forward and feedback pathways. This arrangement is found in self...

SourceUniversity of Notre Dame·JournalScience·DateNov 4, 2013
Celestron NexStar 8SE Computerized Telescope

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

Community health centers integrate mental and medical services to address care gap

A new analysis examines factors affecting integration of mental health and substance abuse treatment services with medical care at community health centers. Health centers were more likely to offer behavioral health services if they were larger or located in areas with more psychiatrists and psychologists per capita.

SourceGeorge Washington University Milken Institute School of Public Health·JournalThe Journal of Behavioral Health Services & Research·DateNov 4, 2013

Dolphin genetic study provides revelations

A recent study published in the Journal of Heredity has identified two distinct populations of bottlenose dolphins living in the Indian River Lagoon, separated by a north-south geographic area. The research also found genetic differences between these populations and those living in other areas, highlighting the importance of habitat a...

SourceNova Southeastern University·JournalJournal of Heredity·DateNov 4, 2013

Gas injection probably triggered small earthquakes near Snyder, Texas

A new study found that underground gas injection was correlated with small earthquakes near Snyder, Texas, between 2006 and 2011. The researchers suggest that geological faults may be responsible for the triggering of these quakes in some areas but not others.

SourceUniversity of Texas at Austin·JournalProceedings of the National Academy of Sciences·DateNov 4, 2013
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.

Teens in child welfare system show higher drug abuse rate

A study found that teenagers in the child welfare system have a higher risk of abusing marijuana, inhalants, and other drugs compared to their counterparts outside the system. Parental involvement is a key factor in reducing this risk, with youth who feel supported by parents being less likely to engage in high-risk behaviors.

SourceJournal of Studies on Alcohol and Drugs·JournalJournal of Studies on Alcohol and Drugs·DateNov 4, 2013
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.

Researchers warn of the 'myths' of global medical tourism

A team of researchers challenges widely-held assumptions about the growth of medical tourism, citing a lack of credible data and regional factors. They argue that historical flows between countries, cultural relations, and geo-political factors drive medical tourism, rather than global market opportunities.

SourceUniversity of York·JournalPolicy & Politics·DateNov 4, 2013

No major complications in most teens undergoing weight-loss bariatric surgery

Severely obese teenagers who underwent weight-loss surgery experienced minimal complications, with no major complications or deaths reported during the initial hospitalization period. The study included 242 teens and found that only 8% experienced reoperation and 15% had minor complications like readmission for dehydration.

SourceJAMA Network·JournalJAMA Pediatrics·DateNov 4, 2013

The Franklin Institute honors 2 Carnegie Mellon professors

Edmund Clarke receives Bower Prize for his work on Model Checking, while Mark Kryder is awarded Benjamin Franklin Medal for Perpendicular Magnetic Recording. Both professors have made significant contributions to the field of information technology.

SourceCarnegie Mellon University·DateNov 4, 2013

New strep throat risk score brings patient data and big data together to potentially reduce unnecess

A new risk measure called a home score combines patients' symptoms and demographic information with local strep throat activity to estimate an individual's strep risk, empowering them to seek care appropriately. This innovative tool has the potential to eliminate 230,000 unnecessary doctor visits for strep throat in the US annually.

SourceBoston Children's Hospital·JournalAnnals of Internal Medicine·DateNov 4, 2013

Astronomers answer key question: How common are habitable planets?

Based on Kepler data, scientists found that one in five sun-like stars has an Earth-size planet in its habitable zone. The estimated number suggests that life-supporting planets may be more common than previously thought.

SourceUniversity of California - Berkeley·JournalProceedings of the National Academy of Sciences·DateNov 4, 2013
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.

Overhaul of medical education to address primary care physician shortage recommended by national panel

A national panel of experts recommends that osteopathic medical schools develop programs in partnership with teaching hospitals and training sites to provide more hands-on learning. The goal is to train primary care-focused physicians who can deliver team-based care and are proficient in prevention, health systems planning, leadership,...

SourceWhitecoat Strategies, LLC·JournalHealth Affairs·DateNov 4, 2013

20 percent of nation's GME funds go to New York while 29 states get less than 1 percent, study says

A recent study by George Washington University found that 20% of Medicare's graduate medical education (GME) funding goes to New York, while 29 states receive less than 1%. The study highlights the need for reform in the GME payment system to address imbalances in physician availability across the country.

SourceGeorge Washington University Milken Institute School of Public Health·JournalHealth Affairs·DateNov 4, 2013

Is it safe to drive with my arm in a cast?

Patients should never drive if taking narcotic pain medication, as it impairs cognitive judgment and reaction time. Additionally, using one arm can significantly limit safe driving abilities due to impaired coordination and control of the vehicle.

SourceAmerican Academy of Orthopaedic Surgeons·JournalJournal of the American Academy of Orthopaedic Surgeons·DateNov 4, 2013
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.

Scientists study 'fishy' behavior to solve an animal locomotion mystery

A research team led by Johns Hopkins engineers discovered that animals use opposing forces in their movements to increase both stability and maneuverability. This biomimetic approach is found in fish, hummingbirds, and bees, and could simplify designs for small robots that fly, swim, or move on mechanical legs.

SourceJohns Hopkins University·JournalProceedings of the National Academy of Sciences·DateNov 4, 2013

Brain aging is conclusively linked to genes

Researchers have identified genes associated with brain aging, revealing a heritable basis for neurocognitive deterioration and decreased white matter integrity. The study used large pedigrees of Mexican Americans to disentangle genetic from non-genetic influences on aging.

SourceTexas Biomedical Research Institute·JournalProceedings of the National Academy of Sciences·DateNov 4, 2013

$100 million gift launches Sanford Stem Cell Clinical Center

The center will integrate operations at four locations, including the UC San Diego Jacobs Medical Center and the Sanford Consortium for Regenerative Medicine. It aims to translate discoveries into therapies that can improve and save lives, with a focus on treating cancer, Lou Gehrig's disease, and spinal cord injury.

SourceUniversity of California - San Diego·DateNov 4, 2013
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.

Learning and memory: How neurons activate PP1

Researchers reveal how neurons regulate PP1 protein through neurotransmitter NMDA, allowing PP1 to promote synaptic remodeling. A regulatory protein called inhibitor-2 also helps promote PP1 activity in neurons.

SourceRockefeller University Press·JournalJournal of Cell Biology·DateNov 4, 2013

Leicester scientists map structure of key complex in the immune system

Researchers have mapped the structure of complement component C1, a protein responsible for spotting foreign agents and triggering the immune response. The study reveals how the complex is assembled from its constituent proteins, shedding light on the immune system's prevention of disease and potential therapeutic applications.

SourceUniversity of Leicester·JournalProceedings of the National Academy of Sciences·DateNov 4, 2013
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.

We'll rise or fall on the quality of our soil

The productivity of many lands has been dramatically reduced due to soil erosion, salinity accumulation, and nutrient depletion. A sustainable approach to agriculture is needed to maintain soil fertility and address climate change and biodiversity loss.

SourceUniversity of the Witwatersrand·JournalScience·DateNov 4, 2013

Brain structure in post-traumatic stress disorder

Researchers found chronic PTSD patients have gray matter structural damage in the prefrontal lobe, occipital lobe, and parietal lobe. Improved PTSD symptoms are associated with reduced but not recovered gray matter structural damage.

SourceNeural Regeneration Research·JournalNeural Regeneration Research·DateNov 4, 2013
Fluke 87V Industrial Digital Multimeter

Fluke 87V Industrial Digital Multimeter is a trusted meter for precise measurements during instrument integration, repairs, and field diagnostics.

Study looks at safety, effectiveness of generics for treating depression

Researchers at Washington University School of Medicine are studying the quality and effectiveness of generic drugs for treating depression. They aim to determine if generic versions of bupropion HCl ER tablets work as well as brand-name Wellbutrin XL in treating depression, with a focus on safety and potential side effects.

SourceWashU Medicine·DateNov 4, 2013

Embargoed news from Nov. 5, 2013 Annals of Internal Medicine tip sheet

A recent study published in Annals of Internal Medicine found that women who adhered to a Mediterranean-type diet in midlife had greater physical and mental function in old age. Researchers also developed a scoring system to identify low-risk patients for strep throat, which could potentially save hundreds of thousands of doctor visits...

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateNov 4, 2013

Gravity and the robot satellite attitude problem

Researchers propose a new method for robots to capture malfunctioning satellites in space. By mimicking the way animals track and capture prey, the team developed a bio-inspired solution that reduces damage and minimizes disruption to the spacecraft. This technology aims to revolutionize space maintenance and rescue operations.

SourceInderscience Publishers·JournalInternational Journal of Mechanisms and Robotic Systems·DateNov 4, 2013
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.

Snakes control blood flow to aid vision

Researchers discovered that snakes can optimize their vision by controlling blood flow in their eyes when perceiving threats. The coachwhip snake's visual blood flow patterns change depending on its environment, allowing for improved visual clarity in times of need.

SourceUniversity of Waterloo·JournalJournal of Experimental Biology·DateNov 4, 2013

NASA video shows birth and death of Tropical Storm Sonia

Tropical Storm Sonia formed on Nov. 1 and made landfall in western Mexico by Nov. 4, with NASA capturing its brief life in a 36-second animation. The storm's maximum sustained winds reached 45 mph, but it weakened as it moved over rugged terrain.

SourceNASA/Goddard Space Flight Center·DateNov 4, 2013

Elusive bay cat caught on camera

Scientists from ZSL and Imperial College London capture images of five wild cat species, including the elusive bay cat, in a logged area of forest. The study reveals that large carnivores can survive in commercially logged forests, challenging conservation assumptions.

SourceZoological Society of London·JournalPLOS ONE·DateNov 4, 2013
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.

1 dose of HPV vaccine may be enough to prevent cervical cancer

A recent study published in Cancer Prevention Research found that women vaccinated with one dose of the human papillomavirus (HPV) vaccine had stable antibodies against HPV viruses in their blood for up to four years. The results challenge previous dogma on protein subunit vaccines requiring multiple doses for long-lived responses.

SourceAmerican Association for Cancer Research·JournalCancer Prevention Research·DateNov 4, 2013

Race and romance online

A study of 126,134 users on OkCupid.com found that racial barriers to romance are not insurmountable online. While people tend to self-segregate by race, they are more likely to reciprocate a cross-race overture and initiate interracial contact in the future.

SourceUniversity of California - San Diego·JournalProceedings of the National Academy of Sciences·DateNov 4, 2013
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.

New tool may unveil inhabitable worlds

SPIRou, a near-infrared spectropolarimeter and high-precision velocimeter, will detect habitable Earth twins orbiting nearby red dwarf stars and study the formation of Sun-like stars and their planets. The instrument's advanced technology will reveal the existence of liquid water on planetary surfaces.

SourceUniversity of Montreal·DateNov 4, 2013

The nitrogen puzzle in the oceans

A team of scientists has revealed the details of a microbial process regulating the global nitrogen budget in the oceans. They found that anammox, a process converting fixed nitrogen to N2, affects primary productivity and isocyan signature patterns in oxygen minimum zones.

SourceMax-Planck-Gesellschaft·JournalProceedings of the National Academy of Sciences·DateNov 4, 2013