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Science News Archive September 2012 - Page 14


Page 14 of 27

Improved positioning indoors

The NAVVIS positioning system relies on imaging data to determine exact position and direction indoors. It compares a user's photo with stored database images to reveal location, ideal for maze-like buildings like TUM's campus.

SourceTechnical University of Munich (TUM)·DateSep 17, 2012

Mayo Clinic researchers identify new enzyme to fight Alzheimer's disease

Researchers at Mayo Clinic discovered a new enzyme called BACE2 that destroys beta-amyloid, a toxic protein fragment associated with Alzheimer's disease. The discovery suggests that impairments in BACE2 may increase the risk of Alzheimer's disease and could lead to gene therapy as a potential treatment.

SourceMayo Clinic·JournalMolecular Neurodegeneration·DateSep 17, 2012
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.

When it rains, it pours

A study by MIT estimates that tropical regions will see 10% heavier rainfall extremes with every 1 degree Celsius rise in temperature, posing significant risks for flooding. The research suggests a higher sensitivity of tropical extreme rainfall to global warming than previously thought.

SourceMassachusetts Institute of Technology·JournalNature Geoscience·DateSep 17, 2012

Spacetime ripples from dying black holes could help reveal how they formed

Researchers from Cardiff University found that the different tones of a dying black hole can provide insight into its mass and spin. By analyzing these tones, scientists may be able to weigh two black holes after they've collided and merged, potentially testing Einstein's general theory of relativity.

SourceCardiff University·JournalPhysical Review Letters·DateSep 17, 2012

Antibiotic-resistant pathogens persist in antibiotic-free pigs

Researchers have found identical strains of antibiotic-resistant Campylobacter coli in both antibiotic-free and conventionally raised pigs. The study suggests that the environment plays a key role in the persistence of these resistant pathogens, regardless of antimicrobial usage by pork producers.

SourceNorth Carolina State University·JournalPLOS ONE·DateSep 17, 2012
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.

Only children are significantly more likely to be overweight

A study of 12,700 children across eight European countries found that only children have a 50% higher risk of obesity compared to their peers. The research controlled for various factors, such as gender and parental weight, but still showed a strong correlation between singleton status and overweight.

SourceUniversity of Gothenburg·JournalNutrition and Diabetes·DateSep 17, 2012

UCI researchers find cause of chemotherapy resistance in melanoma

Researchers at UC Irvine's Chao Family Comprehensive Cancer Center have identified a key genetic pathway responsible for melanoma cells' resistance to chemotherapy. Targeting this pathway could lead to the development of new treatments for the deadly skin cancer, which claims nearly 10,000 U.S. lives each year.

SourceUniversity of California - Irvine·JournalCancer Research·DateSep 17, 2012
Apple iPhone 17 Pro

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

NASA sees Eastern Pacific storms power up and down

Tropical Storm Kristy weakened to a remnant low pressure area while Hurricane Lane strengthened into a hurricane, according to NASA's Terra satellite observations. Lane exhibited a tighter circulation than Kristy, prompting warnings of life-threatening surf and rip current conditions in southern and central Baja California.

SourceNASA/Goddard Space Flight Center·DateSep 17, 2012

Majority of US Schools not ready for next pandemic, SLU researchers say

US schools are not adequately prepared for pandemics due to a lack of written plans and coordination with local agencies. Researchers at SLU's Institute for Biosecurity surveyed over 2000 nurses and found that only 48% of schools address pandemic preparedness, emphasizing the need for annual reviews and nurse involvement.

SourceSaint Louis University·JournalAmerican Journal of Infection Control·DateSep 17, 2012

Songbirds shed light on brain circuits and learning

Scientists at Duke University found that regions of the brain involved in planning and controlling complex vocal sequences are also necessary for memorizing sounds used in vocal imitation. This finding has broader implications for diagnosing and treating human developmental disorders.

SourceDuke University Medical Center·JournalNature Neuroscience·DateSep 17, 2012

Annals of Internal Medicine tip sheet for Sept. 18. 2012

Hospital-initiated transitional care strategies reduce unnecessary health services use and improve patient outcomes for adults with acute stroke or myocardial infarction. Electronic record use, medication reconciliation, and shared follow-up planning also enhance patient transition from hospital to primary care.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateSep 17, 2012

NASA sees powerful Typhoon Sanba make landfall

Typhoon Sanba made landfall in southern South Korea on Sept. 17, causing power outages, canceled flights, and ferries. The storm's extensive cloud cover stretched from South Korea to eastern Siberia, affecting over 67,000 homes in Japan.

SourceNASA/Goddard Space Flight Center·DateSep 17, 2012
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.

Attractive names sustain increased vegetable intake in schools

A study by Cornell Food & Brand Lab found that attractive names for vegetables, such as Power Punch Broccoli and X-Ray Vision Carrots, can increase consumption among elementary-aged children. The research suggests using attractive names is a low-cost solution to encourage kids to eat more nutritious foods.

SourceCornell Food & Brand Lab·JournalPreventive Medicine·DateSep 17, 2012

Adequate sleep helps weight loss

A recent study published in CMAJ found that total sleep time and quality significantly predict fat loss in individuals enrolled in a weight loss program. Incorporating adequate sleep into lifestyle packages is now recognized as crucial for effective obesity management.

SourceCanadian Medical Association Journal·JournalCanadian Medical Association Journal·DateSep 17, 2012
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.

Sound level around seriously ill patients 'like a busy road'

A study found sound levels around seriously ill patients in ICUs were significantly higher than WHO's recommended 30 dB. Patients experienced both positive and negative sounds, with uncontrollable alarms and treatments being most disturbing.

SourceUniversity of Gothenburg·JournalIntensive and Critical Care Nursing·DateSep 17, 2012

Chinese scientists discover MVK mutations associated with DSAP

A Chinese research team found strong genetic evidence linking mevalonate kinase gene (MVK) mutations to disseminated superficial actinic porokeratosis (DSAP), a rare skin disorder. MVK mutations were not detected in other clinical subtypes of Porokeratosis, suggesting they may be specific to DSAP patients.

SourceBGI Shenzhen·JournalNature Genetics·DateSep 16, 2012

Most coral reefs are at risk unless climate change is drastically limited

A new study published in Nature Climate Change warns that most coral reefs will be subject to severe degradation if global warming exceeds 2 degrees Celsius. Only a scenario with strong action on mitigating greenhouse-gas emissions and rapid coral adaptation could save two-thirds of coral reefs.

SourcePotsdam Institute for Climate Impact Research (PIK)·JournalNature Climate Change·DateSep 16, 2012
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.

Drug combination against NRAS-mutant melanoma discovered

Researchers at MD Anderson Cancer Center have identified a promising therapy for NRAS-mutant melanoma patients. By combining two drugs that inhibit proteins Mek and Cdk4, scientists found that the combination shrinks tumors in genetically engineered mouse models.

SourceUniversity of Texas M. D. Anderson Cancer Center·JournalNature Medicine·DateSep 16, 2012

Researchers identify mechanism that leads to diabetes, blindness

Wolfram syndrome is a rare disorder that causes diabetes, hearing and vision loss, nerve cell damage, and early death. Researchers have identified a mechanism related to mutations in the WFS1 gene that affects insulin-secreting beta cells, which could lead to new treatment targets for the disease.

SourceWashU Medicine·JournalNature Cell Biology·DateSep 16, 2012

How bees decide what to be

Researchers found 155 regions of DNA with different tag patterns in bees, which were mostly regulatory genes known to affect other genes. The epigenetic marks were reversible and connected to the bees' behavior, with more than half of those regions already identified among the original 155 regions.

SourceJohns Hopkins Medicine·JournalNature Neuroscience·DateSep 16, 2012

Chemists develop reversible method of tagging proteins

Researchers have developed a novel method to attach chemical probes to proteins, allowing them to study the biochemistry of naturally formed proteins. The technique enables scientists to understand the mechanisms behind creating better antibiotics, anti-cancer drugs, biofuels, and other natural products.

SourceUniversity of California - San Diego·JournalNature Methods·DateSep 16, 2012
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.

Stanford faculty awarded $2.2 million for innovative energy research

Nine Stanford researchers received seed grants to explore promising new technologies in clean energy and energy efficiency. These projects include the development of high-performance batteries, ultrathin solar cells, and methods for capturing atmospheric carbon dioxide. The research has the potential to impact energy production and use...

SourceStanford University·DateSep 15, 2012

Study shows breath analysis could help diagnose pulmonary nodules

A pilot study found that breath testing can accurately discriminate between benign and malignant pulmonary nodules. The technique, using volatile organic compounds and chemical nanoarrays, identified 53 malignant and 19 benign nodules with high accuracy.

SourceInternational Association for the Study of Lung Cancer·JournalJournal of Thoracic Oncology·DateSep 15, 2012

Nurses examine caregiver grief

Researchers developed a theory of caregiving through the end of life, comparing it to a theory on bereavement. They found significant conceptual similarities between the two theories, validating both models. The study aims to help nurses provide timely support to family caregivers after a loved one's death.

SourcePenn State·DateSep 15, 2012
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.

CAMH illuminates roles of novel epigenetic chemical in the brain

Researchers at CAMH have identified 5-hmC, an epigenetic modification of DNA, as playing a key role in the brain's plasticity. The study found that 5-hmC is highly enriched in genes related to synapses, suggesting its involvement in learning and memory.

SourceCentre for Addiction and Mental Health·JournalNature Structural & Molecular Biology·DateSep 14, 2012

Surgery more profound effect than anesthesia on brain pathology, cognition in Alzheimer's mice

Researchers at the University of Pennsylvania School of Medicine have found that surgery itself has a profound impact on brain pathology and cognition in mice with human Alzheimer disease genes. Surgery causes a lasting increase in Alzheimer's pathology and significant cognitive impairment, primarily through inflammation.

SourceUniversity of Pennsylvania School of Medicine·JournalAnnals of Surgery·DateSep 14, 2012

NASA examines very dangerous Super Typhoon Sanba

NASA's TRMM satellite observed intense rain falling at 3 inches per hour around Super Typhoon Sanba, with powerful hot towering thunderstorms near its center. The storm is expected to make landfall on South Korea's south coast on September 17.

SourceNASA/Goddard Space Flight Center·DateSep 14, 2012

Researchers find our inner reptile hearts

Scientists have identified the genetic building blocks behind the human heart's subtle control system, which shares similarities with birds and reptiles. The study reveals that a spongy inner tissue in fetal hearts stretches out to form a fine network of conductive tissue in adult animals.

SourceAarhus University·JournalPLOS ONE·DateSep 14, 2012
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.

X-rays reveal the self-defence mechanisms of bacteria

A new X-ray study reveals that persister cells are regulated by toxins produced by the bacteria themselves, allowing them to enter a dormant state. This understanding can lead to the development of treatments that block toxin function and production, potentially improving outcomes in life-threatening diseases.

SourceAarhus University·JournalStructure·DateSep 14, 2012

Getting (drugs) under your skin

MIT engineers enhance skin permeability using ultrasound waves, enabling efficient transdermal drug delivery. The technology could pave the way for needle-free vaccinations and improve treatment of skin conditions like acne or psoriasis.

SourceMassachusetts Institute of Technology·JournalJournal of Controlled Release·DateSep 14, 2012
Meta Quest 3 512GB

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

Feeling stressed by your job? Don’t blame your employer, study shows

A recent study by University of Notre Dame researcher Timothy Judge found that genes play a significant role in job stress and health problems. He studied nearly 600 twins and discovered that shared genes were about four times more important than shared environments in shaping personality, stress, and health outcomes.

SourceUniversity of Notre Dame·JournalOrganizational Behavior and Human Decision Processes·DateSep 14, 2012

Probing matters of the heart

A new study has outlined how interactions between genes, proteins and molecules direct the development of stem cells into mature heart cells. The research could help scientists better understand how genetic mutations lead to congenital heart defects and assist efforts to engineer artificial heart tissue.

SourceMassachusetts Institute of Technology·JournalCell·DateSep 14, 2012

Maternal drinking during pregnancy can damage the earliest fetal learning

A new study found that fetuses exposed to heavy maternal drinking required more trials to habituate and exhibited greater variability in test performance. This suggests that maternal drinking during pregnancy can damage the earliest fetal learning abilities, leading to impaired habituation and stability of performance.

SourceAlcoholism: Clinical & Experimental Research·DateSep 14, 2012
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.

'Memristors' based on transparent electronics offer technology of the future

Researchers at Oregon State University have confirmed the potential of zinc tin oxide for use in resistive random access memory (RRAM), a 'memristor' technology that could replace traditional flash memory. This new approach offers significant advantages, including smaller size, faster performance, and lower cost.

SourceOregon State University·JournalSolid-State Electronics·DateSep 14, 2012

Simple tool may help evaluate risk for violence among patients with mental illness

A new study suggests that a simple, structured risk assessment tool can improve the accuracy of clinicians in evaluating the risk of violence among patients with severe mental illnesses. The tool, called HRC-20-C, has been shown to be effective in reducing errors and improving safety for staff and patients in high-risk settings.

SourceUniversity of California - San Francisco·JournalPsychiatric Services·DateSep 14, 2012

Canadian otolaryngologist wins international award

Dr. Lorne Parnes, a renowned Canadian otolaryngologist, has won the American Academy of Otolaryngology's Distinguished Service Award. He is recognized for his extensive contributions to the field, including pioneering treatments for benign paroxysmal positional vertigo and direct drug delivery implementation.

SourceUniversity of Western Ontario·DateSep 14, 2012
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.

The most stable laser in the world

Researchers develop new silicon resonator for ultra-stable laser, enabling narrower optical absorption lines and better optical atomic clocks. The stability of the laser is critical for these applications.

SourcePhysikalisch-Technische Bundesanstalt (PTB)·JournalNature Photonics·DateSep 14, 2012

23andMe opens its API to developers

23andMe is opening its API to third-party developers, enabling them to create new web-based interactive tools using the company's DNA data. Approved developers will receive an authentication key to access the platform.

Source23andMe, Inc.·DateSep 14, 2012

UMass Amherst sleep researchers study value of preschool naps

Researchers at UMass Amherst investigate the value of preschool naps to understand their effects on memory, behavior, and emotions in young children. The study aims to determine if napping enhances physical and emotional learning, particularly for children who don't get optimal overnight sleep.

SourceUniversity of Massachusetts Amherst·DateSep 14, 2012

45 percent of layoff victims, despite anger, would return to former employer

A Temple University study reveals that 45% of highly paid professionals who were laid off would consider returning to their previous employer, emphasizing the need for fair and transparent layoff decisions. The research also highlights the impact of layoffs on survivors' attitudes towards their former employer.

SourceTemple University·JournalCareer Development International·DateSep 14, 2012
Celestron NexStar 8SE Computerized Telescope

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

X-rays unravel mysterious degradation of a Van Gogh painting

Scientists at the European Synchrotron Radiation Facility used X-ray analysis to identify a hitherto unknown degradation process at the interface between paint and varnish. The study found that the presence of lead-based siccative in the varnish led to the formation of anglesite, an opaque compound causing discoloration.

SourceEuropean Synchrotron Radiation Facility·JournalAnalytical Chemistry·DateSep 14, 2012