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Science News Archive 2013 - Page 263


Page 263 of 352

Debunking a myth: IUDs proven safe birth control for teenagers

A large study shows IUDs have complication rates similar to adults, and hormonal IUDs are safer than copper ones in all age groups. The research opens doors for more teens to benefit from long-lasting contraception.

SourceUniversity of Texas Medical Branch at Galveston·JournalObstetrics and Gynecology·DateApr 8, 2013

Carbon's role in planetary atmosphere formation

Researchers discovered that iron carbonyl is the main form of carbon trapped in magmas on Mars, releasing carbon monoxide and methane gases. This finding suggests that early Mars' volcanism could have released enough greenhouse gases to warm the planet significantly.

SourceBrown University·JournalProceedings of the National Academy of Sciences·DateApr 8, 2013
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.

Polluting plastic particles invade the Great Lakes

Researchers found 85% of collected particles in Lake Erie were smaller than two-tenths of an inch, with 1.5-1.7 million per square mile. Plastic pollution in the Great Lakes may be even worse than in oceans due to their large volume.

SourceAmerican Chemical Society·DateApr 8, 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.

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.

Copying is social phenomenon, not just learning, say scientists

Researchers at University of Nottingham found autistic children copy useful actions only, while typically developing children copy both necessary and unnecessary actions. This study offers new insights into social development in children with autism.

SourceUniversity of Nottingham·JournalCurrent Biology·DateApr 8, 2013

Surface diffusion plays a key role in defining the shapes of catalytic nanoparticles

Controlling the shape of nanometer-sized catalytic particles is crucial for optimizing their activity and selectivity in applications such as catalytic converters, fuel cells, and chemical catalysis. Surface diffusion plays a key role in defining these shapes. The research found that varying temperature and deposition rate can control ...

SourceGeorgia Institute of Technology·JournalProceedings of the National Academy of Sciences·DateApr 8, 2013

Exploring lincRNA's role in breast cancer

Scientists at Fox Chase Cancer Center have identified several dozen transcripts known as lincRNAs that are dysregulated in breast cancer. The study found that these lincRNAs are differentially regulated within breast cancer cell lines, indicating their potential role in tumorigenesis or regulation of other cancers.

SourceFox Chase Cancer Center·DateApr 8, 2013
Apple iPhone 17 Pro

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

High salt levels in Saharan groundwater endanger oases farming

A new study finds that importing freshwater to irrigate crops has dramatically increased the natural saltiness of Saharan groundwater, endangering date palm farming. The researchers discovered a previously overlooked low-saline water source that dilutes the saltiness of nearby groundwater aquifers.

SourceDuke University·JournalApplied Geochemistry·DateApr 8, 2013

Thinking you're old and frail

A study by Krystal Warmoth found that older adults who categorize themselves as old and frail experience a cycle of decline, leading to reduced physical activity, poor health, and stigmatization. This self-fulfilling prophecy can result in a lower quality of life.

SourceUniversity of Exeter·DateApr 8, 2013

Research advances therapy to protect against dengue virus

Researchers at MIT have developed a novel approach to protecting against the dengue virus using mutated antibodies. The new therapy has shown significant promise in neutralizing all four serotypes of the virus and could be ready for human trials within two to three years.

SourceMassachusetts Institute of Technology·JournalProceedings of the National Academy of Sciences·DateApr 8, 2013

Roadmap to 25 percent reduction in premature deaths From RHD in the under 25s by 2025 published

The World Heart Federation has published a new position statement outlining five strategic targets to achieve its goal of reducing premature deaths from rheumatic heart disease (RHD) among individuals aged <25 years by 2025. The targets include comprehensive register-based control programmes, global access to benzathine penicillin G, a...

SourceWorld Heart Federation·JournalNature Reviews Cardiology·DateApr 8, 2013

New Mayo software identifies and stratifies risk posed by lung nodules

The new software tool, CANARY, uses data from existing CT images to match each pixel of the lung nodule to one of nine unique radiological exemplars. This classification method has an excellent correlation with microscopic analysis and may help address issues with current screening methods.

SourceMayo Clinic·JournalJournal of Thoracic Oncology·DateApr 8, 2013
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.

Dutch Delta Program Commissioner wins 2013 INFORMS Edelman Award

The Dutch Delta Program Commissioner won the 2013 INFORMS Edelman Award for his work on preventing flooding using operations research techniques. The project resulted in €7.8 billion less investment costs while strengthening the country's defense against devastating floods.

SourceInstitute for Operations Research and the Management Sciences·DateApr 8, 2013

Protecting against aging at the molecular level

Researchers found that ATRX deficiency leads to increased DNA damage and telomere dysfunction. Mice lacking neural ATRX exhibited systemic endocrine dysfunction and shortened lifespans, mirroring human premature aging disorders.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 8, 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.

Byrd came oh-so-close, but probably didn't reach North Pole

Researchers used supercomputer simulations and atmospheric conditions to determine that Byrd indeed neared the Pole, but likely flew within 80 miles of it before turning back. The analysis questioned whether Byrd could have completed a 1,500-mile round trip in just 15 hours and 44 minutes.

SourceOhio State University·JournalPolar Record·DateApr 8, 2013

Recruiting engineered cells to work for warfighters

The Office of Naval Research has launched a collaborative initiative to use synthetic cells to help Sailors and Marines execute their missions. Researchers are developing genetically programmed cells that can detect chemicals and respond to signals, enabling the creation of 'smart' hybrid biological-robotic systems.

SourceOffice of Naval Research·DateApr 8, 2013

American College of Physicians releases new prostate cancer screening guidance statement

The American College of Physicians suggests that men between 50-69 discuss potential benefits and harms of the PSA test before screening. The risks include problems interpreting test results, biopsy complications, and treatment side effects. ACP recommends against testing in men younger than 50 or older than 69 with low life expectancy.

SourceAmerican College of Physicians·JournalAnnals of Internal Medicine·DateApr 8, 2013

Month of birth impacts on immune system development

A study published in JAMA Neurology found that the month of birth affects immune system development and the risk of developing multiple sclerosis (MS) in UK babies. Vitamin D levels were significantly lower in May-born babies compared to November-born babies, while autoreactive T-cells were higher.

SourceQueen Mary University of London·JournalJAMA Neurology·DateApr 8, 2013
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.

Tsai wins innovator award for plan to map molecular path to skin cancer

Kenneth Tsai, M.D., Ph.D., has been awarded the Sixth Annual Landon Foundation-AACR INNOVATOR Award for Cancer Prevention Research. The project aims to map the molecular path from normal skin to squamous cell carcinoma, with the goal of identifying biomarkers and targets for chemoprevention and therapy.

SourceUniversity of Texas M. D. Anderson Cancer Center·DateApr 8, 2013

Rapid climate change and the role of the Southern Ocean

A study published in Nature Geoscience reveals that oceanographic reorganisations and biological processes linked to airborne dust in the Southern Ocean drove past rapid fluctuations in atmospheric carbon dioxide levels. The research found large changes in chemical stratification of the Southern Ocean on millennial timescales, highligh...

SourceCardiff University·JournalNature Geoscience·DateApr 8, 2013

JCI early table of contents for April 8, 2013

Researchers identify ATRX as a crucial gene in maintaining genomic stability, preventing chromosomal mutations and rearrangements that can cause disease and aging. Atrx deficiency in mice leads to increased DNA damage, endocrine dysfunction, shortened lifespans, and degenerative phenotypes similar to human premature aging disorders.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateApr 8, 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.

Using social networks for mobilization has its limits

A recent study published in Proceedings of the National Academy of Sciences demonstrates that social networks like Twitter and Facebook can coordinate people during critical situations. However, the strategy's success is highly dependent on the users' ability to quickly disseminate information and have a large number of social links.

SourceUniversidad Carlos III de Madrid·JournalProceedings of the National Academy of Sciences·DateApr 8, 2013

Moving cells with light holds medical promise

Researchers at WashU Medicine successfully manipulate immune cells using light to move them towards a beam of light, holding potential for controlling insulin secretion or heart rate. The study uses genetic engineering techniques to introduce a light-sensitive protein into immune cells, enabling them to sense and respond to light signals.

SourceWashU Medicine·JournalProceedings of the National Academy of Sciences·DateApr 8, 2013

Ford named 2013 INFORMS Prize winner

Ford was recognized by INFORMS for its widespread use of analytics and operations research to drive business success. The company's application of advanced analytical methods has transformed it into a data-driven organization, supporting strategic and tactical decisions across multiple departments.

SourceInstitute for Operations Research and the Management Sciences·DateApr 8, 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.

American Cancer Society awards new research and training grants

The American Cancer Society has awarded 175 national research and training grants totaling $79,073,250. The grants will fund investigators at 93 institutions across the US, with a focus on esophageal cancer, retinoblastoma, childhood cancer, lung cancer, and breast cancer.

SourceAmerican Cancer Society·DateApr 8, 2013

Migraine triggers tricky to pinpoint

A new study from Wake Forest Baptist Medical Center found that identifying migraine triggers is challenging due to daily fluctuations of variables such as weather, diet, hormone levels, and stress. The researchers suggest that patients need more formal experiments and work with their doctors to devise a plan to test triggers.

SourceAtrium Health Wake Forest Baptist·DateApr 8, 2013

Developmental delays in children following prolonged seizures

Researchers found that prolonged seizures in children are associated with developmental delays and impairments within six weeks of the event, which persist at one year. The study suggests that seizures may have a long-lasting impact on future development through reorganization of functional brain networks.

SourceWiley·JournalEpilepsia·DateApr 8, 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.

UNC study finds that hot and cold senses interact

A UNC School of Medicine study found that cold perception is enhanced when nerve circuitry for heat is inactivated, impacting how people with chronic pain experience temperature sensations. The research also has implications for why some patients taking pain relief drugs shiver before hyperthermia sets in.

SourceUniversity of North Carolina Health Care·JournalNeuron·DateApr 8, 2013
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.

Antibiotic brings some improvement in fragile X syndrome, reports JDBP

A study found modest but meaningful improvements in children with fragile X syndrome who received minocycline treatment. The antibiotic yielded significant improvements in anxiety and mood-related behaviors, while behavior problems and verbal functioning showed little change.

SourceWolters Kluwer Health·JournalJournal of Developmental & Behavioral Pediatrics·DateApr 8, 2013

Older patients have higher expectations and are more satisfied with healthcare

Research reveals that older patients have higher expectations of their care and believe they are being met. GPs' patients tend to have higher expectations and better outcomes, emphasizing the importance of effective communication, adequate information, and good clinical outcomes in meeting patient needs.

SourceSAGE·JournalJournal of the Royal Society of Medicine·DateApr 8, 2013
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.

Birds find ways to avoid raising cuckoos' young

A new study suggests that swallows and martins in Europe build their nests close to humans to reduce the risk of cuckoo parasitism. By breeding indoors, these birds can avoid ejecting model cuckoo eggs from their nests, thus reducing the likelihood of cuckoo parasitism.

SourceSpringer·JournalBehavioral Ecology and Sociobiology·DateApr 8, 2013

Genes behind obesity mapped in large-scale study

A large-scale study identified seven new gene loci linked to obesity, showing a significant overlap with genetic mechanisms causing milder forms of overweight. The research included over 260,000 participants and demonstrated that extreme obesity shares similar genetic factors as normal or slightly elevated BMI.

SourceUppsala University·JournalNature Genetics·DateApr 7, 2013

Engineered T cells kill tumors but spare normal tissue in an animal model

Researchers developed a dual CAR approach that allows engineered T cells to selectively target tumor cells while sparing normal tissue. This innovative approach uses two separate antigen-specificity proteins, one for starting and another for boosting the immune response.

SourceUniversity of Pennsylvania School of Medicine·JournalCancer Immunology Research·DateApr 7, 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.

Communicating the science of the '6X°C egg' -- and much more

A researcher debunks the myth that temperature alone determines perfect eggs, highlighting the importance of cooking time. He also discusses how scientific misconceptions in cooking can be clarified through research, promoting a better understanding of chemistry and its applications.

SourceAmerican Chemical Society·DateApr 7, 2013