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Science News for April 21, 2015


Surprising contributor to Rett syndrome identified

Researchers at the University of Virginia Health System identified a surprising contributor to Rett syndrome: immune cells bearing a mutated MeCP2 gene. These macrophages amplify disease progression by failing to maintain tissue homeostasis, highlighting the immune system as a promising therapeutic target.

SourceUniversity of Virginia Health System·JournalImmunity·DateApr 21, 2015
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.

Maternal stress increases development of fetal neuroblastoma in animal model

Researchers at Georgetown University Medical Center found that maternal stress can increase the risk of fetal neuroblastoma in mice. The study showed that even non-stressed handling of the animals led to a faster development of cancer, suggesting that prenatal stress may exacerbate genetic mutations that promote tumor growth.

SourceGeorgetown University Medical Center·DateApr 21, 2015

Immune cells support good gut bacteria in fight against harmful bacteria

Research at University of Chicago Medical Center reveals how immune system shapes gut microbiota to limit infections, providing a potential new approach to prevent bacterial infections without antibiotics. The study identifies a critical protein ID2 that plays a key role in this process.

SourceUniversity of Chicago Medical Center·JournalImmunity·DateApr 21, 2015

Printing silicon on paper, with lasers

A new fabrication technique allows for direct production of polycrystalline silicon on flexible surfaces, enabling the creation of wearable electronics and other applications. The method bypasses a traditional thermal annealing step, making it more suitable for use with flexible substrates.

SourceAmerican Institute of Physics·JournalApplied Physics Letters·DateApr 21, 2015
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.

Breathless: How blood-oxygen levels regulate air intake

A University of Chicago research team describes the precise mechanism used by carotid body cells to detect oxygen levels and regulate breathing rates. The primary sensor is heme oxygenase-2, which induces synthesis of carbon monoxide to stimulate or relax breathing.

SourceUniversity of Chicago Medical Center·JournalScience Signaling·DateApr 21, 2015

Global warming progressing at moderate rate, empirical data suggest

A new study suggests global warming is not as fast as predicted, with natural variability accounting for recent temperature changes. This 'middle-of-the-road' scenario could result in 11-year hiatuses in warming, making it more plausible than the most severe IPCC projections.

SourceDuke University·JournalScientific Reports·DateApr 21, 2015

Trial shows benefit of 'BRCA-targeting' drug in prostate cancer

A major trial has shown that olaparib can effectively treat advanced prostate cancer in men with defects in DNA repair genes. The results suggest that up to 30% of patients with terminal prostate cancer may benefit from the drug, which could become a treatment option if replication is confirmed in further trials.

SourceInstitute of Cancer Research·DateApr 21, 2015
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.

BMC develops protocol for preserving forensic evidence after a terrorist attack

The BMC protocol provides a set of predetermined guidelines for processing and preserving forensic evidence in surgical specimens after a terrorist attack. Key findings include the importance of identifying a team to handle all surgical specimens, obtaining labeled photographs and x-rays, and storing forensic evidence securely.

SourceBoston University School of Medicine·JournalArchives of Pathology & Laboratory Medicine·DateApr 21, 2015

Zip me up!

Researchers have identified the specific molecules involved in skin fusion during wound healing, using fruit fly embryos as a model system. The study reveals a complex process involving molecular machines and cellular components that work together to fuse the skin, with microtubules playing a crucial role in this process.

SourceGoethe University Frankfurt·JournalNature Cell Biology·DateApr 21, 2015

Scientists identify brain circuitry responsible for anxiety in smoking cessation

Neuroscientists have identified a novel brain circuit responsible for anxiety during nicotine withdrawal, which could lead to new treatments for smokers trying to quit. The study found that a region called the interpeduncular nucleus is activated and causes anxiety, offering a distinct target for dampening affective symptoms.

SourceUMass Chan Medical School·JournalNature Communications·DateApr 21, 2015
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 genes are expressed in reverse: Discovered a regulatory mechanism of antisense DNA

Researchers at IDIBELL have discovered a molecular mechanism that explains how antisense DNA transcripts regulate gene expression in cancer. The findings provide new clues and mechanisms to understand the functions and alterations of these transcripts in cancer, including their role in tumor invasion.

SourceIDIBELL-Bellvitge Biomedical Research Institute·JournalProceedings of the National Academy of Sciences·DateApr 21, 2015

Pacific Coast Undergraduate Mathematics Conference honored for achievements

The Pacific Coast Undergraduate Mathematics Conference has been recognized for its efforts to encourage students from underrepresented groups to pursue mathematics. The conference provides a supportive atmosphere for students to present their work, interact with mathematicians, and gain insights into career options.

SourceAmerican Mathematical Society·DateApr 21, 2015
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.

Phytoplankton, reducing greenhouse gases or amplifying Arctic warming?

A recent study by POSTECH researchers suggests that phytoplankton may amplify Arctic warming under greenhouse conditions, contrary to previous assumptions. The growth of phytoplankton is triggered by the melting of sea ice, leading to a positive feedback loop that warms the ocean surface and amplifies climate change.

SourcePohang University of Science & Technology (POSTECH)·JournalProceedings of the National Academy of Sciences·DateApr 21, 2015

Sweet potato naturally 'genetically modified'

Researchers at Ghent University discovered that sweet potatoes contain genes from the bacterium Agrobacterium, which were likely introduced through horizontal gene transfer. The findings suggest that genetic modification also occurs in nature, and could have implications for our understanding of plant evolution.

SourceGhent University·JournalProceedings of the National Academy of Sciences·DateApr 21, 2015
Apple iPhone 17 Pro

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

Traffic emissions may pollute 1 in 3 Canadian homes

A recent study by University of Toronto engineers found that air pollution from vehicle tailpipes can spread farther than thought, with varying levels across cities. One in three Canadians lives within 250 meters of a major roadway, where exposure to pollutants can be up to ten times higher.

SourceUniversity of Toronto Faculty of Applied Science & Engineering·JournalAtmospheric Environment·DateApr 21, 2015

New gene therapy success in a rare disease of the immune system

A new gene therapy treatment has shown significant clinical improvement in six patients with Wiskott-Aldrich Syndrome, a rare and complex immune disorder. The treatment involves correcting genetic anomalies in blood stem cells using a lentiviral vector, resulting in restored immune function and reduced symptoms.

SourceAFM-Téléthon·JournalJAMA·DateApr 21, 2015

UT Austin researchers inform development of Ebola vaccine trials

Researchers used TACC's Lonestar4 supercomputer to simulate and analyze data for various vaccine trial designs. They found that a phased-rollout randomized controlled trial would provide better information about the effectiveness of an Ebola vaccine.

SourceUniversity of Texas at Austin, Texas Advanced Computing Center·JournalThe Lancet Infectious Diseases·DateApr 21, 2015

Caltech researchers create 'comb' that detects terahertz waves with extreme precision

Researchers at Caltech have developed a device called a frequency comb to detect terahertz waves, allowing for precise measurement and identification of molecules in space. The device can measure thousands of frequencies simultaneously, enabling scientists to analyze the chemical fingerprints associated with various molecules.

SourceCalifornia Institute of Technology·JournalPhysical Review Letters·DateApr 21, 2015
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.

Babies feel pain 'like adults'

A pioneering Oxford University study using MRI scans found that babies experience pain much like adults, with 18 of 20 brain regions active in adults also active in babies. The study suggests that infants may be more sensitive to pain than adults and highlights the need for improved pain relief guidelines.

SourceUniversity of Oxford·DateApr 21, 2015

A sex difference in competitiveness even among the fastest runners

A recent study published in PeerJ assessed over 1,100 collegiate distance runners and found that the sex difference in competitiveness persisted among the fastest runners. The researchers used surveys to evaluate each runner's motivation, training volume, and desire to compete at an elite level after college.

SourcePeerJ·JournalPeerJ·DateApr 21, 2015
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.

Online discussion forums good for well-being, study shows

A new study reveals that online forums have positive links to well-being and are associated with increased community engagement offline. Users of these forums who engage more with others experience greater benefits, including improved mental health and increased involvement in offline activities.

SourceUniversity of Exeter·JournalComputers in Human Behavior·DateApr 21, 2015

Certain interactive tools click with web users

Researchers examined how people interacted with various web navigation tools to find that interactive tools can shape user perceptions of website content. Participants preferred simple clicking and mouse-over tools over more complex features like the 3D carousel.

SourcePenn State·DateApr 21, 2015

Have we achieved the millennium development goals?

The millennium development goals have made remarkable progress in areas such as child mortality reduction and HIV prevention. However, significant shortfalls remain in other areas, including newborn death rates and undernutrition.

SourceBMJ Group·JournalThe BMJ·DateApr 21, 2015

First case of rabies in over a decade: Lessons for health-care personnel

A team of French clinicians diagnosed a patient with rabies after an unusual clinical presentation despite no obvious exposure to animal bites. The strain was identified as circulating among dogs in West Africa, highlighting the risk of healthcare personnel via bodily fluids.

SourceAmerican Society for Microbiology·JournalJournal of Clinical Microbiology·DateApr 21, 2015

Patients grapple with high cost of arthritis medications

A recent study found that patients with rheumatoid arthritis face high initial copayments and then fall into a coverage gap, where they pay 45% of drug costs. This financial burden can be substantial, with some patients paying over $2,700 annually before receiving relief from catastrophic coverage.

SourceWiley·JournalArthritis & Rheumatology·DateApr 21, 2015
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.

Engineered softwood could transform pulp, paper and biofuel industries

Scientists demonstrate potential for engineered softwoods to process more easily into pulp and paper by incorporating S-monomers, a key feature of hardwoods. This breakthrough could improve industry economics and reduce environmental impact by making biomass processing faster and more efficient.

SourceUniversity of Wisconsin-Madison·JournalProceedings of the National Academy of Sciences·DateApr 21, 2015

Caring for blindness: A new protein in sight?

Researchers discover that blocking Slit2 protein prevents pathological blood vessel development in the retina, leading to a potential new treatment for vasoproliferative ocular diseases. The study suggests that therapies targeting Slit2 and its receptors may be beneficial for patients resistant to conventional anti-VEGF therapies.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalNature Medicine·DateApr 21, 2015

Virtual telescope expands to see black holes

Astronomers have combined telescopes across the Earth to create the Event Horizon Telescope, which will take detailed images of the supermassive black hole at the center of the Milky Way galaxy. The South Pole Telescope has joined the EHT, bringing a two-to-three times increase in resolution to study black holes and test Einstein's the...

SourceUniversity of Arizona·DateApr 21, 2015
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.

What happens when multiple sclerosis patients stop taking their medication?

A new study found that nearly 40% of multiple sclerosis patients who stopped taking their medication experienced some level of disease activity. Patients who stopped taking their medication were more likely to experience relapses and disability progression than those who continued treatment.

SourceNYU Langone Health / NYU Grossman School of Medicine·DateApr 21, 2015

Amazon rainforest losses impact on climate change, study shows

A recent study reveals that human activity has removed over one-tenth of trees and plants from the Amazon since the 1960s, contributing to rising carbon dioxide levels. The deforestation has increased the atmosphere's carbon content by 1.5% since the mid-19th century.

SourceUniversity of Edinburgh·JournalGeophysical Research Letters·DateApr 21, 2015

Fishing impacts on the Great Barrier Reef

Research reveals that removing predatory fish through fishing causes significant changes to the reef's fish populations, altering the balance of the ecosystem. The study supports the continued use of marine reserves, which are effective in preserving predator numbers.

SourceARC Centre of Excellence for Coral Reef Studies·JournalEcosphere·DateApr 21, 2015

Type 2 diabetes: Understanding regulation of sugar levels for better treatment

Researchers have identified a new mechanism that controls glucagon secretion in humans, which could lead to more effective treatment of type 2 diabetes. By understanding this phenomenon, it is possible to elucidate the paradoxical effect of a new class of diabetes drugs and suggest modifications to this new type of treatment.

SourceINSERM (Institut national de la santé et de la recherche médicale)·JournalNature Medicine·DateApr 21, 2015
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.

RIT scientist chosen as an Astronomy in Chile Educator Ambassador

Brian Koberlein, RIT's senior lecturer in Physics and Astronomy, will visit telescope sites in Chile from June 20-30 to learn about instruments and research. He aims to bring this connection to his students, highlighting US astronomy efforts and their impact on society.

SourceRochester Institute of Technology·DateApr 21, 2015

Getting better all the time: JILA strontium atomic clock sets new records

The JILA strontium atomic clock has achieved unprecedented precision and stability levels, outperforming previous world records by more than three times. This breakthrough enables the measurement of tiny changes in time and gravity, with applications in advanced communications, positioning technologies, and relativistic geodesy.

SourceNational Institute of Standards and Technology (NIST)·JournalNature Communications·DateApr 21, 2015

Why some neurons 'outsource' their cell body

Using mathematical models, researchers show that externalizing the cell body increases electrical signal transmission at no additional energetic cost. This design allows for efficient transmission of small input signals to neighboring cells.

SourceBernstein Coordination Site (BCOS)·JournalCurrent Biology·DateApr 21, 2015
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.

New archive creates global access to rare African photos

A new archive of Malian photography has been created, providing valuable documentation of modernization in West Africa. The archive features original black-and-white negatives dating from the 1940s, offering a unique perspective on village-based lifestyles and cultural practices.

SourceMichigan State University·DateApr 21, 2015
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Higher education finds a better way to implement cloud services

The Internet2 NET+ initiative brings together universities to develop a collaborative strategy for cloud technology offerings, ensuring standards are met for security, accessibility, and integration. By leveraging the cloud, institutions can improve operating efficiency, enhance collaboration, and reduce costs.

SourceInternet2·DateApr 21, 2015

Extending climate predictability beyond El Niño

Researchers have made breakthroughs in predicting tropical Pacific climate variations, extending the lead time from three seasons to up to three years. The new findings reveal a more complex relationship between the Atlantic and Indian Oceans, providing insights into long-term climate variability and its impact on global weather patterns.

SourceUniversity of Hawaii ‑ SOEST·JournalNature Communications·DateApr 21, 2015

Concerns over UK government plan to increase participation in school rugby

Experts from Queen Mary University of London warn that the UK government's plan to increase school rugby participation ignores serious levels of injury, lack injury surveillance systems, and fails to address tackle safety. The researchers call for the implementation of injury prevention programmes and monitoring strategies.

SourceQueen Mary University of London·JournalThe BMJ·DateApr 21, 2015
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.

Protein identified that serves as a 'brake' on inflammation

A study led by St. Jude Children's Research Hospital scientists identified a protein called NLRP12 that helps regulate inflammation in T cells. The findings suggest how mutations in the Nlrp12 gene cause disease, paving the way for developing targeted therapies to ease symptoms of autoinflammatory diseases like multiple sclerosis and c...

SourceSt. Jude Children's Research Hospital·JournalImmunity·DateApr 21, 2015
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.

Calculating how the Pacific was settled

A University of Utah anthropologist analyzed statistics to determine how Pacific islands were settled between 3,500 and 900 years ago. The study found that seafarers traveled mostly against prevailing winds and sought easily visible islands, rather than relying on distance or resource availability.

SourceUniversity of Utah·JournalAmerican Antiquity·DateApr 21, 2015

UAlberta research reveals new possibilities for islet and stem cell transplantation

Researchers have developed a new technique for islet transplantation under the skin, which shows promise in reversing diabetes in preclinical models. This approach harnesses the body's natural ability to respond to a foreign body by growing new blood vessels, offering a safer and more reliable treatment option.

SourceUniversity of Alberta Faculty of Medicine & Dentistry·JournalNature Biotechnology·DateApr 21, 2015

Incidence of serious diabetes complication increases in Colorado youth

A study found a significant increase in diabetic ketoacidosis rates among Colorado youth with type 1 diabetes, from 39% in 1998 to 46% in 2012. The incidence of this life-threatening complication rose sharply after 2007, coinciding with an increase in child poverty prevalence.

SourceUniversity of Colorado Anschutz Medical Campus·JournalJAMA·DateApr 21, 2015

'Holey' graphene for energy storage

Researchers at the University of California - San Diego have discovered a method to increase electric charge storage in graphene, a two-dimensional form of carbon. The 'holey' structure introduces charged defects that increase capacitance by three-fold, making it useful for quick bursts of energy.

SourceUniversity of California - San Diego·JournalNano Letters·DateApr 21, 2015
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.

Finding liver cancer early and reversing its course

Researchers have discovered a damaged DNA lesion that may serve as an early biomarker for liver cancer. Polyphenon E, a green tea extract, also shows promise in suppressing the lesion and preventing tumor development.

SourceGeorgetown University Medical Center·DateApr 21, 2015

Regular consumption of yogurt does not improve health

A Spanish study involving over 4,400 adults found no link between regular yogurt consumption and improved physical and mental parameters. The study suggests that more specific instruments are needed to determine potential benefits of yogurt on health.

SourceSpanish Foundation for Science and Technology·JournalJournal of the Academy of Nutrition and Dietetics·DateApr 21, 2015
Fluke 87V Industrial Digital Multimeter

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

Messenger RNA-associated protein drives multiple paths in T-cell development

A new study found that an increase in CELF2 expression drives widespread changes in mRNA splicing during T-cell development, leading to physiologically important changes in proteins. The research provides unprecedented insight into the regulation of splicing during thymic development and reveals a biologic role for CELF2 in human T cells.

SourceUniversity of Pennsylvania School of Medicine·JournalProceedings of the National Academy of Sciences·DateApr 21, 2015

Childhood cancer survivors more likely to claim social security support as adults

A recent study from Huntsman Cancer Institute found that childhood cancer survivors are more than five times as likely to be enrolled in federal social security disability assistance programs compared to individuals without a cancer history. The study identified survivor socio-demographic and treatment characteristics associated with a...

SourceUniversity of Utah Health·JournalJNCI Journal of the National Cancer Institute·DateApr 21, 2015

Ability to identify 'killer' bees a boon to the honeybee industry

A genetic test has been developed to identify 'killer' bees, allowing for the safe import of Varroa-resistant honeybees from countries where killer bees are present. This technology is crucial for preventing losses in Australia's $4-6 billion crop industry relying on honeybee pollination.

SourceUniversity of Sydney·JournalMolecular Ecology Resources·DateApr 21, 2015

How to approach your boss about a treadmill desk

New research from Brigham Young University suggests treadmill desks can increase physical activity in the workplace without significantly impacting cognitive performance. The study found that walkers showed slight decreases in processing speed and attention, but retained their learning and performed well on non-cognitive tasks.

SourceBrigham Young University·JournalPLOS ONE·DateApr 21, 2015

Immune system protein regulates sensitivity to bitter taste

Research from Monell Center reveals that tumor necrosis factor (TNF) helps regulate sensitivity to bitter taste. In normal mice, TNF makes foods taste more bitter during illness due to increased sensitivity. This finding may explain the decreased food intake associated with infections and chronic inflammatory diseases.

SourceMonell Chemical Senses Center·DateApr 21, 2015
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.

Sex matters ... even for liver cells

A study found that female liver cells are more susceptible to adverse effects of drugs than male counterparts, particularly postmenopausal women. The findings highlight the need for a sex-specific approach in toxicology and suggest that current theories cannot explain why women are generally more sensitive to drug toxicity.

SourceEuropean Commission Joint Research Centre·JournalPLOS ONE·DateApr 21, 2015

Cost-efficiency of plug-in hybrids calculated a thousand times faster

Researchers at Chalmers University of Technology have developed a new method to calculate the cost-efficiency of plug-in hybrids, significantly reducing calculation time. The convex optimisation algorithm allows for rapid feedback and consideration of various parameters affecting the overall cost.

SourceChalmers University of Technology·DateApr 21, 2015

New tabletop detector 'sees' single electrons

Physicists at MIT have developed a new tabletop particle detector that can identify single electrons in radioactive gas. The detector uses a magnet to trap and detect the weak signals emitted by the electrons, which are then used to map their precise activity over several milliseconds.

SourceMassachusetts Institute of Technology·JournalPhysical Review Letters·DateApr 21, 2015
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.

Rafts on the cell membrane

Researchers used advanced techniques to study single molecules and protein interactions on the cell membrane. The findings revealed that lipid rafts, previously thought to move within the membrane, do not exist. Instead, proteins may be anchored at specific positions on the surface, influencing cellular processes.

SourceVienna University of Technology·JournalNature Communications·DateApr 21, 2015
Celestron NexStar 8SE Computerized Telescope

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

Children at risk for type 1 diabetes show immune response when given oral insulin

Researchers found that children given daily doses of oral insulin developed a protective immune response to the disease, which could lead to the development of a vaccine against type 1 diabetes. The study showed increased immunity with higher doses of oral insulin, suggesting a potential treatment strategy.

SourceUniversity of Colorado Anschutz Medical Campus·JournalJAMA·DateApr 21, 2015

Early child care experiences play role in kids' future

A Queensland University of Technology study found that centre-based child care and multiple care arrangements in early years improve children's academic competencies. However, high-dose child care may lead to negative impacts on social-emotional, academic, and health outcomes.

SourceQueensland University of Technology·DateApr 21, 2015