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Science News Archive 2015 - Page 361


Page 361 of 402

Institutional prestige dominates faculty hiring, leads to systemic inequality

A new study reveals that faculty careers are largely determined by their alma mater, with only a small percentage of professors receiving training outside elite institutions. The research found a systematic bias against women with elite doctorates, who face significant career advancement barriers.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience Advances·DateFeb 12, 2015

Under pressure

Researchers found that receiving cells respond to pressure on their membranes by stiffening their skeletons to prevent movement away from the attacking cell. This process allows for close proximity of cell membranes, enabling fusion to occur.

SourceJohns Hopkins Medicine·JournalDevelopmental Cell·DateFeb 12, 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.

Key to blocking influenza virus may lie in a cell's own machinery

Researchers discovered that the immune system can turn off cellular enzymes needed by the Influenza A virus, which could lead to new treatments for flu. The study found that PAI-1 protein plays a key role in this process, and its inhibitors may be used to combat viral infections.

SourceRockefeller University·JournalCell·DateFeb 12, 2015

Looking for love? Use Reddit to give Cupid tech support

Users of popular dating services OKCupid and Tinder rely on Reddit to learn tips and strategies for online dating, including how to cheat the system and avoid common pitfalls such as trolling and catfishing. The study highlights the importance of social norms and effective matchmaking techniques in online dating.

SourceGeorgia Institute of Technology·DateFeb 12, 2015

Remoras don't suck

Researchers studied remoras' ability to attach to surfaces securely yet release easily, finding a complex mechanism involving lamellar spinules and uniquely-structured blood vessels. This discovery could inspire designs for tags or bandages that don't harm hosts.

SourceNew Jersey Institute of Technology·DateFeb 12, 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.

Instructional DVD reduces MRI scan patients' anxiety and improves scan quality

A study published in the British Journal of Health Psychology found that an instructional DVD reduced MRI scan patients' anxiety, leading to more successful scans with higher image quality. The DVD provided relaxation techniques to help patients prepare for and complete the scan.

SourceBritish Psychological Society·JournalBritish Journal of Health Psychology·DateFeb 12, 2015

Reality is distorted in brain's maps

Researchers discovered that brain's grid cells are anchored to one wall and rotated by a specific angle (7.5 degrees) to minimize symmetry and errors in navigation. The rotation is necessary to ensure accurate mapping of environments, even when landmarks are far apart.

SourceNorwegian University of Science and Technology·JournalNature·DateFeb 12, 2015

Juvenile gang members in US top 1 million, new study finds

A new study from Sam Houston State University reveals that approximately 2% of US youth are gang members, with involvement highest at age 14. Gangs have high turnover rates, recruiting new members constantly to replace those who leave.

SourceSam Houston State University·JournalJournal of Adolescent Health·DateFeb 12, 2015

Study finds positive trends in medical genetics education

A new study reveals that genetics curricula are improving, but still lag behind, with minimal instruction in years three and four of medical school. Medical schools are adopting innovative teaching strategies to incorporate genomics into training.

SourceBoston University School of Medicine·JournalGenetics in Medicine·DateFeb 12, 2015

UT Arlington computer system to reserve vehicles, send reminders to veterans

A University of Texas at Arlington computer scientist is designing a reservation/reminder software system to help veterans with Traumatic Brain Injury or Post Traumatic Stress Disorder. The system will be accessible through an android cell phone app or kiosk and can send text reminders about upcoming appointments.

SourceUniversity of Texas at Arlington·DateFeb 12, 2015
Apple iPhone 17 Pro

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

A high acid diet may have negative effects on kidney health

Patients with chronic kidney disease who consume high acid diets are 3-times more likely to develop kidney failure than those on low acid diets. A diet rich in fruits and vegetables can help protect kidneys.

SourceAmerican Society of Nephrology·JournalJournal of the American Society of Nephrology·DateFeb 12, 2015

Scientists get first glimpse of a chemical bond being born

Researchers observed atoms forming a weak bond on the path to molecule creation, with only a small fraction converting to stable products. The study paves the way for more efficient reactions in industries such as energy generation and crop fertilization.

SourceDOE/SLAC National Accelerator Laboratory·JournalScience·DateFeb 12, 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.

NIH Ebola study in macaques provides timeframes for post-mortem viral stability

A recent NIH study found that Ebola virus can remain infectious in a body for at least seven days after death, with viral RNA detectable for up to 10 weeks. The research highlights the importance of safe handling practices and suggests oral swabbing as a reliable alternative for obtaining diagnostic samples.

SourceNIH/National Institute of Allergy and Infectious Diseases·JournalEmerging Infectious Diseases·DateFeb 12, 2015

A*STAR develops systems to identify treatment targets for cancer and rare diseases

Researchers at A*STAR's Genome Institute of Singapore have developed an expert system called OncoIMPACT that combines cancer omics data with machine learning models to predict treatment targets. The system has been applied to over a thousand cancers, including melanomas and ovarian cancers, and shows promise for personalized medicine.

SourceBiomedical Sciences Institutes (BMSI)·JournalNucleic Acids Research·DateFeb 12, 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.

Bubonic bottleneck: UNC scientists overturn dogma on the plague

Researchers discovered that Yersinia pestis bacteria traffic to lymph nodes on their own, not relying on human phagocytic cells. Most microbes get trapped in a bottleneck in the skin or node, and only a few break free to cause disease.

SourceUniversity of North Carolina Health Care·JournalPLOS Pathogens·DateFeb 12, 2015

How much plastic debris moves from land to sea?

Researchers estimate that around 8 million tons of plastic waste entered the world's oceans in 2010, with coastal countries generating close to 275 million tons. To prevent this number from increasing by a full order of magnitude over the next decade, nations need to improve their waste management practices and adopt better strategies.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateFeb 12, 2015

Harm and response

A comprehensive study reveals that plants respond uniquely to different insects, activating specific genes to defend against attacks. The research shows that plants can distinguish between closely related insect species, leading to targeted defense responses.

SourceUniversity of Missouri-Columbia·JournalFrontiers in Plant Science·DateFeb 12, 2015
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.

The company you keep

Researchers at the La Jolla Institute for Allergy and Immunology report that Nuclear Factor of Activated T cells (NFAT) plays a key role in CD8 T cell exhaustion, leading to impaired immune responses. The study identifies NFAT as a molecular hub that orchestrates T cell activation and exhaustion.

SourceLa Jolla Institute for Immunology·JournalImmunity·DateFeb 12, 2015

Study: Global rainfall satellites require massive overhaul

A new study by Cornell University warns that the existing system of space-based rainfall observation satellites requires a serious overhaul due to aging technology and lack of international coordination. Replacing just two of the four outdated satellites could help close gaps in data coverage, but broader collaboration is still needed.

SourceCornell University·JournalEnvironmental Research Letters·DateFeb 12, 2015

Switching superconductivity by light

A novel superconducting transistor can be switched reversibly between ON and OFF by light-irradiation, opening a way to new high-speed devices. The device uses a photo-active electric double layer and can be controlled by both gate-voltage and light-irradiation.

SourceNational Institutes of Natural Sciences·JournalScience·DateFeb 12, 2015

Common biomarkers of sleep debt found in humans, rats

Researchers found common biomarkers of sleep debt in humans and rats, indicating a link to metabolic disorders such as weight gain, diabetes, and cardiovascular disease. The study also identified potential biomarkers, oxalic acid and diacylglycerol 36:3, which could serve as indicators of sleep quality and quantity.

SourceUniversity of Pennsylvania School of Medicine·JournalProceedings of the National Academy of Sciences·DateFeb 12, 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.

An aggressive form of HIV uncovered in Cuba

Researchers at KU Leuven's Laboratory for Clinical and Epidemiological Virology have identified a recombinant form of HIV that targets the anchor point CXCR4 early after infection, shortening the healthy phase and triggering rapid progression to AIDS. The study found abnormally high doses of the virus and defensive molecule RANTES in i...

SourceKU Leuven·JournalEBioMedicine·DateFeb 12, 2015

Making teeth tough: Beavers show way to improve our enamel

Researchers discovered beaver teeth have a harder, more resistant form of enamel built with iron that surpasses fluoride-treated enamel in acid resistance. This finding could lead to better understanding of human tooth decay and improvement on current treatments.

SourceNorthwestern University·JournalScience·DateFeb 12, 2015

Carnegie Mellon researchers reveal how mindfulness training affects health

Mindfulness training reduces stress by increasing prefrontal activity, regulating the biological stress response. This can help prevent diseases like depression, HIV, and heart disease. The study provides an evidence-based biological account of mindfulness training's effects on health.

SourceCarnegie Mellon University·JournalCurrent Directions in Psychological Science·DateFeb 12, 2015

Cerebral palsy -- it can be in your genes

Researchers at the University of Adelaide have discovered that at least 14% of cerebral palsy cases are caused by genetic mutations. This groundbreaking finding has significant implications for the diagnosis, management, and treatment of the condition.

SourceUniversity of Adelaide·JournalMolecular Psychiatry·DateFeb 12, 2015
Meta Quest 3 512GB

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

Genomic profiling for cancer of unknown primary site

A study published in JAMA Oncology found that at least one clinically relevant genomic alteration was present in most samples tested, suggesting a potential for personalized therapy. The research analyzed 200 cancer of unknown primary site (CUP) samples and identified 169 specimens with potentially targetable genomic alterations.

SourceJAMA Network·JournalJAMA Oncology·DateFeb 12, 2015

High seas fishing ban could boost global catches, equality

A high-seas moratorium would improve fisheries income distribution among maritime nations, with European and developed nations benefiting the most. Coastal catches could increase by up to 18% in a catch-neutral scenario, while others may face significant losses.

SourceUniversity of British Columbia·JournalScientific Reports·DateFeb 12, 2015

Stroke survivors may be at higher risk of having cancer

Research presented at the American Stroke Association's International Stroke Conference 2015 found that stroke survivors have a higher annual rate of age-adjusted cancer incidence compared to the general population. Additionally, stroke survivors who develop cancer are more than three times likely to die compared to those without cancer.

SourceAmerican Heart Association·DateFeb 12, 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.

Two cell-signaling molecules found to suppress the spread of melanoma

Two tiny bits of non-coding genetic material, miR-382 and miR-516b, have been found critical to stalling melanoma's spread in early-stage tumors. These microRNAs may help identify patients most likely to spread and benefit from more aggressive therapy.

SourceNYU Langone Health / NYU Grossman School of Medicine·JournalJNCI Journal of the National Cancer Institute·DateFeb 12, 2015

How the Eastern tiger swallowtail got 'scary'

The Eastern tiger swallowtail's genome has been sequenced, revealing mutations in proteins responsible for its unique circadian rhythm and stinky substance used to scare off predators. This breakthrough opens the door for more insect genome sequencing projects at an affordable price.

SourceCell Press·JournalCell Reports·DateFeb 12, 2015

AAAS 2015: New Alzheimer's targets via proteomics

Researchers at Emory University School of Medicine have discovered new Alzheimer's disease targets through proteomics, which may lead to a better understanding of the disease mechanism. They identified tangle-like structures that sequester proteins critical for RNA splicing in early stages of the disease.

SourceEmory Health Sciences·DateFeb 12, 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.

Motorized cycling may prime brain for relearning after stroke

Research suggests that motorized cycling can prime the brain for relearning everyday tasks and improve motor function in stroke patients. In a small study, 17 stroke survivors showed a 34% improvement in motor skills after exercising on a motorized stationary bike compared to voluntary cycling or no aerobic exercise training.

SourceAmerican Heart Association·DateFeb 12, 2015

Study recommends closing the high seas to fishing

A recent study led by Simon Fraser University biologist Isabelle Côté suggests that closing the high seas to fishing would have little impact on global fish catches. Most fish stocks are already shared between the high seas and exclusive economic zones, reducing the financial implications of such a closure.

SourceSimon Fraser University·JournalScientific Reports·DateFeb 12, 2015

Cancer patients rarely demand unnecessary tests and treatments

A new study of cancer patient-clinician encounters found that only a small percentage of patients requested clinically inappropriate tests or treatments. Most requests were for imaging studies, laboratory tests, or palliative care interventions, with few requesting chemotherapy or proton beam therapy.

SourceUniversity of Pennsylvania School of Medicine·JournalJAMA Oncology·DateFeb 12, 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.

New study in Science calculates amount of plastic waste going into the ocean

A recent study published in Science estimates that between 4.8 and 12.7 million metric tons of plastic enter the ocean every year, mainly from coastal regions. The researchers used a grand model to estimate the amount of plastic waste entering the ocean and found that it is significantly higher than previously estimated.

SourceSea Education Association·JournalScience·DateFeb 12, 2015

Changing stereotypes key to getting girls interested in computer science

Researchers at the University of Washington found that female teachers can inspire high school girls to be interested in computer science. The study also recommends broadening the image of who computer scientists are to counteract negative stereotypes. By shifting these stereotypes, more girls can feel included and encouraged to pursue...

SourceUniversity of Washington·JournalFrontiers in Psychology·DateFeb 12, 2015

Better catalysts, made-to-order

University of Utah scientists develop computational model to predict catalyst performance, allowing for the design of more efficient and selective catalysts. The model uses big data analysis to identify structural features that correlate with reaction selectivity.

SourceUniversity of Utah·JournalScience·DateFeb 12, 2015
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.

New fluorescent protein permanently marks neurons that fire

Researchers have developed a new fluorescent protein called CaMPARI, which permanently marks neurons that are active at a particular time. This allows scientists to visualize neural activity beyond the limited field of view of a microscope and capture snapshots of neural activity during complex behaviors.

SourceHoward Hughes Medical Institute·JournalScience·DateFeb 12, 2015

Southwest & Central Plains face unprecedented drought risk in the 21st century

A recent study suggests that both regions will experience severe droughts in the future, worse than any in the last millennium. The projections are based on computer model simulations and comparison with past climate reconstructions, indicating a future with extremely parched Southwest and Central Plains.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience Advances·DateFeb 12, 2015

Urban pollinators get the job done, SF State study finds

A study from San Francisco State University found that native bees can provide sufficient pollination for tomatoes in urban gardens, with floral resource density being the key factor. This research challenges conventional wisdom and offers good news for farmers in space-starved cities.

SourceSan Francisco State University·JournalUrban Ecosystems·DateFeb 12, 2015

Penn Medicine: Brain activity can predict increased fat intake following sleep deprivation

A new study found that sleep-deprived individuals consume more fat and less carbohydrates, while displaying increased connectivity in the salience network, which is linked to emotional responses and bodily sensations. This unique approach examines changes in brain activity's impact on eating behavior following sleep deprivation.

SourceUniversity of Pennsylvania School of Medicine·JournalScientific Reports·DateFeb 12, 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.

Oyster disease thrives in nightly dead zones

A study by Smithsonian scientists found that oyster disease is more prevalent in areas with low oxygen levels at night, which can cripple the oysters' defense against the parasite. However, surprisingly, oysters' filtration powers flag during periods of low oxygen but recover afterwards.

SourceSmithsonian·JournalPLOS ONE·DateFeb 11, 2015