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Science News Archive 2015


Page 361 of 402

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

Apple iPhone 17 Pro

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

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.

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.

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.

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.

SPARC consortium provides $1.9 million for autoimmune disease research

The Strategic Pharma-Academic Research Consortium (SPARC) has awarded over $1.9 million to advance research on autoimmune diseases such as multiple sclerosis, lupus, and Crohn's disease. The funded projects will focus on understanding the root causes of these conditions and developing new treatments.

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.

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.

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.

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.

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...

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.

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.

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.

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.

Celestron NexStar 8SE Computerized Telescope

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

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.

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.

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.

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.

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.

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.

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.

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.

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.

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.

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...

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.

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.

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.

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.

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.

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.