Bluesky Facebook Reddit Email

Science News Archive 2015


Page 212 of 402

Inflaming the drive for suicide

Researchers found elevated cytokine levels in blood and brain of individuals with suicidality, distinguishing them from non-suicidal patients. This study contributes to understanding the role of immune system dysfunction in major psychiatric disorders, potentially leading to more personalized medicine.

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.

A supportive close friendship helps boys and girls overcome adversity

A new study finds that having a supportive best friend can positively contribute to resilience and self-reliance in young people from disadvantaged backgrounds. The research also reveals significant gender differences in how boys and girls cope with adversity through their friendships.

Forgotten fossil indicates earlier origin of teeth

A tiny tooth plate fossil, dated to over 40 years of neglect, has revealed new insights into the earliest origins of teeth in vertebrates. The study's findings suggest that teeth evolved from body scales in primitive fishes, pushing back their origin on the evolutionary tree.

Rainbow of glowing corals discovered in depths of the Red Sea

Researchers from the University of Southampton and international partners discovered glowing corals with a range of fluorescent colours in deep waters of the Red Sea. The team hopes that these pigments could be developed into new imaging tools for medical applications.

Apple iPhone 17 Pro

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

What your clothes may say about you

A new polymer-piezoelectric hybrid material has been designed to perform computations based on changes in the environment or movement, potentially responding to human vital signs. The material system is small and flexible, allowing it to be integrated into fabrics or shoes.

NIFA grant aims to assure food safety in urban gardens of Detroit

Researchers at Wayne State University aim to determine contaminant prevalence in urban agriculture soil, identify risk factors and develop guidance for safe and sustainable gardening. The project will provide urgently needed information on physical, chemical and biological contamination in urban agricultural environments.

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.

Unlocking fermentation secrets open the door to new biofuels

The study provides a powerful tool for guiding strain design and protocol optimization, facilitating the development of next-generation biofuels. It elucidates the complex system-level orchestration of metabolic reactions, gene regulation, and environmental cues during clostridial ABE fermentation.

Uninterrupted NOAC therapy during AF ablation is safe

Research presented at EHRA EUROPACE - CARDIOSTIM 2015 found that uninterrupted NOAC therapy during catheter ablation of atrial fibrillation was not associated with periprocedural bleeding or thromboembolic complications. The study included 549 patients and showed similar results for continued NOACs versus vitamin K antagonists.

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.

Study examines cesarean section delivery and autism spectrum disorder

A study examining cesarean section delivery and autism spectrum disorder found an initial association between the two, but further analysis of sibling pairs revealed no causal link. The study suggests that unknown genetic or environmental factors may contribute to the increased risk of both cesarean section and autism spectrum disorder.

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.

Tiny particles in blood useful for early diagnosis of pancreatic cancer

Researchers at MD Anderson Cancer Center have identified a potential non-invasive diagnostic tool for early pancreatic cancer detection. Glypican-1-enriched circulating exosomes were found to be present in small amounts of serum from patients with pancreatic cancer, showing high specificity and sensitivity. Early detection of pancreati...

Exceptional view of deep Arctic Ocean methane seeps

Researchers from UiT The Arctic University of Norway have imaged deep Arctic Ocean methane seeps for the first time using a custom-designed system. The images reveal over 1000 active seep sites at depths of over 1000 m, providing valuable insights into gas hydrate and climate change.

Malaysia's 'megadiverse' biology to be explored, conserved with new grant

A new $20,000 grant from the National Geographic Society will support Chan Kin Onn's research on revealing the hidden diversity and riverscape genetics of reptiles and amphibians in Malaysia. Through genetic analysis and ecological niche modeling, Chan aims to catalog and conserve species threatened by habitat destruction.

Challenging negative stereotypes to narrow the achievement gap

Researchers at Columbia University found that students who wrote about values important to them showed improved academic performance and challenged negative stereotypes. The study used text mining to analyze thousands of essays written by middle school and college students.

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.

UAlberta partnership could be a 'game-changer' for cancer patients

A multimillion-dollar research partnership at the University of Alberta is developing small molecules that can reactivate a patient's immune system to fight cancer. The team plans to have a 'lead structure' drug ready by the end of the second year, with the potential for human trials by 2020.

Girls suffer more overuse injuries in teen sports

Girls are at a higher risk of overuse injuries in high school sports, with girls track, field hockey, and lacrosse showing the highest rates. Varying movement and prioritizing rest and nutrition can help prevent these injuries.

Eating in the absence of hunger: A recipe for expanding waistline

A QUT study found that compulsive snacking when not hungry is a major cause of weight gain. Volunteers who were offered extra chocolate snacks despite feeling full consumed more, with those eating most being heavier and more impulsive. Repeated snacking without hunger poses a risk factor for weight gain.

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.

Giving atoms their marching orders

Scientists at the University of South Carolina and University of Florida have created a new system for studying gas flow in narrow tubes with single-file atom movement. By comparing these nanotubes to wider tubes, researchers aim to understand fundamental processes involved in gas separation and membrane technology.

Nanowires could be the LEDs of the future

Researchers at the Niels Bohr Institute have discovered a way to design nanowires for LEDs that use less energy and provide better light. By using X-ray microscopy, they can pinpoint the optimal structure of these tiny wires, leading to more efficient core/shell designs.

Could 'virtual reality' treat alcoholism?

A new study suggests that virtual reality therapy may help people with alcohol dependence reduce their craving for alcohol. The therapy involves exposing patients to situations that trigger fear and anxiety, then teaching them to manage those situations in real life.

Celestron NexStar 8SE Computerized Telescope

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

Eavesdropping on the body: New device tracks chemical signals within cells

Researchers at the University of Toronto have developed a new device that can track chemical signals within cells, allowing for faster and more accurate detection of cancerous growth. The device uses digital microfluidics to deliver rapid sequences of chemicals, enabling scientists to study cell responses in unprecedented detail.

Brain imaging technique receives NIH grant

A new laser-based technique called multi-exposure speckle imaging (MESI) aims to provide accurate blood flow measurements during neurosurgery. The technology has the potential to transform images and enable surgeons to distinguish healthy arteries from blocked ones, allowing for better assessment of problem areas.

DNA shed from head and neck tumors detected in blood and saliva

Scientists successfully identified tumor DNA shed into the blood and saliva of patients with head and neck cancer, offering a promising new screening test. Saliva tests fared better for oral cavity cancers, while blood tests excelled in detecting cancers in the larynx, hypopharynx, and oropharynx.

Fluke 87V Industrial Digital Multimeter

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

Recycled water, salt-tolerant grass a water-saving pair

Plant breeders are developing salt-tolerant grass to conserve water, using treated wastewater in turf grass cultivation. The research found that additive genetic effects play a crucial role in salt tolerance, allowing breeders to select for desirable traits.

Artifical neuron mimicks function of human cells

Scientists at Karolinska Institutet have created an organic bioelectronic device that can receive chemical signals and relay them to human cells, mimicking the function of a human nerve cell. This innovation has the potential to improve treatments for neurological disorders by bypassing damaged nerve cells.

How the brightest lights in the universe 'flicker'

Astronomers discover active galactic nuclei (AGN) exhibit flickering behavior, switching on and off every 200,000 years. This phenomenon affects star formation in host galaxies, with radiation from AGN potentially delaying or preventing the collapse of gas clouds.

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.

As smoking declines, more are likely to quit

A new study finds that as smoking declines overall, remaining smokers are actually less likely to smoke and more likely to quit. The study challenges the need to promote e-cigarettes as a harm reduction strategy, suggesting that current tobacco control policies have been successful in reducing smoking prevalence.

Giant comet-like tail discovered on small exoplanet

A team of scientists has discovered a massive cloud of hydrogen escaping from the atmosphere of GJ436b, a Neptune-sized exoplanet located 33 light years away. This phenomenon may help explain the formation of hot and rocky 'super-earths' and potentially detect extrasolar oceans.

Meta Quest 3 512GB

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

Study reveals how our brains can form first impressions quickly

Researchers at the University of Edinburgh found that the primary visual cortex controls fast responses to animal images, contradicting previous theories. The brain categorizes scenes based on small areas of shape and texture before using complex processing to identify objects.

Diabetic blindness: UVA IDs best source of stem cells to block vision loss

Researchers have evaluated the best potential sources for adult stem cells to be used for treating diabetic retinopathy. They found that cells taken from donors without diabetes are more effective than those from patients' own bodies. This discovery provides a crucial framework for evaluating stem cells for future treatments.

Targeting telomeres, the timekeepers of cells, could improve chemotherapy

Scientists at the Salk Institute discovered that telomeres play a more central role in a self-destruct program in cells that prevents tumors than previously thought. This process, called crisis, can be exploited to improve cancer therapies by targeting telomeres and making cells more susceptible to chemotherapy.

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.

Medical research not addressing patient and clinician priorities

A recent study published in Research Involvement and Engagement found that research on treatments for health problems like diabetes and schizophrenia is not focused on the most important treatments considered by patients and clinicians. The study reveals marked differences between the types of treatments highlighted as priorities by pa...

Researchers reconstruct dinosaur tracks

Researchers reconstructed dinosaur tracks at a 154-million-year-old quarry site, suggesting carnivorous dinosaurs hunted herbivorous island-dwelling dinosaurs. The digital model reveals that the predators could have immigrated via a land bridge as sea levels dropped.

University of Iowa studies impact of marijuana on driving

A new study conducted at the University of Iowa's National Advanced Driving Simulator found that drivers who use both alcohol and marijuana together weaved more on a virtual roadway than those using either substance independently. The study, which analyzed the effects of inhaled cannabis on driving performance, also found no double eff...

New knowledge: Parkinson's disease may begin in the gut

Researchers found that patients who had undergone vagotomy were protected against developing Parkinson's disease, with a risk halved after 20 years. The study suggests that Parkinson's disease begins in the gut and spreads via the vagus nerve to the brain.

The pertussis pathogen -- New findings

Researchers discovered that the protein structure of a key membrane protein differs from a previously postulated model, providing a basis for new treatments. The study reveals how the protein pore opens and closes in response to substrate binding, offering insights into the pathogen's attachment mechanism.

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.

How will cold-loving Antarctic fish respond to warming ocean waters?

Research aims to understand how Antarctic fish will respond to rising ocean temperatures, which could impact the food web and ecosystem. The study will focus on embryo viability, development rate, and temperature stress response in two species, and provide data for informing climate change strategies.

Old-school literature search helps ecologist identify puzzling parasite

A months-long literature search uncovered evidence that a microscopic aquatic parasite, Blastulidium paedophthorum, is a widespread and virulent multi-host parasite in southeastern Michigan lakes. The research found that the parasite significantly impacts host fecundity without reducing Daphnia lifespan.