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Science News Archive 2018


Page 46 of 473

How reliable are search terms for SEO and SEM results?

A recent study published in Marketing Science proposes a semantic approach to estimating consumer content preferences from online search queries. The researchers used a topic model that combines information from multiple search queries and their associated search results to establish context for individual search terms.

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.

MRI scans shows promise in predicting dementia

Researchers used diffusion tensor imaging to assess white matter health and found that individuals who went on to experience cognitive decline had significantly more signs of damage. The study predicted cognitive decline with 89% accuracy, rising to 95% when focusing on specific brain areas.

Reducing the impact forces of water entry

Researchers at Utah State University have found that creating cavities in the water's surface can significantly reduce the initial impact force of objects entering a body of water. This phenomenon, known as 'free surface preparation,' has been tested with spheres and resulted in a 40-60% reduction in impact force. The study has potenti...

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.

Exoplanet stepping stones

Scientists at the W.M. Keck Observatory have made robust data on a young giant gas planet, confirming its water composition and lack of methane. The team is perfecting their technique using advanced instrumentation to study giant planets and prepare for future searches for life on Earth-like exoplanets.

The eyes have it

High levels of prions were found throughout the eyes of deceased sCJD patients, suggesting the eye as a potential source for early detection and prevention of disease transmission. Researchers also discovered that prion seeds accumulate in the retina, with implications for diagnostic tests before symptoms become apparent.

A Mexican cavefish with a scarred heart

Scientists have discovered that a Mexican cavefish can regenerate its heart tissue, unlike its blind and translucent cousin. Researchers found three DNA segments responsible for the ability to regenerate heart tissue, shedding light on the genetic mechanisms behind this process.

Australian mammals at greatest risk from cats and foxes, new study

A new study categorizes Australian land mammals by their susceptibility to predation by feral cats and red foxes, revealing 63 of the 100 surviving mammal species are highly susceptible. The most vulnerable species include potoroos, bandicoots, bettongs, native rodents, and several marsupial species.

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.

Is Antarctica becoming more like Greenland?

Researchers warn that Antarctica's ice sheet, which holds 190 feet of potential sea level rise, is under stress due to increasing meltwater on its surface. This could lead to the collapse of ice shelves and increased flow of ice into the ocean, contributing to global sea level rise.

PCORI board approves $54 million to support comparative effectiveness research

The Patient-Centered Outcomes Research Institute (PCORI) has approved $54 million to fund 12 new studies comparing different treatments for various conditions, including post-traumatic stress disorder and age-related hearing loss. These studies aim to answer important questions that can inform patient care and outcomes.

Apple iPhone 17 Pro

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

Volcanoes and glaciers combine as powerful methane producers

Researchers at Lancaster University found that Sólheimajökull glacier releases up to 41 tonnes of methane daily during summer months, exceeding average methane loss from non-glacial rivers. This discovery highlights the potential for glaciers to be significant sources of methane in the atmosphere.

Studying water flow for more efficient aquaponic systems

Researchers at the University of New Hampshire are studying water flow in fish tanks to improve aquaponic systems. Their study suggests that reducing water flow rates can result in similar velocity profiles, leading to lower operational costs. The findings aim to increase sustainable food production through integrated farming methods.

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.

New information on the pathological mechanisms of Alzheimer's disease

A recent study by the University of Helsinki reveals that pathological tau triggers a safety valve mechanism in cell membranes, leading to accelerated neuronal cell death and loss of synapses. Omega-3 fatty acids have been found to modify the microstructure of cell membranes, capturing tau aggregates within cells.

How your moving brain sees the world

Researchers from NERF used Neuropixels probes to measure electrical activity of hundreds of neurons simultaneously, revealing that both visual cortex and thalamus are affected by movement. This discovery suggests that locomotor modulations may improve processing of fast-changing visual scenes during exploration and navigation.

Aquatic animals that jump out of water inspire leaping robots

Researchers design robotic system inspired by jumping copepods and frogs, revealing the importance of body size and entrained water mass in achieving maximum jumping heights. The robot's limitations highlight the challenges of entering or exiting air-water interfaces.

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.

Among birds-of-paradise, good looks are not enough to win a mate

Researchers found that female birds-of-paradise prioritize a combination of characteristics, including the number of colors on a male's plumage and his singing ability. The study also revealed that males who display on the ground have more dance moves than those in trees or forest understories.

Machine learning can be used to predict which patients require emergency admission

A new study from The George Institute for Global Health at the University of Oxford found that machine learning models can accurately predict the risk of emergency hospital admissions. By analyzing electronic health records, these models identified factors such as age, sex, and socioeconomic status to provide a more robust prediction t...

A smartphone and new software could help save infants born preterm

A new machine learning algorithm combined with a handheld smartphone device can accurately estimate the gestational age of premature newborns. The technology has the potential to aid healthcare workers in remote and low-income countries, where preterm births are a leading cause of child mortality.

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.

NASA sees Tropical Depression 33W affecting Philippines

Tropical Depression 33W, also known as Cyclone Samuel, has triggered warnings and watches in the Philippines. The storm system moved into the central part of the country on November 20, bringing strong winds and heavy rainfall.

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.

Eyes of CJD patients show evidence of prions

Scientists have discovered evidence of infectious prions in the eyes of deceased Creutzfeldt-Jakob disease (CJD) patients, which could lead to early diagnosis and treatment of this fatal neurodegenerative disease. The finding raises concerns about the safety of routine eye exams and corneal transplants.

Babies born with broken hearts

Fetal single ventricle defects can be identified with echocardiograms, but irregular filling mechanics may contribute to defects in developing fetal hearts. Researchers are exploring how flow patterns affect outcome and could use fluid dynamics to advance the mechanistic understanding of heart failure in children.

NASA tracks Tropical Depression Toraji in the Gulf of Thailand

Tropical Depression Toraji formed on Nov. 19 and briefly existed before regenerating in the Gulf of Thailand on Nov. 20. The storm's maximum sustained winds were near 25 knots (28.7 mph) and was moving west-southwest, expected to dissipate in the Malakka Strait.

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.

Holistic management of emerging forest pests and diseases

The HOMED project aims to develop a full panel of scientific knowledge and practical solutions for managing emerging native and non-native pests and pathogens threatening European forests. Forest health will be considered broadly, including trees in forests, nurseries, urban, and rural areas.

To predict the future, the brain uses two clocks

Researchers at UC Berkeley found that humans rely on two distinct neural networks to predict the future in tasks like music and sports. The basal ganglia system is sensitive to rhythmic cues, while the cerebellum relies on interval timing based on past experiences.

Retailers can manipulate consumer regret to beat competitors

A new study by University of California - Riverside researchers finds that retailers can survive the entry of everyday low price retailers into a highly competitive market by controlling product availability and consumer regret. The results explain why markdown pricing remains ubiquitous despite its simplicity and marketing advantages.

Being fair: The benefits of early child education

A new study published in Nature Communications found that children from low-income families who received early intensive education tend to exhibit high levels of fairness in their decision-making processes decades later. They are more sensitive to inequality and prioritize long-term benefits over short-term gains, suggesting a lasting ...

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.

Vaping no boost to quit rates in smokers, study suggests

A new Ohio State University study of 617 tobacco users found that vaping did not boost quit rates, and dual users were no more likely to stop smoking. Researchers say the results suggest that for heavy smokers, tried-and-true methods like medication and nicotine replacement are still the best approach.

Machine learning masters the fingerprint to fool biometric systems

Researchers at NYU Tandon created synthetic fingerprints capable of spoofing smartphone fingerprint sensors, potentially fooling up to one in five people. The 'DeepMasterPrints' can match multiple prints stored in databases and unlock devices, highlighting the need for multi-factor authentication.

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.

Revisiting the hub of protein synthesis

Researchers at InStem have identified distinct markers to distinguish ribosomes that are specialized for producing specific sets of proteins. These findings suggest a novel role for the Fragile X Mental Retardation Protein in modifying ribosomal RNA and regulating protein synthesis.

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.

Depressed people have an increased risk of atrial fibrillation

A nationwide Danish study found that depressed individuals have a higher risk of developing atrial fibrillation. The study also revealed that antidepressant medication itself is not associated with the development of atrial fibrillation, contradicting previous concerns.

Why macrophages rest in healthy tissue

Researchers have discovered that macrophage activity is lowered when they sit in tissue between cells, even with pro-inflammatory stimuli present. This mechanism helps prevent unnecessary inflammatory responses in healthy tissues.

Frogs breed young to beat virus

Research suggests that frogs from virus-exposed groups are breeding at significantly younger ages than those in disease-free populations. This decrease in breeding age poses a risk of local extinction due to environmental changes.

Hyena population recovered slowly from a disease epidemic

A mathematical model revealed that spotted hyenas take over a decade to recover from the CDV epidemic due to their slow reproduction rate. The study emphasizes the importance of age and social status in disease spread, with high-ranking females playing a crucial role in population recovery.

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.

First professorship in clinical neurotechnology

Surjo Soekadar, a renowned neuroscientist, has been appointed Germany's first Professor of Clinical Neurotechnology at Charité. He aims to enhance brain functions such as attention, memory, and emotional control using innovative brain-computer interfaces.

Quantum artificial life created on the cloud

Researchers at UPV/EHU designed a model of quantum artificial life that encodes quantum behaviors similar to living systems. The model, executed on an IBM ibmqx4 cloud quantum computer, simulates birth, self-replication, interaction between individuals and the environment.