Bluesky Facebook Reddit Email

Science News Archive May 2018


Page 18 of 44

A better way to control crystal vibrations

By doping aluminum oxide with neodymium, researchers can control phonon frequencies and speeds, leading to improved thermal conductivity and efficiency in thermoelectric devices. This breakthrough provides a simpler and cheaper way to tune material properties, enabling new applications in solid-state lighting and electronics.

Self-healing material a breakthrough for bio-inspired robotics

Researchers at Carnegie Mellon University have created a self-healing material that spontaneously repairs itself under extreme mechanical damage. The material, composed of liquid metal droplets suspended in a soft elastomer, can reroute electrical signals without interruption.

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.

Hydrogel helps restore artworks and reveals hidden inscription

Researchers use hydrogels to safely remove pressure-sensitive tapes from paper artworks without solvents, preserving the underlying artwork. The technique reveals hidden inscriptions like Michelangelo's 'di mano di Michelangelo' on a 16th-century drawing.

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.

What can snakes teach us about engineering friction?

Researchers at Drexel University have found that snake skin's unique texture and micro-structure create a distinct friction profile, which can be used to inform the design of textured surfaces. By studying over 350 species of snakes, they have developed a framework for creating 'smart surfaces' with new frictional capabilities.

Apple iPhone 17 Pro

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

How to ethically conduct clinical research during public health emergencies

Key findings highlight the need for rapid, well-coordinated responses to future outbreaks; effective communication with local communities is essential for ethically responsible research. The paper emphasizes the importance of sustained international support for health systems in low- and middle-income countries.

Quantum effects observed in photosynthesis

Researchers have found quantum effects in photosynthetic systems at low temperatures, challenging the idea that these effects are unique to non-biological systems. The study also reveals that regular vibrations, not superposition, were responsible for earlier reported observations.

Study finds snap-lock mechanism in bacterial riboswitch

Researchers deciphered the workings of a common bacterial switch that regulates protein production, revealing a snap-lock mechanism. This discovery could lead to new antibiotics as gram-positive bacteria use T-box riboswitches to regulate protein production.

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.

Research sheds light on a novel disease mechanism in chronic smokers

Research reveals that IL-26 is increased among chronic smokers with lung disease, mobilizing neutrophils and exacerbating bacterial infections. The study provides new insights into the pathogenic mechanisms behind COPD and chronic bronchitis, suggesting IL-26 as a promising molecular target for therapy.

Infection blood test of limited value in reducing antibiotic use

A new study found that a procalcitonin biomarker test had little impact on reducing antibiotic use for patients with suspected lower respiratory tract infections. The trial involved 1,656 adult patients and showed that physicians already commonly withheld antibiotics based on clinical signs alone.

Improving heart health could prevent frailty in old age

A large study found that even small reductions in heart disease risk factors can help reduce frailty and dementia in older adults. Near-ideal cardiovascular risk profiles were associated with better outcomes on multiple factors, including chronic pain, falls, fractures, and dementia.

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.

Technique shows promise for reconstruction of airway following surgery

A feasibility study suggests that airway transplantation using cryopreserved aortic grafts may be an effective treatment option for patients with lung cancer and end-stage tracheobronchial disease. The study shows promising results, including low mortality rates and successful breathing through newly formed airways.

Ozone exposure at birth increases risk of asthma development

A long-term study has found that exposure to ozone at birth is associated with an increased risk of developing asthma, allergic rhinitis, and eczema in childhood. The study, which followed 1,881 children from birth to age 17, found that even small increases in ozone exposure were linked to a higher risk of developing these conditions.

Exercise to stay young: 4-5 days a week to slow down your heart's aging

Research published in The Journal of Physiology found that exercising 4-5 days a week slows down the ageing of the heart and blood vessels. Lifelong casual exercise (2-3 times a week) resulted in more youthful middle sized arteries, while frequent exercise (4-5 times a week) kept larger central arteries youthful.

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.

Brain stimulation may reduce food cravings as obesity treatment

A new brain stimulation technique, dTMS, has shown promising results in reducing food cravings in obese patients. The study found that high-frequency dTMS significantly increased beta-endorphins levels, leading to a decrease in glucose and leptin levels, suggesting a potential safer alternative to treat obesity.

CPAP may reduce resting heart rate in prediabetic patients

A randomized placebo-controlled study found that CPAP treatment significantly lowered resting heart rates during the day and night in patients with OSA and prediabetes. The effects were comparable to those of beta blockers, which block stress hormones and raise heart rates.

Neuron guidance factor found to play a key role in immune cell function

A study at Osaka University has identified Sema6D as a crucial protein in the activation of macrophages that protect against inflammatory disorders. The research found that Sema6D plays a key role in the metabolic reprogramming necessary for M2-type macrophages to function properly, highlighting its potential as a therapeutic target.

Multidisciplinary lung health clinic helps low-income patients

A multidisciplinary lung health clinic has been developed to provide quality, seamless care for low-income individuals with lung conditions. The clinic uses best practices such as interdisciplinary teams, patient navigators, and walk-in services to improve patient outcomes.

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.

Could intermittent fasting diets increase diabetes risk?

Fasting every other day impairs insulin function, leading to potential long-term health risks, including type-2 diabetes. This study found that even in normal-weight rats, intermittent fasting diets can cause damage to the pancreas and increase insulin resistance.

UA surgeons developing new tool to detect urine blockage

Researchers have created a model to capture subtle differences in urine flow patterns using high-speed photography, which can help diagnose urethral strictures. The team plans to develop an app that allows patients to record and analyze their own urine flow images.

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.

NBA stars on losing teams follow fewer teammates on social media

A study by University of Cincinnati professor Jeremy Koster found that NBA stars on losing teams are less likely to follow teammates on Twitter compared to those on winning teams. This suggests that elite performers may distance themselves from their teammates in an attempt to escape responsibility for poor performance.

Variations in placental microbiota appear related to premature birth

A study published in Applied and Environmental Microbiology found a surplus of pathogenic bacteria in placentas from premature births, supporting the hypothesis that maternal infection may cause preterm birth. The research also discovered evidence of placental bacteria in healthy pregnancies, challenging conventional wisdom.

Asian tiger mosquito on the move

Scientists warn of increased infectious diseases transmitted through vectors in the coming decades. The Asian tiger mosquito, introduced via trade and tourism, has not yet filled its ecological niche globally, posing a threat to regional health.

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.

Using Tinder doesn't result in more casual sex

A new study published in Personality and Individual Differences found that users of picture-based mobile dating apps like Tinder do not have more casual sex partners than non-users with the same preference. Instead, these apps have become a new way to meet up, with men and women using them differently.

Matabele ants: Travelling faster with detours

The Matabele ant, a species of termite-eating ant, uses detours to increase its speed while traveling back to the nest. By taking the quickest route rather than the shortest one, they reduce their travel time by an average of 35%. This navigational skill is unique to this species and allows individual ants to make decisions independently.

Dogs born in the summertime more likely to suffer heart disease

A recent study from the University of Pennsylvania found that dogs born between June and August are at higher risk of heart disease. The research suggests that exposure to fine air particulates during pregnancy may play a role in later development of heart disease.

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.

Developmental psychotherapy for antisocial adolescents

This approach aims to help antisocial young people become responsible adults by considering their values, goals, and maladaptive responses to age-related psychological tasks. It incorporates a combination of psychoanalytic and developmental understanding to promote behavioral change and control.

Ammunition with risks and side effects

A study by researchers at Technical University of Munich found that alternative shotgun ammunition materials containing copper and zinc can be highly toxic to water organisms, potentially threatening environmental protection. The study suggests a ban on these materials may be necessary to replace lead shot.

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.

Women sometimes feel regret after electing to freeze their eggs

A study by UC San Francisco found that one in six women who underwent elective egg freezing experienced regret, despite being empowered by the procedure. Women with lower egg yields and inadequate information about the process were more likely to express regret.

Natural antioxidant bilirubin may improve cardiovascular health

Higher levels of bilirubin in the blood are associated with lower rates of heart failure, heart attack, and stroke, even in people without liver disease. The study suggests that bilirubin may have beneficial effects as an antioxidant, potentially reducing chronic disease morbidity risk.

Flow of cerebrospinal fluid regulates neural stem cell division

Researchers at Helmholtz Zentrum München discovered that cerebrospinal fluid flow stimulates neural stem cell division through ENaC channel protein. The study highlights a new mechanism controlling neural stem cell proliferation and has implications for brain function and treatment.

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 mechanism essential for eye lens development identified

Researchers at the University of Delaware have discovered a protein, Celf1, that triggers degradation in the eye lens, allowing clear vision. The study reveals the molecular mechanism behind this complex process, shedding light on how cells degrade their own nuclei and DNA without killing themselves.

Optimum shade for cocoa

Researchers found that a shade-tree cover of approximately 30% has a predominantly positive effect on cocoa plants, maintaining maximum soil moisture and keeping pests and diseases in check. This amount of shade also increases animal and plant species, carbon sequestration, and cooling effects on temperature.

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.