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Science News Archive October 2016


Page 34 of 44

Climate change intensifies night-time storms over Lake Victoria

An international study led by KU Leuven found that climate change is increasing the frequency of hazardous thunderstorms over Lake Victoria at night. The lake's unique atmospheric circulation, fueled by warm land breezes and evaporative cooling, creates a hotspot for storm activity.

Genes that control cellular senescence identified

Researchers identified genes that control cellular senescence, a process that permanently arrests cell growth. These findings have potential applications for creating new anticancer drugs and developing anti-aging products.

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.

Type 2 diabetes and obesity -- what do we really know?

A review of the current knowledge on the causes of type 2 diabetes and obesity reveals a complex interplay between genetic and environmental factors. The study highlights the importance of epigenomic changes, such as DNA methylation and histone modifications, in modulating gene expression and disease risk.

Using satellite images to better target vaccination

Researchers used satellite imagery and vaccination records to estimate population size and optimize vaccination coverage. The study showed that timing vaccination campaigns with predictable population peaks can improve coverage, especially in areas with limited access to health services.

Efficient organic solar cells with very low driving force

Efficient organic solar cells have been created using a non-fullerene material, achieving high energy efficiency rates of up to 9.5%. This breakthrough indicates that the intrinsic limitations of organic solar cells are comparable to other photovoltaic technologies, paving the way for commercialization.

Observing the birth of quasiparticles in real time

Scientists at the University of Innsbruck have successfully observed quasiparticles forming in real-time using ultracold quantum gases. This achievement provides new insights into the dynamics of these particles, which are crucial for understanding various physical phenomena in solid-state materials and exotic states of matter.

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.

New curriculum raises kidney awareness

A new 6-part series on core curriculum for kidney specialists has been released by the Canadian Journal of Kidney Health and Disease, covering treatments for kidney failure and management of related complications. The series aims to enhance education and practice among nephrologists, students, and educators.

Online emancipation: Protecting users from algorithmic bias

The UnBias project aims to establish a system of auditability and build trust in the internet by studying user experience and algorithm design. Researchers will also produce educational materials to support youth understanding about online environments.

During infancy, neurons are still finding their places

Researchers discovered a population of previously unrecognized young neurons that migrate in the human brain during the first few months of life. These neurons contribute to inhibitory circuits, balancing excitatory activity, and are associated with the plasticity of the brain observed during postnatal development.

Small droplets feel the vibe

The team created highly uniform arrays of low surface tension functional water-based droplets for biochemical experiments, overcoming current patterning limitations. This non-contact method has potential applications in drug discovery and clinical diagnostics.

Big data processing enables worldwide bacterial analysis

Scientists at Technical University of Munich developed a new bioinformatics tool to search all bacterial sequences in databases and find similarities or check existence. The tool allows researchers to explore microbial communities and their habitats in detail, with potential applications in clinical diagnostics.

Apple iPhone 17 Pro

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

Alzheimer's treatment innovation pipeline is building

ResearchersAgainstAlzheimer's report reveals 57 new Alzheimer's drugs in Phase II testing, with nearly twice as many mechanisms of action being tested as in Phase III clinical trials. The analysis calls for changes to clinical trial infrastructure and endpoints to ensure rapid recruitment and effective testing.

How solvent molecules cooperate in reactions

Researchers discovered that solvent molecules can significantly impact the formation of an ether molecule, even when they don't directly participate in the reaction. A second methanol molecule is essential for the reaction to occur, indicating that solvent molecules are not just bystanders but rather assistants.

Food waste could store solar and wind energy

Researchers have discovered a potential approach to storing excess renewable energy by mixing food waste-derived sugar alcohols with carbon nanotubes. The study found that heat transfer within the mixture improved with higher density combinations and decreased with smaller nanotube diameters.

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.

Beer yeasts show surprising diversity, genome study finds

A recent genome study reveals that beer yeasts exhibit a surprisingly high level of genetic diversity, forming multiple groups beyond the main subgroup. The research sheds light on the complex history of beer production, suggesting separate domestication events for beer and wine/sake yeasts.

Brain's biological clock stimulates thirst before sleep

A study by McGill University researchers found that the brain's biological clock regulates thirst in the hours leading up to sleep. By stimulating vasopressin release, the clock anticipates dehydration and increases water intake.

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.

Study: Hospital rankings may rely on faulty data

A study by Rush University Medical Center found discrepancies in hospital rankings due to faulty data, which can skew safety scores down. The authors suggest that rating systems try to account for severity of illness but often rely on flawed metrics.

Scientists rev up speed of bionic enzyme reactions

Researchers at Berkeley Lab developed a hybrid enzyme capable of churning out 2,550 product molecules per hour, comparable to biological counterparts. The study represents a major advance for artificial metalloenzymes, which promise to open up a world of beneficial molecular products not currently possible with natural enzymes.

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.

Loner spiders prevail as pioneers

Research by Jessica Purcell and colleagues found that individual spiders can outlast their group counterparts when introduced to a new environment. The study suggests that adaptation to local traits is key to survival, rather than individual personality types.

Computer experts identify 14 themes of creativity

Researchers at the University of Kent have identified 14 components of creativity using language-analysis software. These clusters can be used to evaluate the creativity of computational systems and provide a basis for the automated evaluation of creative systems.

Why you smell better with your nose than with your mouth

A study by Thomas Hummel found that the nasal cavity's epithelial lining reacts stronger to inhaled odors, making it easier to detect them. The results suggest that retronasal olfaction, which involves smelling through the mouth, is less sensitive but still allows for a more nuanced experience of food and drinks.

Management of fatigue and sleep in chronic illness

The UMass Nursing UManage Center aims to develop technologies to help people with chronic illness manage fatigue and impaired sleep. The center will test wearable devices to monitor fatigue or sleep pattern changes, enabling patients to make informed decisions about their health activities.

Celestron NexStar 8SE Computerized Telescope

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

New cost-effective silicon carbide high voltage switch created

Researchers at North Carolina State University have developed a high-voltage and high-frequency silicon carbide power switch that is cost-effective and efficient. The FREEDM Super-Cascode switch can operate over a wide range of temperatures and frequencies, making it suitable for applications in medium- and high-voltage power devices.

Decoding of tarsier genome reveals ties to humans

The tarsier genome analysis confirms that tarsiers belong to the dry-nosed primate category, sharing recent transposon families with humans and bushbabies. The study also identified 192 genes linked to the tarsiers' unique traits, which may be associated with human diseases.

Increase in global life expectancy offset by war, obesity, and substance abuse

A new Global Burden of Diseases study reveals that while improvements in sanitation and nutrition have led to longer lifespans, significant health challenges like obesity, high blood sugar, and alcohol abuse threaten progress. The study shows that many countries face health challenges despite income growth and education increases.

Ribosomal quality control

Researchers found that ribosomes hold newly synthesized proteins back until specific helpers, called chaperones, deliver the matching counterparts. This ensures only the intended structure is formed, adopting the role of a quality inspector in addition to production.

The role of natural killer T cells in acute kidney injury: Angel or evil?

Research on NKT cells reveals a crucial balance between type I and II subtypes in regulating inflammation. NKT cell activation can induce anergy in type I NKT cells, maintaining physiological inflammatory response. Regulation of NKT cells through membrane receptors and drugs like rapamycin may alleviate acute kidney injury

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.

Novel method creates important industrial chemicals simply, cheaply

A new method for creating industrial chemicals has been developed by researchers at Washington State University, potentially lowering production costs and energy requirements. The Fischer-Tropsch process is used to produce alcohols and aldehydes, which can be used as fuel additives and feedstock for various industries.

In India, training informal health-care providers improved quality of care

A randomized controlled trial involving over 300 informal health care providers in West Bengal found that training increased correct case management for ailments like angina, diarrhea, and asthma. However, the training did not significantly affect drug prescribing behavior, including antibiotic overprescription.

Preserving the power of antibiotics

A US university is testing an intervention to reduce antibiotic prescriptions for viral infections, a major contributor to antibiotic resistance. The study focuses on adult acute bronchitis and children's upper respiratory tract infections, aiming to promote better use of antibiotics and reduce resistance.

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.

At last, an inventory of the ocean's dissolved sulfur

Researchers calculate basin-wide measurements of dissolved organic sulfur in the East Atlantic and Southern Ocean, finding it to be the largest oceanic reservoir of organic sulfur. The discovery challenges current understanding and suggests active involvement in the microbial loop, similar to organic nitrogen.

Vaccinating babies without vaccinating babies

A UC Riverside-led study reveals that mother's milk contributes to the development of a baby's own immune system by transferring maternal immune cells. This process, known as 'maternal educational immunity,' enables the baby to gain immunity against infectious agents through exposure to its mother's environment.

Human neurons continue to migrate after birth, research finds

Researchers have discovered a previously unknown mass migration of inhibitory neurons into the brain's frontal cortex during the first few months after birth. This late-stage migration may play a role in establishing fundamentally human cognitive abilities.

Researchers discover how selenium is incorporated into proteins

Selenium's incorporation into selenoproteins requires a unique elongation factor called eEFSec that helps recognize the stop codon as coding for selenocysteine. The discovery sheds light on how selenium is handled differently during protein synthesis due to its high reactivity.

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.

Researchers use novel materials to build smallest transistor

Scientists at UT Dallas developed a tiny transistor with a gate size of 1 nanometer, smaller than the current limit of silicon-based transistors. The new device uses transition metal dichalcogenides, reducing leakage current by over two orders of magnitude and potential power consumption.

Socioeconomics play key role in Arctic Search and Rescue

A new study by McGill University reveals that economic transitions, social shifts, and climate change are dramatically affecting the safety of Inuit during Arctic activities. The research connects life-endangering events to increasing costs of harvesting and travel, changing technology, and shifts in Indigenous knowledge.

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.

Origin of minor planets' rings revealed

A team of researchers has shed light on the origin of centaur rings, revealing a scenario where tidal disruptions lead to disc formation and ring creation. The study suggests that rings around centaurs are more common than previously thought, with many awaiting discovery.

Causative gene for sensorineural hearing loss identified

A Japanese research team has identified the causative gene for a common type of hearing loss, sensorineural hearing loss, which affects one in every 1000 infants. The gene, DIAPH1, is involved in actin filaments and their maintenance in auditory hair cells, leading to progressive deafness in transgenic mice.

Therapists more likely to call back 'Allison' than 'Lakisha' promoting services

A study by the University of Vermont found that therapists are more likely to promote mental health services to individuals with white-sounding names, rather than black-sounding ones. The researchers analyzed callback rates and discovered a statistically significant difference in responses from therapists using these names.

Study questions long-held belief related to hemodialysis care

A recent study has challenged the long-held belief that patients treated with catheters have a higher risk of premature death due to complications. The research suggests that a fistula creation prior to starting dialysis may be associated with lower death rates, particularly in younger patients.

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.

Are prosthetic interventions for transtibial amputees cost effective?

A study evaluated the cost-effectiveness of prosthetic interventions for transtibial amputees, finding that they can reduce healthcare burden and improve quality of life despite higher initial costs. The analysis suggests that prosthetic use can lead to lower overall costs by decreasing utilization and adverse events.

Fast energy transport between unlike partners

Scientists have found that dye molecules can transfer energy quickly to each other, even when they are different types, which could lead to more efficient ways of harnessing sunlight. This discovery was made using special aggregates of four chromophores and was confirmed by X-ray structural analysis.

IDRI receives NIH grant to develop RNA-based Zika virus vaccine

IDRI aims to develop a safe and effective Zika vaccine using RNA-based technology, which can be rapidly manufactured without requiring egg growth or bacteria cultivation. The institute plans to leverage the Zika virus's own machinery for expression of immunogenic proteins.