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Science News Archive 2019


Page 89 of 486

Neurotransmitters in an instant

A team of researchers has developed a new method to detect neurotransmitters at extremely low concentrations using an electrochemical approach. This breakthrough could lead to early detection of diseases such as depression and Alzheimer's, allowing for more effective treatment.

Apple iPhone 17 Pro

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

New chemical weapon to combat cancer

Researchers at UNIGE have developed a new formula, C2, composed of four anti-cancer drugs that target and kill tumour cells while leaving healthy cells intact. The formula has shown promising results in reducing the risk of resistance and side effects associated with high-dose treatments.

Pre-programmed microfluidic systems offer new control capabilities

Researchers at Northwestern University have developed a new way to pre-program microfluidic devices, allowing for smart, autonomous behavior without external components. This breakthrough could enable the creation of portable, wearable technologies for applications in medicine, energy, and space exploration.

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.

Male spiders show their sensitive side

A study on male spider mating found that they possess nervous tissue and sensory organs in their copulatory organs, contrary to previous beliefs. This discovery suggests that these organs may play a role in the transfer of sperm and assessing female spiders during mating.

Earthquakes in slow motion

Researchers have characterized slow-slip events more precisely than previously possible, finding they obey the same scaling laws as regular earthquakes. This discovery opens the door for geoscientists to study these frequent and nondestructive events to better understand earthquake mechanics.

Changing how chemists think about textbook chemical concepts

University of Houston assistant professor Judy Wu is examining a connection between noncovalent interactions and aromaticity, which could control the strengths of noncovalent interactions for drug and materials discovery. Her project aims to bridge computer models with practical impacts in biomedical research.

Protein movement in cells hints at greater mysteries

Researchers at Rensselaer Polytechnic Institute developed a novel imaging technique to visualize kinesin motor proteins and their cargo. The study shows that the 'smart motor' theory is not the only regulation at play, suggesting the involvement of adapter proteins.

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.

Lowest-paid workers have longest retirements

A new UCL-led study found that the lowest-paid workers in the UK have three more years of retirement on average compared to their professional counterparts. However, they are also more likely to suffer from ill health after retiring.

Childhood obesity linked to structural differences in key brain regions

Research from the University of Cambridge found an association between increased BMI and significant reductions in cortical thickness, as well as poorer performance at tests measuring executive function. The study used data from 2,700 children aged 9-11 years and controlled for various factors, including age, sex, and parental education.

Quantum supremacy milestone harnesses ORNL Summit supercomputer

Researchers successfully demonstrated quantum supremacy by harnessing Google's Sycamore quantum computer and ORNL Summit supercomputer, showcasing the power of quantum computing for solving complex tasks. The experiment outperformed the classical system by a significant margin, providing critical information for future quantum computers.

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.

Keep quiet or be eliminated: How cell competition modulates morphogen gradients

A study published in Nature Communications reveals that cell competition modulates morphogen gradients to eliminate unhealthy cells and maintain tissue patterning. The researchers found that aberrant Wnt/β-catenin signaling leads to changes in membrane expression levels of proteins, resulting in cell death via apoptosis.

UCF researchers work to create infrared detectors for viper-like night vision

UCF researchers have created an infrared detector that can enhance night vision capabilities by detecting different wavelengths of infrared light. The technology has implications for improving what can be seen in space, chemical and biological disaster areas, and on the battlefield. The detector operates faster than existing cameras an...

Climate change could hasten deterioration of US bridge infrastructure

A recent study by Colorado State University researchers highlights the impact of climate change on aging US bridges. The analysis reveals that rising temperatures will disproportionately affect bridges in northern regions, leading to increased thermal stress and potential structural damage.

Medicaid expansion improved coverage more for married versus unmarried people

A new analysis suggests that Medicaid expansion provided greater improvements in health insurance coverage for married people, particularly women, compared to unmarried individuals. The study found that after expansion, uninsured rates were lower for married women by 1.6 percentage points than for unmarried women.

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.

How to spot a wormhole (if they exist)

Physicists propose detecting wormholes by searching for small deviations in the orbit of stars near Sagittarius A*, a supermassive black hole. The technique could reveal the presence of traversable or non-traversable wormholes.

Earthquakes can be predicted five days ahead

Researchers discovered a connection between changes in internal gravity wave parameters five days before an earthquake, enabling the development of short-term forecast methods. The study's results show that IGWs can be used to identify seismically active regions and make predictions about upcoming seismic events.

Robotics: Teaming for future soldier combat

The U.S. Army's foundational research program has led to advancements in four critical areas of ground combat robotics, including sensing, movement, and teamwork. The government investment is crucial for ensuring U.S. Warfighters maintain a combat advantage, while also aligning research priorities to defeat near-peer adversarial threats.

Common chemical linked to rare birth defect in mice

A study by University of Wisconsin-Madison researchers links piperonyl butoxide, a common insecticide synergist, to stunted forebrain development and facial abnormalities in mice. The chemical's interference with the sonic hedgehog signaling pathway suggests a potential link to rare human birth defects like holoprosencephaly.

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.

Mapping international drug use by looking at wastewater

A recent study mapping international drug use by analyzing wastewater from over 60 million people in 120 cities worldwide reveals significant regional variations. Methamphetamine dominated North American and Australasian cities, while cocaine use was high in southern and western Europe.

NASA analysis shows heavy rain in Typhoon Bualoi

Typhoon Bualoi continues to move through the Northwestern Pacific Ocean, experiencing heavy rain around its eye, falling at a rate of over 50 mm/hour. Forecasters incorporate the rainfall data into their forecasts for updated hurricane weather information.

Study looks at distribution of new cases of diabetes, density of specialists

Researchers from Brigham and Women's Hospital analyzed national data on the prevalence of diabetes and the number of internal medicine specialists in each U.S. state. They found that cardiologists were the highest represented specialists, suggesting they are well-positioned to provide optimal care for patients with diabetes.

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.

Uncovering the pathway to colon cancer

Researchers found complex patterns of mutations, including changes in cancer genes, and a huge variability of mutations in healthy colon tissue. The study provides insight into how a healthy cell becomes a cancerous one and identifies new mutational signatures in normal colon cells.

Study provides framework for one billion years of green plant evolution

A recent study published in Nature reveals a new framework for understanding the evolution of green plants over 1 billion years. The research, led by an international consortium of scientists, generated gene sequences for over 1100 plant species and provides insight into how plants evolved to produce useful chemicals.

Evolving alongside other bacteria keeps hospital bug potent

A new study by the University of Exeter found that bacteria evolving alongside other microbes develop resistance to phages using an immune mechanism called CRISPR-Cas. This resistance does not reduce the bacteria's virulence, with similar effects expected in humans.

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.

Young adult women abused as adolescents report higher levels of pain

A new study reveals that young adult women with a history of childhood maltreatment experience higher levels of pain and more frequent episodes of pain compared to their non-abused peers. The researchers suggest that addressing stress symptoms and poor coping mechanisms may help reduce the impact of childhood abuse on young adult health.

New study suggests the original location of the Bayeux Tapestry is finally solved

A new study published in the Journal of the British Archaeological Association suggests that the Bayeux Tapestry was designed to be hung along the north, south, and west sides of the nave of Bayeux Cathedral. The research confirms that the tapestry was intended for a specific area of the cathedral and sheds light on its original displa...

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.

Ground failure study shows deep landslides not reactivated by 2018 Anchorage Quake

A new study published in Seismological Research Letters found that deep landslides triggered by the 1964 magnitude 9.2 Great Alaska earthquake were not reactivated by the 2018 magnitude 7.1 Anchorage earthquake. Researchers attributed this to the shorter duration and higher frequency of shaking during the 2018 quake, which likely kept ...

Consuming alcohol leads to epigenetic changes in brain memory centers

Researchers found that acetate from alcohol metabolism alters proteins that regulate DNA function in the brain, affecting gene expression and behavior. This discovery provides a new understanding of the biology behind cravings and offers potential targets for treating alcohol abuse and fetal alcohol syndrome.

Zebrafish discovery throws new light on human hearing disorders

Researchers identified how specific genes dictate hair cell patterns in zebrafish, shedding light on mechanisms behind congenital hearing loss in humans. The study found that genetic alterations can lead to circular or spiral patterns in hair cells, providing new directions for tackling congenital hearing problems.

Expecting the unexpected: A new model for cognition

Researchers developed a computer model inspired by biological brain mechanisms to predict and recognize new information, enabling robots to mimic behaviors. The model may help reveal the cognitive underpinnings of Autism Spectrum Disorder, where individuals tend to minimize error and prefer repetitive social interactions.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

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.

Young mums more likely to have kids with ADHD

Research from the University of South Australia found that young maternal age at first birth is strongly associated with an increased risk of having a child with ADHD. The study, published in Nature's Scientific Reports, explored the genetic relationship between female reproductive traits and key psychiatric disorders.

Fungi could reduce reliance on fertilizers

A study by University of Leeds researchers found that introducing fungi to wheat can boost nutrient uptake and potentially lead to new, climate-resilient crop varieties. The partnership between wheat and soil fungi could help reduce the use of fertilizers, a major contributor to global carbon emissions.

Bacterial lifestyle alters the evolution of antibiotic resistance

Researchers found that bacteria living in biofilms develop unique adaptations to resist antibiotics, whereas free-floating bacteria become more resistant but vulnerable to other classes of antibiotics. This discovery highlights the importance of studying bacteria in their natural lifestyle.

Fluke 87V Industrial Digital Multimeter

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

Achieving quantum supremacy

Researchers used 53 entangled qubits to solve a complex problem that would take 10,000 years on a classical supercomputer. The feat showcases the power of quantum computing and has significant implications for cryptography, machine learning, and materials science.

Embracing sustainable practices would help some winery tasting rooms stand out

Researchers surveyed consumers in the mid-Atlantic region to investigate wine preferences, recycling attitudes, and behaviors. The study found that about 85% of participants were willing to bring empty wine bottles to a winery for recycling. Wineries can attract younger customers by offering sustainable practices, such as recycling and...

Creating a nanospace like no other

Researchers at Tokyo Institute of Technology and the University of Cambridge built a self-assembled nanocage with antiaromatic walls, defying conventional assumptions. The nanospace was tested with guest molecules, showing significant deshielding effects due to the antiaromatic environment.

Health in old age is a lifelong affair

Researchers found that reducing food intake in old mice has little to no beneficial effect on health and lifespan. Implementing reduced food intake early in life and sustaining it until the end of their lives is crucial for improving health in old age.

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.

Rethinking the science of plastic recycling

Researchers at Argonne National Laboratory and top universities have developed a catalytic method to selectively convert discarded plastics into higher quality products like lubricant oils or waxes. The catalyst converts polyethylene molecules into value-added commercial products with high yield.

Bio-inspired nano-catalyst guides chiral reactions

A team at the University of Michigan developed a new catalyst that selectively produces the correct version of twisted molecules, which are essential for medicines. The catalyst is made from mineral nanoparticles and can work in water, reducing costs and environmental impact.

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.