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Science News Archive April 2016


Page 17 of 39

New technique could improve detection of concealed nuclear materials

Researchers have developed a novel technique to detect special nuclear materials in cargo containers using low-energy neutron and photon imaging. This method can simultaneously measure density and atomic number, while confirming the presence of nuclear materials through unique delayed neutron emission signatures.

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.

Mechanics of the cell

Researchers developed a synthetic cell model to investigate fundamental principles of cellular mechanics, revealing the interplay between cytoskeleton and cell membrane is key to changes in form. The model cells demonstrate that protein interactions are essential for biological functions and can alter shape through deformation mechanisms.

Presidential elections: Electoral College increases ad spending in typical election

A study published in Springer's journal Quantitative Marketing and Economics found that the Electoral College system increases advertising spending in typical presidential elections. The researchers modeled voters' decisions using a simple aggregate market share model and found that advertising would be spread more evenly across states...

Controlling integrated optical circuits using patterns of light

Scientists at the University of Southampton have developed a method for reconfigurable optical elements using multimode interference devices. The team shows that intricate interplay between modes can be dynamically controlled, allowing to freely route light in a static silicon element.

Apple iPhone 17 Pro

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

Do we judge distance based on how a word sounds?

A new study by the University of Toronto reveals that people intuitively pair front vowel sounds with things close by and back vowel sounds with distances away. This knowledge can inform marketing strategies, such as choosing names for products or brands that align with their intended distance from customers.

The P tax cometh

A new study warns that intensive farming in tropical regions may require vast amounts of phosphorus fertilizer, which is a limited natural resource. The researchers estimate that if global demand for food continues to rise, the phosphorus tax imposed by these soils could double by 2050.

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.

Patients triaged as nonurgent in ED get diagnostics, procedures, admitted

A study of nonurgent ED visits found that diagnostic services and procedures were provided in a significant percentage of cases, suggesting potential overuse or uncertainty among patients and healthcare professionals. The findings also highlighted similarities between nonurgent and urgent visit symptoms and diagnoses.

New nanodevice shifts light's color at single-photon level

Scientists at NIST have developed a miniaturized device to convert photons between frequencies, addressing two critical problems in quantum communication. The new device consumes low power and produces minimal noise, making it suitable for future experiments with single-photon sources.

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.

Lowered birth rates one reason why women outlive men

A study of 140,600 individuals from the Utah Population Database found that lowered birth rates contribute to women's longer lifespan compared to men. The research suggests that reduced reproduction costs in females benefit their lifespan.

Mapping a path to improved cassava production

A team of researchers has sequenced the cassava genome to identify genetic diversity and improve breeding strategies. The study reveals that past breeding programs have reduced genetic diversity in Africa, affecting crop yields.

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.

Magnetic vortices defy temperature fluctuations

A team of researchers from Germany and the UK used high-resolution electron microscopy to study magnetic vortices in magnetite minerals, revealing that they are surprisingly resilient to temperature changes. The findings have significant implications for understanding the Earth's magnetic field history and plate tectonics.

HAWC Gamma-ray Observatory reveals new look at the very-high-energy sky

The HAWC Gamma-ray Observatory has released a new survey of the sky made from the highest energy gamma rays ever observed, revealing new high-energy sources within our own Milky Way galaxy. The observatory has also provided more detail on known sources, offering a deeper understanding of high-energy processes taking place in our galaxy...

UAlberta & Little Warriors change the trajectory of child sexual abuse victims

The four-week intervention program significantly reduces psychological impacts of child sexual abuse, with a 25% reduction in PTSD scores and fewer children experiencing depression and anxiety. The Be Brave Ranch offers comprehensive treatment to child survivors, providing individual and group therapies alongside peer support.

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.

Unexpected discovery leads to a better battery

A team of researchers at PNNL has made an unexpected discovery in rechargeable batteries, leading to a more efficient and environmentally friendly alternative for storing renewable energy. The new battery, which uses zinc-manganese oxide materials, can store energy with higher density and lower cost than conventional car batteries.

Effect on prices minimal 1 year after Seattle's $15 minimum wage law implementation

A University of Washington-led study found little to no evidence of price increases in Seattle relative to surrounding areas after the city's $15 minimum wage law implementation. The study surveyed employers and workers and analyzed commodity and service prices, concluding that the higher wages did not translate to significant cost hikes.

NASA examines Category 5 Tropical Cyclone Fantala near Madagascar

Tropical Cyclone Fantala reached Category 5 status in the Southern Indian Ocean, with wind speeds exceeding 30 meters per second. The storm had a wide eye and powerful thunderstorms wrapping around it, according to NASA's observations from the RapidScat instrument and MODIS satellite.

Protein found to play key role in the spread of pancreatic cancer

Researchers at the University of Liverpool have identified a critical role for stromal cells in the spread of pancreatic cancer to the liver. The study found that the protein granulin plays a key role in facilitating this process, and that targeting its expression may hold the key to stopping cancer from spreading.

Fluke 87V Industrial Digital Multimeter

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

NASA's Fermi telescope poised to pin down gravitational wave sources

The detection of a brief gamma-ray burst consistent with the same part of the sky as gravitational waves offers a unique window into the universe. By analyzing this event, scientists can gain insights into the dynamics leading up to black hole mergers and shed light on the nature of gravity.

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.

Preeminent experts provide roadmap for future melanoma research

The white paper outlines key takeaways, including the importance of proper sunscreen use to reduce melanoma risk by up to 50%, developing more precise diagnosis methods, and overcoming immunotherapy resistance. The research aims to advance treatment and potentially cure melanoma by understanding its unique characteristics.

What screens are made of: New twists (and bends) in LCD research

Scientists have discovered a tightly wound spiral molecular arrangement in liquid crystals, which could improve LCD performance and help unravel its formation. The study uses a pioneering X-ray technique to confirm the twisted structure, revealing unusual optical properties that warrant further research.

Nanoparticle acts like Trojan horse to halt asthma

A biodegradable nanoparticle acts like a Trojan horse to convince the immune system not to attack an allergen, shutting down allergic reactions and preventing asthma attacks. The technology also shows promise in treating food allergies.

Copper gives an answer to the rise of oxygen

Researchers discovered a significant shift in copper isotopic composition, indicating the Great Oxidation Event's gradual increase in atmospheric oxygen. This finding provides a tool to track fluctuations in oxygen levels throughout Earth's history and sheds light on the evolution of life.

New study examines the effect of ecstasy on the brain

A recent study by researchers at the University of Liverpool analyzed data from 157 ecstasy users and 148 controls to examine the effect of ecstasy on the brain. The study found significant reductions in serotonin transport in ecstasy users, which may contribute to cognitive deficits and mood changes.

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.

Bigger brains led to bigger bodies in our ancestors

New research suggests that human brain size and body size are genetically linked, with increased brain size leading to a correlated response in body size. This phenomenon played a significant role in the evolution of larger brains and bodies in humans.

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.

Brain caught 'filing' memories during rest

Memories formed in one part of the brain are replayed and transferred to another area for consolidation, according to a new UCL study. The process, essential for tackling Alzheimer's disease, involves the transfer of memories from the hippocampus to the entorhinal cortex.

Quantum computing closer as RMIT drives towards first quantum data bus

RMIT researchers have successfully trialled a quantum processor capable of routing quantum information from different locations, opening a pathway towards the first quantum data bus. This breakthrough has significant implications for future quantum technologies, including quantum computing and secure communication.

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.

Monitoring sugar metabolism in liver may be a key to cancer diagnosis

A study at the University of Texas M. D. Anderson Cancer Center found that normal liver cells metabolize dietary fructose differently than cancerous cells, revealing a potential diagnostic marker for liver cancer. The researchers discovered a gene called KHK that is expressed differently in healthy and tumor tissues.

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.

A new way to get electricity from magnetism

Scientists have successfully converted spin current into electric current in several organic semiconductors, including carbon-60 buckyballs. The 'inverse spin Hall effect' method has potential for use in future electronic devices like batteries and solar cells.