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Science News Archive July 2020


Page 24 of 47

New map for radioactive soil contamination in Western Europe

A new study maps caesium and plutonium radionuclide concentrations in Swiss soils, tracing sources of nuclear fallout from 1960 to 2009. The research uses a caesium/plutonium ratio calculation method to distinguish between nuclear test fallout and the Chernobyl accident.

Apple iPhone 17 Pro

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

Training center to focus on human-robot interaction

The QUT Centre for Robotics will train researchers, engineers, and manufacturers with expertise to boost safety, quality, and productivity. The five-year centre will develop collaborative robotics applications to help Australian manufacturers compete globally.

Un-natural mRNAs modified with sulfur atoms boost efficient protein synthesis

Researchers have developed modified mRNAs with sulfur atoms that accelerate protein synthesis by at least 20 times, paving the way for efficient protein production and mRNA therapeutics. This breakthrough has significant implications for medical treatments, including vaccine therapy and protein replacement therapy.

Ultra-black skin allows some fish to lurk unseen

Researchers have discovered that at least 16 species of deep-sea fish have evolved ultra-black skin that absorbs most of the light, allowing them to blend in and avoid detection. The unique shape and arrangement of melanosomes in these fish's skin cells enables this remarkable camouflage.

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.

Pioneering method reveals dynamic structure in HIV

Physicists at University of Utah pioneered a method to image virus-like particles in real time, revealing the lattice's dynamic nature. The discovery opens up potential new therapies by understanding how Gag and GagPol proteins rearrange, leading to viral maturation.

Fish reef domes a boon for environment, recreational fishing

Research by UNSW Sydney and NSW DPI Fisheries found that artificial reefs in estuaries with limited natural reef can increase fish abundance significantly. The study revealed a 20-fold increase in fish populations in the reef areas compared to bare sand habitats, benefiting recreational fishing and environmental conservation.

Can high-quality coral genomes be used to predict bleaching events?

Researchers used high-quality coral genomes to study variable responses to climate change and identify genetic variants associated with bleaching. They found a polygenic risk score could predict bleaching potential in the wild, while also revealing genetic diversity in heat stress response genes.

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.

Weaving Indigenous knowledge with scientific research: a balanced approach

A review in European Geosciences Union's journal offers a roadmap for weaving Indigenous knowledge with modern research, focusing on the geosciences. This approach can provide insights into events erased from the geological record and support native communities in making informed decisions about potential hazards on their ancestral lands.

Blood vessels communicate with sensory neurons to decide their fate

Researchers at Universitat Pompeu Fabra discovered that blood vessels communicate with sensory neurons through dynamic protrusions, allowing them to regulate cell growth and maintenance of stem cells. This communication is crucial for the development and regeneration of the peripheral nervous system.

Blood iron levels could be key to slowing ageing, gene study shows

Scientists identify ten regions of the genome linked to long lifespan, healthspan, and longevity, finding a potential link between iron metabolism and healthy aging. The study's findings suggest that maintaining healthy levels of iron in the blood could be key to slowing aging and living longer.

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.

Genetics could help protect coral reefs from global warming

A new study from Columbia University provides a blueprint for using genomics to help combat climate change by identifying corals that can adapt to warmer seas. Researchers analyzed genetic data from 237 samples collected at 12 locations along the Great Barrier Reef, finding multiple genetic variants associated with bleaching tolerance.

A "feeling" for dementia?

A study of 449 older adults found that individuals with subjective felt memory problems also exhibited measurable cognitive deficits associated with Alzheimer's disease. The findings suggest that early diagnosis and therapy development could benefit from these results.

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.

More porn, worse erectile function

A study of 3267 men found that watching porn is associated with greater erectile dysfunction and lower satisfaction with sex. The research suggests that the type of porn watched may contribute to impaired erectile function, with 23% of men under-35 experiencing some level of erectile dysfunction.

Healthy offspring from testicular tissue plantation in mice: Retinoic acid key

Testicular tissue transplantation combined with retinoic acid administration successfully produces healthy offspring in mice, offering a potential method for preserving/recovering male fertility. The researchers' findings suggest that this approach may be effective in humans without adverse effects on pregnant mothers.

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.

Heat stress: The climate is putting European forests under sustained pressure

A comprehensive analysis of the consequences of the 2018 drought and heat event in European forests reveals that even drought-resistant tree species suffered long-term damage. The study suggests that future scenarios require redesigning forests to combat heat and drought, and new analytical approaches are needed to track tree mortality...

Recognising fake images using frequency analysis

Researchers at Ruhr-University Bochum developed a new method for efficiently identifying deep-fake images by analyzing objects in the frequency domain. The study found that images generated by GANs exhibit artefacts in the high-frequency range, which can be used to distinguish them from real photos.

Cancer cells in inhospitable brain fluids hijack iron to survive

Researchers discovered that cancer cells with high-affinity iron collection systems collect iron more efficiently than healthy macrophages, allowing them to survive in nutrient-deprived CSF environments. This mechanism enables LM cells to evade immune attack by limiting the supply of vital iron to patrolling macrophages.

Scientists discover how deep-sea, ultra-black fish disappear

Researchers found a unique arrangement of pigment-packed granules in the skin of certain deep-sea fish, enabling them to absorb nearly all light. This discovery may lead to the development of more efficient ultra-black materials for optical technology and camouflage.

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.

Opium linked with more deaths after bypass surgery

A large study found that continuing opium use after bypass surgery increases the risk of death, heart attack, and other adverse events. Stopping opium use is safe and may even be beneficial, according to researchers.

Phantom-limb pain reduced through brain power

A study published in Neurology found that training with a brain-computer-interface can significantly reduce phantom-limb pain in amputees. After just three days of training, patients experienced a 30% reduction in pain intensity, and the effect lasted up to five days after training was complete.

Avoiding food contamination with a durable coating for hard surfaces

Researchers have created a durable coating using titanium dioxide that can eliminate foodborne germs such as salmonella and E. coli on stainless steel surfaces. The coating, which is also food-safe, provides an additional layer of protection against cross-contamination in meat processing plants.

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.

Rare mutation of TP53 gene leaves people at higher risk for multiple cancers

Researchers have identified a rare mutation of the TP53 gene that leaves individuals at a higher risk of developing multiple types of cancer over their lifetime. This mutation is most commonly found in the Ashkenazi Jewish population and may confer a lower lifetime risk compared to classic Li-Fraumeni syndrome.

A population of asteroids of interstellar origin inhabits the Solar System

Scientists at São Paulo State University identify 19 Centaurs of interstellar origin with highly inclined orbits, suggesting they formed around other stars and were later captured by the Solar System. This discovery sheds light on the formation of the Solar System and the chemical enrichment of the Sun.

Celestron NexStar 8SE Computerized Telescope

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

Widely used blood test could advance heart failure treatment

Researchers developed a new use for a common blood test to adjust T3 dosage, suggesting improved cardiac function and reversal of heart failure genes. The study suggests that brain natriuretic peptide (BNP) levels can be used to titrate T3 required, providing a potentially life-saving treatment for heart failure.

Analysis finds multiple social disadvantages magnify stroke risk

A new study published in Stroke Journal found that having multiple social disadvantages can increase stroke risk by 50% or more. Researchers analyzed data from over 27,000 adults and found that those with three or more social determinants of health were nearly two and a half times more likely to experience an incident stroke.

eDNA technology more effective in monitoring salmon runs: SFU research

Researchers at Simon Fraser University are using eDNA technology to monitor salmon populations, which is expected to be more efficient and cost-effective than traditional methods. The study aims to compare eDNA samples with human fish counts to determine the most effective method for monitoring upriver migration of Pacific wild salmon.

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.

Study: Dangerous parasite controls host cell to spread around body

Researchers at Indiana University School of Medicine have discovered how the Toxoplasma gondii parasite hijacks host cells to spread throughout the body. The parasite triggers an alarm system that leads to the activation of a protein called IRE1, connecting it to the cytoskeleton and causing hypermigration.

How much fluorine is too much fluorine?

High fluorine levels in New Zealand soils are toxic to Rhizobia bacteria, which fix atmospheric nitrogen for legume plants. However, the study found no impact on the crops or livestock in question.

Meta Quest 3 512GB

Meta Quest 3 512GB enables immersive mission planning, terrain rehearsal, and interactive STEM demos with high-resolution mixed-reality experiences.

Setting up an alarm system in the Atlantic Ocean

Scientists are working on establishing an early warning system for sudden changes in the Atlantic Ocean's sea currents. These changes can impact global temperatures and climate patterns. By monitoring temperature and density metrics, researchers aim to detect subtle shifts before they become catastrophic.

Study: Single drop of blood could help rapidly detect radiation sickness

A new testing method has shown promise in rapidly identifying radiation sickness based on biomarkers measured through a single drop of blood. The test uses microRNAs to quantify the actual radiation dose absorbed, allowing for early and real-time identification of the condition to enable timely clinical interventions.

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.

Biomedical instrument based on microvesicles

Researchers have developed a technology to obtain microvesicles from human stem cells, showing significant biological activity and therapeutic potential. The induced microvesicles can reduce the intensity of immune response and may be used to treat inflammations and autoimmune syndromes.

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.

Higher-order topology found in 2D crystal

Researchers have discovered a new higher-order topological insulator, WTe2, which exhibits metallic hinge states and is promising for spintronics. The team used Josephson junctions to visualize the supercurrent flow and found evidence of hinge states on the sides of the material.

Novel test method detects coronavirus in highly diluted gargle samples

Researchers at Martin Luther University Halle-Wittenberg have developed a novel mass spectrometry-based test that can detect small amounts of SARS-CoV-2 in highly diluted gargle samples. The test is highly specific for the virus and can be used in early stages of the disease when many viruses are present.