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Science News Archive February 2020


Page 32 of 40

Key molecular machine in cells pictured in detail for the first time

Researchers have finally determined the atomic structure of the histone mRNA three-prime end-processing machine, a complex assembly of molecules that plays a fundamental role in proper cell activity and DNA duplication. This breakthrough provides valuable insights into how this machine is activated and regulates gene expression.

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.

For aging patients, one missed doctor's visit can lead to vision loss

A new Penn Medicine study found that missing a single ophthalmology appointment over a two-year period was associated with decreased visual acuity for patients with macular degeneration. Patients who attended more frequent visits had better visual outcomes, highlighting the importance of visit adherence for this patient population.

Apple iPhone 17 Pro

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

Social media users 'copy' friends' eating habits

A new study from Aston University found that social media users are influenced by their friends' eating habits. The research suggests that those who believe their friends consume junk food are more likely to overeat themselves. In contrast, those who think their friends eat healthy diets tend to consume more portions of fruit and veg.

What decides the ferromagnetism in the non-encapsulated few-layer CrI3

Researchers have found that non-encapsulated few-layer CrI3 has a rhombohedral structure at low temperatures, contradicting previous findings. The study also shows spin-phonon coupling occurring below 60K, which affects the Hamiltonian of Raman modes and has potential implications for novel spintronic devices

Sugar ants' preference for pee may reduce greenhouse gas emissions

Researchers at the University of South Australia found that sugar ants prefer higher concentrations of urea in urine, which could reduce nitrous oxide emissions. The discovery shows a symbiotic relationship between ants and vertebrates in dry environments, highlighting the importance of nitrogen cycling.

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.

Bridging the gap between AI and the clinic

Researchers developed an open-source app to interactively explore predictive algorithms for meningioma patients. The models effectively predicted outcomes in individual patients, but further refinements are needed using larger datasets.

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.

New tool monitors real time mutations in flu

A Rutgers-led team has created a tool to monitor live influenza A virus mutations in real time, allowing for the analysis of viral RNA without killing cells. This breakthrough could aid virologists in understanding and stopping viral replication.

Scientists discover how rogue communications between cells lead to leukemia

Researchers at the University of York discovered that mutations in stem cells can cause blood cancer by disrupting normal cell communication. The study used super-resolution microscopy to observe how cells receive instructions from signalling proteins, leading to uncontrolled signals and imbalance in healthy blood cells.

Natural compound in vegetables helps fight fatty liver disease

Researchers have discovered that indole, a natural compound found in gut bacteria and cruciferous vegetables, can reduce inflammation and fatty deposits in the liver. This study provides hope for new treatments and preventive measures for non-alcoholic fatty liver disease (NAFLD).

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.

Computer simulation for understanding brain cancer growth

Researchers developed a three-dimensional model that realistically models cancer mechano-biology while maintaining resolution power, enabling cost-effective simulations. The BioDynaMo platform provides a software platform for scientists and medics to create, run, and visualize 3D agent-based biological simulations.

A new approach to calm that angry nose

A new study published in The Journal of Allergy and Clinical Immunology found that semaphorin protein contributes to allergic reactions and development of nasal polyps in patients with eosinophilic chronic rhinosinusitis. Elevated levels of semaphorin protein were associated with disease severity.

Recognize and control new variants of the deadly Ebola virus more quickly

A new test developed by a German Center for Infection Research team allows for quick characterization of the genetic material of ebolaviruses, enabling specific diagnostic tests and efficient outbreak control measures. This breakthrough could help reduce the number of lives lost to Ebola outbreaks.

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.

Antioxidant reverses BPD-induced fertility damage in worms

A study published in Genetics found that Coenzyme Q10 reversed most of the reproductive harms caused by exposure to BPA in Caenorhabditis elegans worms. The antioxidant improved or reversed multiple types of damage, including lower rates of egg cell death and fewer chromosome abnormalities.

Chemical found in drinking water linked to tooth decay in children

A new study by West Virginia University researchers links higher concentrations of perfluorodecanoic acid in children's blood to increased tooth decay rates. The chemical, found in some drinking water systems, may disrupt the healthy development of enamel, making teeth more susceptible to cavities.

Researchers recommend early walking in a brace for Achilles tendon rupture

A new study found that early walking in a brace provides similar outcomes to plaster casting with no increase in the risk of complications. The UKSTAR trial randomized 540 participants and showed better early outcomes for patients who immediate weight bear in a walking boot, leading to potential reduced immobilization time.

GQ GMC-500Plus Geiger Counter

GQ GMC-500Plus Geiger Counter logs beta, gamma, and X-ray levels for environmental monitoring, training labs, and safety demonstrations.

Why bumble bees are going extinct in time of 'climate chaos'

Researchers at the University of Ottawa develop a new technique to predict the impact of climate change on species extinction risk, finding that bumble bee populations are disappearing in areas with hotter temperatures. The study's findings suggest a future with fewer bumble bees and reduced diversity, both in the wild and on our plates.

Mosquitoes seek heat using repurposed ancestral cooling receptor

Researchers identified a key driver of heat-seeking behavior in Anopheles gambiae mosquitoes, a primary vector of malaria transmission, by repurposing an ancestral thermoreceptor. Blocking this receptor significantly reduced the ability of female mosquitoes to find blood sources.

Cedars-Sinai to study how fat may promote cancer spread to liver

A Cedars-Sinai team will investigate the interplay between dietary fat and fatty liver disease to understand how cancer spreads to the liver and find ways to block it. The study aims to identify key mechanisms that allow cancer to spread to the liver and develop potential treatments.

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.

Marine biology: Whales coordinate deep dives to evade predators

Researchers analyzed data from 26 beaked whales using sensors that tracked their depths and sounds. The study found that the whales performed closely coordinated deep dives to forage using echolocation while limiting vocalizations at shallow depths to avoid killer whale attacks.

Celestron NexStar 8SE Computerized Telescope

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

Setting up fundamental bases for information metasurface

A general information theory of metasurface has been proposed to analyze the relation between the information of metasurface and its far-field radiation pattern. The scientists found an upper bound of information contained in the radiation pattern of a metasurface, revealing theoretical upper limit of orthogonal radiation states.

Stopping onchocerciasis on two sides of a border

Researchers successfully coordinated MDA to stop onchocerciasis transmission in Sudan and Ethiopia, demonstrating the effectiveness of binational cooperation. The study marked the first known interruption of transmission across international borders.

Study: Two enzymes control liver damage in NASH

University of California San Diego School of Medicine researchers identify a molecular pathway that allows nonalcoholic steatohepatitis (NASH) to progress into liver cell death. They found that suppressing AMPK and increasing caspase-6 activity can stop progression from fatty liver to NASH and subsequent liver cell death.

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.

Collaboration lets researchers 'read' proteins for new properties

A collaborative research effort has identified key amino acid sequences responsible for liquid-liquid phase separation in proteins. The study's findings reveal that spacers play a crucial role in diluting the interaction strength of sticky amino acids, allowing proteins to condense into liquids.

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.

Graphene mapping 50 times faster

Researchers at UT University have developed an algorithm that improves Raman spectroscopy's signal-to-noise ratio, allowing for faster graphene mapping. The technique can also be applied to other two-dimensional materials, such as germanene and silicene.

Oh my aching back: Do yoga, tai chi or qigong help?

A comprehensive review of movement-based mind-body interventions found yoga, tai chi, and qigong to be effective in treating chronic lower back pain. The studies showed reductions in pain intensity, disability, and improved functional ability, with longer duration and high-dose yoga intervention and tai chi showing greater benefits.

Brain tumor surgery that pushes boundaries boosts patients survival

A retrospective study by researchers at UC San Francisco found that removing the non-contrast-enhancing tumor increases survival for adults with glioblastoma. Patients with IDH-mutant tumors who underwent resections of both contrast-enhancing and non-contrast-enhancing tumor had a significantly longer average survival time, around 37.3...

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.

Direct synthesis of azulene continues to reveal alluring properties

Researchers at Shinshu University successfully synthesized 2-arylazulene, a breakthrough that enables the production of azulene derivatives on a larger scale. The study also revealed unexpected fluorescence properties in acidic conditions, which the team is investigating to elucidate.

Microglia regulate forgetting in the adult brain

A recent study has shown that microglia regulate forgetting in the adult brain by weakening and eliminating synapses connecting engram neurons. Inhibiting microglial activity or depleting them prevents forgetting, while intact microglia facilitate the dissociation of engram cells, leading to memory erasure.

Researchers study elephants' unique interactions with their dead

Researchers found that elephants display a generalized interest in their dead, with common behaviors including touching, approaching, and investigating carcasses. This suggests that elephants may be experiencing some form of emotional response to death, potentially related to grief or memory.

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.

Global study maps cancer mutations in large catalogue

Researchers have compiled a global catalogue of cancer mutations to help doctors tailor treatments and improve patient outcomes. The study found that 95% of cancer occurrences can be explained by genetic mutations, paving the way for precision medicine.

Breathing may change your mind about free will

Research at EPFL suggests that breathing patterns influence conscious decision-making and acts of free will. The study found that voluntary actions are linked to the body's internal state, particularly during exhalation.