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Science News Archive December 2019 - Page 11


Page 11 of 36

New cellulose-based air filter offers cost-effective low resistance

A graduate student at the University of Tennessee has developed a new nanocellulose-based material that provides outstanding air filtration performance, with potential to remove over 99% of fine particles in air. The filter is cost-effective and environmentally friendly, making it highly promising for indoor air purification applications.

SourceUniversity of Tennessee Institute of Agriculture·DateDec 17, 2019

Study finds Chinese plant biodiversity at risk due to human activity: Narrow-ranged losers, widespread winners

A study published in PNAS found that humans are driving the loss of biodiversity among narrow-ranged plant species in China, while widespread species are thriving. The research revealed that human impact factors lead to a negative correlation with narrow-ranged species and a positive correlation with widespread species.

SourceChinese Academy of Sciences Headquarters·JournalProceedings of the National Academy of Sciences·DateDec 17, 2019

Shifting the balance of growth vs. defense boosts crop yield

A team led by CSHL Professor David Jackson has identified a gene in corn that contributes to both plant development and immune system control. Manipulating this gene, Gß, could increase crop yields by reprogramming the balance between growth and defense.

SourceCold Spring Harbor Laboratory·JournalProceedings of the National Academy of Sciences·DateDec 17, 2019
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.

Researchers uncover genetic mystery of infertility in fruit flies

A novel parasitic gene in fruit flies is responsible for destroying eggs in ovaries, similar to human genomes filled with mobile parasitic genes called transposons. The discovery may lead to a better understanding of how human genomes are shaped by transposons and the small RNA molecules used to silence them.

SourceBoston University School of Medicine·DateDec 17, 2019
Apple iPhone 17 Pro

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

Study: US takes 'low road' to growth with adverse impact on wellbeing, future prosperity

A new study published in the Cambridge Journal of Economics finds that countries taking the 'low road' to growth, like the US, experience adverse effects on wellbeing and future prosperity. In contrast, Scandinavian countries that take the 'high road' by investing in social reproduction see positive effects on human welfare.

SourceUniversity of Vermont·JournalCambridge Journal of Economics·DateDec 17, 2019

Interest in presidential eating habits may affect the public's food choices

A recent study published in Appetite found that people who pay more attention to media coverage about Trump's diet are more likely to view fast food as a socially acceptable meal option. This increased attention is also associated with a greater likelihood of eating fast food in the near future, regardless of party affiliation.

SourcePenn State·JournalAppetite·DateDec 17, 2019

Protein injections in medicine

Researchers have successfully replaced bacterial toxins with proteins in nano-syringes, enabling targeted delivery of drugs to specific body cells. The innovation aims to introduce drugs into cancer cells with minimal side effects.

SourceMax-Planck-Gesellschaft·JournalNature Communications·DateDec 17, 2019
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.

Malaria under arrest: New drug target prevents deadly transmission

Australian researchers have identified a new drug target for preventing the deadliest malaria parasite from spreading infection. The breakthrough involves blocking the export of gametocyte proteins, essential for malaria transmission, using small molecule inhibitors developed at the Walter and Eliza Hall Institute.

SourceWalter and Eliza Hall Institute·JournalCell Reports·DateDec 17, 2019

There is no 'I' in team -- or is there?

A study published in the Journal of Occupational and Organizational Psychology found that individual psychological ownership boosts personal engagement and creativity, but decreases collective effort. Conversely, collective ownership enhances team engagement, but not necessarily individual performance.

SourceUniversity of East Anglia·JournalJournal of Occupational and Organizational Psychology·DateDec 17, 2019

Healthy diet could save $50 billion in health care costs

A new study found that unhealthy diets account for almost 20% of heart disease, stroke, and diabetes costs in the US. Suboptimal diets cost approximately $300 per person, or $50 billion nationally, accounting for 18 percent of all heart disease, stroke, and type 2 diabetes costs.

SourceBrigham and Women's Hospital·JournalPLOS Medicine·DateDec 17, 2019

Differentiating amino acids

Researchers from the University of Freiburg and US universities have developed a method to differentiate between individual amino acids in short peptides. They used an aerolysin nanopore to measure the ion current through the pore, enabling the sensitive measurement of peptide size and structure.

SourceUniversity of Freiburg·JournalNature Biotechnology·DateDec 17, 2019
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.

Social determinants of health are linked to gun homicide rates

A new study published in PLOS Medicine found that social determinants of health, such as income inequality and trust in institutions, are associated with higher gun homicide rates in the US. The study also showed that levels of social mobility and poverty are linked to neighborhood gun homicide rates.

SourcePLOS·JournalPLOS Medicine·DateDec 17, 2019

Screen could offer better safety tests for new chemicals

A new screening method developed by MIT biological engineers can detect DNA damage in cells, which can predict cancer development. The test uses human liver-like cells and has enhanced sensitivity, detecting all nine chemicals tested.

SourceMassachusetts Institute of Technology·JournalNucleic Acids Research·DateDec 17, 2019
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.

Suboptimal diet and cardiometabolic disease healthcare costs in the US

A recent study published in PLOS Medicine estimates that approximately $50.4 billion of the annual healthcare cost of cardiometabolic disease in the US population is associated with suboptimal diet. The highest costs are linked to low consumption of foods like nuts, seeds, and seafood-derived omega-3 fats.

SourcePLOS·JournalPLOS Medicine·DateDec 17, 2019

How vulnerable is your car to cyberattacks?

New research from Michigan State University reveals cracks in the current system leading to potential cyber risks in smart vehicles. The study recommends improving safety through better resources and policies to protect users, vehicles, and customers.

SourceMichigan State University·JournalJournal of Crime and Justice·DateDec 17, 2019

Researchers create functional mini-liver by 3D bioprinting

A team of Brazilian researchers has developed a technique to create functional mini-livers using human blood cells and 3D bioprinting. The innovation allows for the production of hepatic tissue in the laboratory in just 90 days, and may become an alternative to organ transplantation in the future.

SourceFundação de Amparo à Pesquisa do Estado de São Paulo·JournalBiofabrication·DateDec 17, 2019
Celestron NexStar 8SE Computerized Telescope

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

And then there was light

Phytochromes can sense light intensity, duration, color, and day length by measuring the proportions of their inactive and active forms. Researchers have overcome a major hurdle to defining the transition between these states, allowing for atomic-resolution molecular movies of the process.

SourceWashington University in St. Louis·JournalProceedings of the National Academy of Sciences·DateDec 17, 2019

Turning light energy into heat to fight disease

Researchers create non-contact and non-invasive technique to measure temperature transients in time and thermal images in space at terahertz frequencies. The smallest gold particles converted laser light to heat with the highest efficiency, approximately 90%, making this method promising for biomedical applications.

SourceAmerican Institute of Physics·JournalAPL Photonics·DateDec 17, 2019

Applying physics principle yields grim prediction on hurricane destruction in an era

A physicist has developed a new model predicting the increased destructive power of hurricanes as water temperatures rise. The model is based on a physics principle and suggests that the destructive power of Atlantic hurricanes off Africa could reach three times their current level if water temperatures increase by 2 degrees Celsius.

SourceNYU Tandon School of Engineering·JournalTheoretical and Applied Climatology·DateDec 17, 2019

Newly discovered protein gives signal for virus infection

A newly discovered protein called Mib1 has been identified as key to successful viral DNA uncoating, enabling adenoviruses to infect cells. The protein's presence is necessary for viral infection, and its inhibition could lead to the development of new anti-viral therapies.

SourceUniversity of Zurich·JournalCell Reports·DateDec 17, 2019
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.

Filtered coffee helps prevent type 2 diabetes, show biomarkers in blood samples

Researchers found that filtered coffee reduces the risk of developing type 2 diabetes by up to 60%, but boiled coffee does not have this effect. The study used a novel method called metabolomics to identify specific molecules in blood samples, which indicate coffee intake and its impact on metabolism.

SourceChalmers University of Technology·JournalJournal of Internal Medicine·DateDec 17, 2019

A new playbook for interference

Physicists at NIST have achieved a major new feat by creating a bizarre quantum interference between two photons of markedly different colors, originating from different buildings. This experiment is an important step towards future quantum communications and computing.

SourceNational Institute of Standards and Technology (NIST)·JournalPhysical Review Letters·DateDec 17, 2019

Stroke drug boosts stem cell therapy for spinal cord injury in rats

Researchers found that treating spinal cord injuries with conditioned stem cells boosted neural growth and improved motor function in rat models. After four months, the treated rats showed a three-fold increase in motor activity and significant improvements in cell survival, offering new hope for human treatment.

SourceUniversity of California - San Diego·JournalScientific Reports·DateDec 17, 2019

Millions with swallowing problems could be helped through new wearable device

Researchers at Purdue University have developed a wearable monitoring device to treat swallowing disorders. The device uses a skin-mountable sensor sticker to measure muscle activity and movement associated with swallowing, allowing for precise coordination of over 30 pairs of muscles and six cranial nerves.

SourcePurdue University·JournalScience Advances·DateDec 17, 2019
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.

Air quality tests need simplifying to help reduce dangerous emissions

Researchers recommend simplifying air quality testing methods to improve accuracy in simulating atmospheric chemical reactions and reducing pollution. A combination of bottom-up and top-down techniques can help achieve more accurate results.

SourceTaylor & Francis Group·JournalJournal of the Air & Waste Management Association·DateDec 17, 2019

Blue mushroom dye used to develop new fluorescent tool for cell biologists

Scientists at the University of Bath have developed a new probe, AzuFluor, to detect reactive oxygen species in cells under the microscope. This probe uses a bright blue chemical found in mushrooms and has shown potential applications in cell biology and the pharmaceutical industry.

SourceUniversity of Bath·JournalJournal of the American Chemical Society·DateDec 17, 2019

Fatty meal interrupts gut's communication with the body, but why?

A high-fat meal can disrupt communication between the intestine and the rest of the body through enteroendocrine cells, which produce hormones to signal digestion and nutrient absorption. The study found that these cells become overstimulated and exhausted after a high-fat meal, leading to silencing of their signals.

SourceDuke University·DateDec 17, 2019

A closer look at the diabetes disaster

The global diabetes epidemic is reaching epidemic levels, with 425 million people affected and projected to increase to over 600 million. The book 'Traveling with Sugar' examines the havoc diabetes has caused in Belize, highlighting the need for improved infrastructure for treating the condition.

SourceMassachusetts Institute of Technology·DateDec 17, 2019
Sky & Telescope Pocket Sky Atlas, 2nd Edition

Sky & Telescope Pocket Sky Atlas, 2nd Edition is a durable star atlas for planning sessions, identifying targets, and teaching celestial navigation.

Astrophysics and AI may offer key to early dementia diagnosis

A new AI-powered computer model has been developed to identify early signs of dementia, potentially improving diagnosis rates in the UK. The model, created by a collaboration between astrophysicists and medical researchers, can analyze patient records to predict 70% of dementia cases before a formal diagnosis.

SourceUniversity of Sussex·JournalBMC Medical Informatics and Decision Making·DateDec 17, 2019

New tool reveals DNA structures that influence disease

A new algorithm called OnTAD rapidly identifies and elucidates the functions of topologically associating domains (TADs), which are disrupted in diseases like cancer. The tool reveals increased gene expression in hierarchical TADs, associated with active epigenetic states.

SourcePenn State·JournalGenome Biology·DateDec 17, 2019

Gastric cancer susceptibility marker discovered

Researchers discovered a key factor, USF1, that inhibits p53 activity, promoting gastric cancer development. USF1 levels can indicate poor prognosis and help identify patients at higher risk of severe forms of gastric cancer.

SourceInstitut Pasteur·JournalGut·DateDec 17, 2019
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.

Suicide plays smaller role in opioid deaths than thought

A study published in JAMA found that only 4% of opioid-related overdose deaths are due to suicide, contradicting recent estimates. The research suggests that the primary focus should be on substance use rather than suicide for most individuals who overdose on opioids.

SourceColumbia University Irving Medical Center·JournalJAMA·DateDec 17, 2019

Argonne-led team wins technology challenge at SC19

An Argonne-led team demonstrated real-time analysis of large amounts of data from Argonne's Advanced Photon Source, showcasing low latency and high-performance capabilities. The successful demonstration highlighted the importance of near-real-time analysis for future research and development.

SourceDOE/Argonne National Laboratory·DateDec 17, 2019
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.

Poor sight causes people to overstep the mark

Researchers at Anglia Ruskin University found that people with impaired vision lifted their lead foot higher but less quickly over obstacles, increasing their risk of falls. This pronounced gait also led to increased anxiety and decreased stability, highlighting the need for better vision correction and care.

SourceAnglia Ruskin University·JournalScientific Reports·DateDec 17, 2019

Fine-tuning thermoelectric materials for cheaper renewable energy

Researchers have developed new thermoelectric materials, halide perovskites, which can convert heat into electricity at lower costs. The team improved the materials' properties through partial oxidation and doping techniques, paving the way for their use in sustainable energy applications.

SourceQueen Mary University of London·JournalNature Communications·DateDec 17, 2019

Vaping may have similar effects to smoking on harmful lung bacteria

A recent study published in Respiratory Research found that vaping may have similar effects on harmful lung bacteria as smoking. Researchers compared the effects of cigarette smoke and e-cigarette vapor on four types of bacteria associated with smoking-related illnesses, including chronic obstructive pulmonary disease (COPD) and asthma.

SourceBMC (BioMed Central)·JournalRespiratory Research·DateDec 17, 2019

High-def mapping of moisture in the soil

A new approach developed by University of Delaware researchers uses machine learning to predict soil moisture conditions in smaller areas with greater detail than standard models. This improves regional and global analysis while providing more accurate predictions even without existing data.

SourceUniversity of Delaware·JournalPLOS ONE·DateDec 17, 2019
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.

Koalas climb like apes but bound on the ground like marsupials

Researchers have discovered that koalas move like marsupials on the ground but employ primate-like strategies when climbing through trees. Koalas exhibit a similar gait pattern to primates, with diagonally opposed hand and foot in contact with branches for stability.

SourceThe Company of Biologists·JournalJournal of Experimental Biology·DateDec 17, 2019

Suction cups that don't fall off

Researchers at the University of Cambridge have discovered how aquatic larvae of net-winged midges create super-strong suction organs, enabling them to move around on rocks in turbulent water. This study aims to inspire the development of bio-inspired suction cups with improved industrial applications.

SourceUniversity of Cambridge·JournalBMC Zoology·DateDec 17, 2019

'Locally grown' broccoli looks, tastes better to consumers

Consumers rated locally grown New York broccoli as better-looking and tasting than a California variety, even though it didn't look more appealing. The study suggests that labeling products as local can improve their perceived value and quality, regardless of actual differences in taste or appearance.

SourceCornell University·JournalAgricultural and Resource Economics Review·DateDec 17, 2019
Sky-Watcher EQ6-R Pro Equatorial Mount

Sky-Watcher EQ6-R Pro Equatorial Mount provides precise tracking capacity for deep-sky imaging rigs during long astrophotography sessions.

Multiple sclerosis: New standards required for planning clinical trials

A working group of medical organizations analyzed 29 pivotal phase III trials for disease-modifying drugs in MS, finding that patient symptoms and quality of life were often not considered. They suggest improving studies by focusing on patient-reported outcomes and long-term treatment effects.

SourceInstitute for Quality and Efficiency in Health Care·JournalThe EPMA Journal·DateDec 17, 2019