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Science News Archive 2019


Page 46 of 486

Genetic studies reveal how rat lungworm evolves

Researchers found transposable elements and gene expansions related to antioxidants in the rat lungworm parasite, suggesting adaptive evolution. The study also discovered convergent evolution of a key enzyme with flukes, which share similar host requirements.

New algorithms train AI to avoid specific bad behaviors

Researchers at Stanford and UMass Amherst develop a new technique to create machine-learning algorithms that can learn to avoid undesirable outcomes such as gender bias and excessive risk. Their approach, called the Seldonian algorithm, enables users to specify what behaviors they want an AI system to avoid with high probability.

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.

Brain biomarker predicts compulsive drinking in mice

A neural circuit in the brains of mice controls the development of compulsive drinking disorders, identified by a biomarker that could become a target for alcohol use disorder therapies. Effective treatments are needed, and this finding offers an extremely promising step forward.

Simple model explains why different four-legged animals adopt similar gaits

A simple computational model explains why different four-legged animals adopt similar gaits, revealing that walking at slow speeds and running or trotting at intermediate speeds are globally optimal strategies. The results support the idea that mammals utilize movement strategies that optimize energy use when they move.

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.

NASA found Atlantic's Sebastien was fighting wind shear

Tropical Storm Sebastien is being pushed towards becoming a hurricane due to strong winds and low pressure. NASA's Terra satellite has captured images showing the storm's clouds and showers have been displaced by wind shear, weakening its rotation.

NASA imagery indicates a dissipating Kalmaegi

Kalmaegi, known as Tropical Cyclone Ramon in the Philippines, was a tropical depression that dissipated over the South China Sea. The storm's weakening was confirmed by NASA's Aqua satellite, which captured images of its shapeless form on November 21.

Who is left behind in Mass Drug Administration?

Research reveals that MDA programmes often fail to reach marginalized communities due to inequitable treatment delivery, affecting PC NTD prevention. The study highlights the need for consideration of gender and equity issues in health systems to address these disparities.

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.

A review of single molecule-based electronic devices

Molecular electronic devices use molecules to build ordered systems with quantum effects, offering advantages like small volume, easy synthesis, and high efficiency. However, research is still theoretical, and device manufacturing reliability, repeatability, and cost need improvement.

Detecting mental and physical stress via smartphone

A study by Politecnico di Milano used smartphone accelerometers to detect heart rate and stress levels with high accuracy. The research involved placing the phone on the abdomen for short periods, allowing it to capture signals associated with mechanical cardiac activity.

New twist in quest to develop understanding of time crystalline behavior

Physicists from the University of Exeter have theoretically found a quantum system where time correlations survive for an infinitely long time, breaking the no-go theorem for genuine time crystals. The discovery could lead to the development of novel atomic clocks and shed light on condensed matter physics.

Apple iPhone 17 Pro

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

Scientists first to develop rapid cell division in marine sponges

Researchers at FAU Harbor Branch and Wageningen University developed a breakthrough in marine sponge cell culture, demonstrating rapid cell division in nine species. This discovery forms the basis for developing marine invertebrate cell models to understand early animal evolution and determine the role of secondary metabolites.

The American Pediatric Society announces new members

The American Pediatric Society (APS) has announced 45 new members, including leading experts in pediatric research, education, and clinical practice. These individuals are recognized for their outstanding contributions to the advancement of child health.

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.

Turning to old remedies for new health challenges

Acinetobacter baumannii is a highly resistant bacteria that causes persistent skin and soft tissue infections. Researchers are investigating the use of selenium as an antimicrobial agent, which has shown promise in inhibiting bacterial virulence.

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.

Brain biomarker predicts compulsive drinking

Researchers at Salk Institute discover a brain circuit controlling alcohol drinking behavior in mice, which can predict compulsive drinking. The study found that neural communication patterns between two brain regions are related to the development of compulsive drinking.

Investigational drug for people with treatment-resistant epilepsy

Cenobamate reduces seizures by 55% in patients with treatment-resistant epilepsy, offering new hope for those who have limited success with traditional medications. The study, led by Johns Hopkins lead investigator Gregory Krauss, involved 437 participants across 16 countries and found significant improvements in seizure control.

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.

'Combo' nanoplatforms for chemotherapy

Researchers have developed 'combo' nanoplatforms using graphene oxide and reduced graphene oxide to enhance chemotherapy therapy. These nanocarriers can target tumors and improve drug delivery, reducing side effects on normal cells/tissues.

Almost a third of tropical Africa's flora faces extinction

A new study reveals that 31.7% of tropical Africa's vascular plant species are potentially threatened with extinction, while an additional 33.2% are potentially rare. The RAINBIO database was used to identify four regions in Africa most exposed to threats.

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.

Decoding the fundamental mechanisms of human salivary lubrication

Researchers unveil molecular mechanisms governing saliva's lubrication properties, resolving distinct roles played by mucin- and non-mucinous proteins. Hydrated mucin forms a mesh-like nano-reservoir trapping water molecules, while positively-charged small molecular proteins aid boundary lubrication.

A new antibiotic to combat drug-resistant bacteria is in sight

Researchers have discovered a novel peptide, Darobactin, effective against antibiotic-resistant gram-negative bacteria. The substance binds to the BamA protein, disrupting the bacterial external membrane and leading to its death. This finding presents a promising lead for developing a new antibiotic.

Trials promise good news for countries with dengue and Zika virus

Researchers have found an effective and environmentally sustainable way to block the transmission of dengue virus using a new strain of Wolbachia bacteria. In trials carried out in Malaysia, the strain reduced cases of dengue by 40% and established itself even in hot temperatures.

Fluke 87V Industrial Digital Multimeter

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

New type of e-cigarette vaping injury described in CMAJ

A previously healthy 17-year-old male was hospitalized with life-threatening bronchiolitis after a week of persistent cough. The case suggests a new form of damage from vaping products, similar to popcorn lung, and highlights the need for further research and regulation.

Neighborhood matters for fentanyl-involved overdose deaths

A study by Columbia University Mailman School of Public Health found that fentanyl-involved overdose deaths are concentrated in resource-deprived neighborhoods. The research used census block group-level data to examine the local geographic distribution of drug overdoses, revealing a unique perspective on overdose locations.

Predicting metastasis from primary tumor size

A new mathematical model predicts the presence of undetectable metastases based on primary tumor size, which is associated with a poorer prognosis. The model accurately reflects clinical study data for several cancer types, highlighting the potential dangers of delays in surgery for smaller tumors.

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.

Study shows lower mortality from induction of labor at 41 weeks

A Swedish study of 2,760 women found that induction of labor after 41 full gestational weeks resulted in no deaths, whereas six cases of perinatal death were recorded when labor was waited for until 42 weeks. The study suggests a safer alternative for mothers and babies.

New Alzheimer's risk gene discovered

A new study has identified a genetic variation in the Mucin 6 gene that may contribute to late-onset Alzheimer disease. The findings suggest a strong association between the genetic variant and the disease, implying a large effect size and opening up possibilities for future therapeutic targets.

Scientists help soldiers figure out what robots know

A US Army Research Laboratory team developed new algorithms to integrate context into artificial intelligence, advancing robotics and AI processes in areas like natural language communication and world model development. The research supports the Next Generation Combat Vehicle by integrating context-driven AI within human-autonomy teams.

Celestron NexStar 8SE Computerized Telescope

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

Life under extreme conditions at hot springs in the ocean

Marine researchers investigated adaptability of marine organisms to highly acidified seawater after earthquake and typhoon hit a volcanic island. Organisms were able to adapt to changes in biogeochemistry, providing insights into effects of ocean acidification on marine communities.

Climate change reassessment prompts call for a 'more sober' discourse

An international research team has called for a more sober discourse around climate change prospects, highlighting the understatement of potential warming's speed and the scope for practical mitigation. Despite this, global decarbonization has accelerated to trend on course to achieve the Paris 2C target.

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.

CUHK Faculty of Engineering develops novel imaging approach

The CUHK Faculty of Engineering has developed a novel imaging approach that enables faster 3D imaging for biomedical research. The new method uses compressive sensing and multi-focus laser scanning to reduce the number of measurements by up to 90%, resulting in significantly faster image acquisition times.

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.

Grid reliability under climate change may require more power generation capacity

Researchers developed a new modeling approach that considers climate and water impacts on electricity infrastructure development, revealing the U.S. power grid may require an additional 5.3% to 12% of capacity to meet demand and reliability requirements. The study suggests viable solutions include tradeoffs in regional technology choic...