Bluesky Facebook Reddit Email

Science News Archive August 2023


Page 19 of 38

Scientists use FAST to discover a new population of ‘dwarf’ pulses

Researchers detected distinct 'dwarf pulses' from PSR B2111+46 using the Five-hundred-meter Aperture Spherical radio Telescope. These narrow, weak pulses exhibit a rare reversed spectrum and are produced by one or a few particles generated by pair production in a fragile gap of the pulsar's magnetosphere.

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.

New call for joint effort to bolster research integrity

A new article by leading researchers emphasizes the need for a coordinated approach among all stakeholders to improve trust in research. The authors outline roles for each group, from funders to media outlets, to work together to fortify science integrity.

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.

Uncovering the role of somatostatin signaling in the brain

A Penn State-led research team discovered that somatostatin signaling acts to dampen communication among cell types in the prefrontal cortex, promoting exploratory and risk-taking-like behavior. The findings suggest that somatostatin fine-tunes circuits to promote certain behaviors, including decision making.

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.

Astronomers find progenitor of magnetic monster

Researchers discovered a new type of astronomical object - a massive magnetic helium star that may evolve into a magnetar. The star has a phenomenally powerful magnetic field, about 43,000 gauss, and will eventually collapse into a neutron star with an even stronger magnetic field.

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.

It’s not just humans: City life is stressful for coyotes, too

A study by Ohio State University found that urban coyote cortisol levels are higher than those in suburban or natural areas. Chronic stress is also linked to poor physical condition, such as mange infection, and the responsibility of running a pack, with alpha individuals experiencing high stress levels.

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.

Racial and ethnic differences in gut microbiome emerge at 3 months old

Researchers analyzed thousands of samples from 700 children between birth and 12 years old, finding that racial and ethnic differences in the gut microbiome arise after three months of age. The study suggests that external factors shape these variations rather than being present at birth.

Are you breaking your body clock?

Researchers developed a new mathematical model to study circadian rhythm resilience and develop ways to improve it in individuals with weak internal clocks. Sustained disruptions can lead to disorders like diabetes and memory loss.

Breast size affects women's attitudes to exercise

A new study published in JPRAS Open found that breast size affects women's attitudes towards exercise, with larger breasts leading to less frequent exercise. However, after breast reduction surgery, women reported increased overall frequency, enjoyment and willingness to exercise in a group.

Unlocking chaos: Ultracold quantum gas reveals insights into wave turbulence

Scientists explore ultracold quantum gas to understand wave turbulence, discovering a universal relation that describes the state's characteristics regardless of external factors. The findings echo the universality of the ideal gas law for equilibrium states, opening up new avenues for understanding non-equilibrium systems.

Celestron NexStar 8SE Computerized Telescope

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

Research gives new insights into fighting antimicrobial resistance

A new study from the University of Nottingham models how antibiotic resistance genes build up in gut bacteria through lifetime exposure to food intake and antibiotic treatment. The research suggests that reducing exposure to resistance genes is particularly effective during periods of antibiotic treatment, and that dietary advice shoul...

Immune cells present long before infection predict flu symptoms

Researchers found that certain immune cells were associated with increased protection from flu symptoms, while others were linked to susceptibility. The study's findings have implications for developing tailored vaccine platforms and improving public health strategies.

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.

HKUMed & CityU researchers jointly generate human neural stem cells with powerful therapeutic potential for the treatment of spinal cord injury, paving the way for new therapeutic opportunities

Researchers from HKUMed and CityU have generated human neural stem cells with enhanced therapeutic potential for treating spinal cord injuries. The new findings, published in Advanced Science, show that reducing the expression of the SOX9 gene promotes motor neuron formation and improves survival and integration of the stem cells.

Blood factor can turn back time in the aging brain

Scientists have identified platelet factor 4 (PF4) as a common messenger for the cognitive benefits of young blood transfusion, exercise, and the longevity hormone klotho. Studies show that PF4 calms down the aged immune system, reducing inflammation and promoting brain plasticity and cognition.

Can we assess our own immune system?

A study by the University of Konstanz found that people's self-assessments of their immune response to vaccination corresponded surprisingly well with actual antibody levels, especially when the immune response was weak. The researchers suggest that patients' self-perceptions provide valuable clues about their state of health, and phys...

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.

Cause of long COVID muscle weakness identified by pioneering study

Researchers at the University of Malta discovered that COVID-19 causes long-term muscle weakness by depleting the ACE2 receptor. This finding paves the way for therapeutic approaches to mitigate chronically disabling complications. The study used fruit flies to curb down ACE2 levels, inducing fatigue and diminished mobility.

Teeth could preserve antibodies hundreds of years old, study finds

Researchers found stable antibodies in 800-year-old medieval human teeth that can still recognize viral proteins, allowing them to study the history of infectious human diseases. This discovery expands the field of palaeoproteomics and may enable experts to analyze how human antibody responses developed over time.

Experiencing pain after a heart attack may predict long-term survival

A new study published in the Journal of the American Heart Association found that people who experience pain after a heart attack are more likely to die within the next 8.5 years. The study analyzed data from over 18,300 adults who had a heart attack and found that moderate or extreme pain was linked to a higher mortality risk.

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.

Prevalence, factors associated with vaping CBD among adolescents

A study of 28,000 middle and high school students found high vaping cannabidiol (CBD) prevalence, particularly among e-cigarette users and Hispanic youth. Evidence-based interventions are needed to reduce health risks associated with vaping CBD among developing youths.

Six strategies could boost NY City housing by 300,000 units over decade

A RAND Corporation report proposes six policies to boost NYC housing supply by 300,000 units, leading to increased affordability through competition among landlords and naturally occurring affordable housing. The strategies include relaxing density restrictions near public transportation hubs.

Apple iPhone 17 Pro

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

Protective particles allow engineered probiotics to report gut disease

Researchers developed a platform that allows engineered biosensor bacteria to safely pass through the gastrointestinal tract in animal models. The platform enables real-time monitoring of gut health and can be used to diagnose and monitor various diseases, including inflammatory bowel disease. It has the potential to revolutionize pati...

Why killer bacteria affect some people more severely

Researchers found that genetic variants of the STING gene and bacterial NADase enzyme activity interact to determine disease severity. People with the risk variant of STING have a higher risk of life-threatening conditions, while those with the protective variant are less affected.

Building muscle in the lab

Researchers at ETH Zurich have developed a method to grow functional human muscle stem cells in the lab using mRNA technology. This breakthrough could lead to new treatments for muscular dystrophy and other muscle disorders. The team successfully converted connective tissue cells into muscle stem cells, producing fully functional muscl...

The evolution of complex grammars

Researchers found that languages with larger populations of non-native speakers do not simplify their grammars. Instead, variations in complexity accumulate too slowly to adapt to the environment. This challenges long-held theories on the relationship between language complexity and social factors.

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.

Harnessing big data reveals birds’ coexisting tactics

Scientists at Michigan State University used big data to study bird coexistence in the Albertine Rift ecosystem. They found that birds partition their habitat use along environmental gradients and adopt different strategies to survive, allowing them to coexist without driving each other to extinction.

Studying the theoretical limit of learned source coding

A team led by Dr. Zixiang Xiong at Texas A&M University aims to understand the fundamental limits of learned source coding, a machine learning-based data compression method. They hope to develop more powerful compression methods for efficient use of wireless communication and less energy consumption by mobile devices.

Hollings head-and-neck team leads trial to reduce delays in care

A multidisciplinary team at Hollings Cancer Center has launched a trial to reduce delays in starting radiation therapy after surgery, which can worsen outcomes. The ENDURE approach addresses organizational, team, and patient-level barriers to care, with promising preliminary results.

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.

New leaf-tailed gecko from Madagascar is a master of disguise

Researchers have identified a new species of leaf-tailed gecko from northern Madagascar, showcasing its exceptional camouflage skills. The discovery has shed light on the unique characteristics of this species, including its skin flaps and flattened tail.

Smartphone app may support drinkers who overindulge to drink less heavily

A smartphone intervention app reduced unhealthy alcohol use among university students, with a 10% decrease in weekly drinks and 11% fewer heavy drinking days. The app, available for both Apple and Android smartphones, was effective in promoting healthier drinking habits without requiring significant resources.

Major festivities modulate light pollution patterns on a global scale

Researchers analyzed satellite images to find that major festivities like Christmas, Ramadan, Chinese New Year, and Diwali vary night-time lighting intensity globally. Light pollution has serious consequences for living organisms and can be mitigated with planning and management measures.

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.

Microplastic pollution: Plants could be the answer

Researchers at UBC's BioProducts Institute found a solution to capture virtually all microplastic particles in water by adding tannins to wood dust, trapping 95.2-99.9% of plastic particles. The method could be scaled up for municipal treatment systems or home use.