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Science News Archive September 2021


Page 36 of 40

Wired for efficiency: How methanogenic microbes manage electrons

Researchers discovered a massive enzyme complex in methanogenic archaea that directly transfers electrons from electron bifurcation to CO2 reduction, increasing efficiency. This finding may lead to sustainable biotechnological development and reduce greenhouse gas emissions.

Changing structures of summertime heatwaves over China during the past decades

A recent study analyzed the structure of heatwaves in China from 1961 to 2017, finding that most summertime heatwaves were compound heatwaves with both hot days and hot nights. The study also revealed the influence of urbanization on heatwave structures and provided instructions for researchers to customize heatwave indices.

Apple iPhone 17 Pro

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

Beckman neuroscientists define safe protocol for EEG-fMRI imaging

A team of neuroscientists at the Beckman Institute developed safety standards for multiband EEG-fMRI imaging, reducing heating risks and maintaining data quality. By establishing protocols to mitigate artifacts, they enabled the use of accelerated fMRI sequences with EEG recordings.

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 confirm correlation between education expenditure and GDP growth

A study by HSE University researchers found a positive correlation between GDP and education expenditure for OECD members, with stronger effects over the long term. However, in developing economies, increased investment in secondary and professional education actually decelerates GDP growth due to labor market mismatch.

No serious health effects linked to mRNA COVID-19 vaccines

A comprehensive study of 6.2 million patients found no serious health effects linked to mRNA COVID-19 vaccines, with some early findings previously reported at CDC meetings. The Vaccine Safety Datalink's COVID-19 rapid cycle analysis will continue tracking vaccinated patients for at least 2 years.

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.

Deep recycling of supracrustal materials at 3200 million years ago

Researchers analyzed zircon grains from ancient rocks in South Africa to find evidence of supracrustal material recycling in the Archean period. They discovered that this process occurred at depths greater than 40 km, with zircon oxygen isotope values indicating interaction with low-temperature water and surface processes.

Texas A&M researchers apply free-flight training to parrot conservation

Researchers at Texas A&M University applied the methods of globally recognized free-flight trainer Chris Biro to establish new bird flocks in the wild. The trained birds learned to recognize natural dangers, forage for food, and navigate their environment, paving the way for parrot conservation.

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.

Changes in health insurance coverage during pandemic

The study analyzed US Census survey data to assess changes in health insurance coverage during the COVID-19 pandemic. Significant changes were found in enrollment rates and access to care, highlighting the need for policies addressing these issues.

Ranking apps on privacy

Researchers developed an algorithm to rank apps based on their privacy scores, allowing users to easily find and install non-intrusive apps. The system considers two scores: permission and listener access, providing a ranking of apps from least intrusive to most private.

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.

Identification of plant-parasitic nematode attractant

A recent study has identified a nematode attractant in flax seeds, which can be used to develop sustainable and environmentally-friendly agriculture methods. The attractant, consisting of cell wall polysaccharides, is found to contain L-galactose sidechains that are critical for nematode attraction.

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 model for solving novel problems uses mental map

Researchers at the University of California, Davis, have developed a new model for solving abstract problems by utilizing internal cognitive maps. The study found that humans can mentally reconstruct complex social networks and use these maps to make decisions, even with limited information.

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.

Study reveals drastic decline of subtropical aquatic insects

A study published in Biology Letters reveals a drastic fall in the number of aquatic insects in the Paraná River basin due to dam construction. The research, conducted over 20 years, found that dams alter the nutrient balance and provide a clearer water environment, making insects more vulnerable to predation.

Fish eyes from a petri dish

Researchers have successfully cultivated complex retinal tissue from embryonic stem cells of medaka and zebrafish. The study, published in eLife, demonstrates the feasibility of growing retina-like structures in a Petri dish, offering new insights into retinal development and potential applications for human medicine.

Wet-chemical synthesis of two-dimensional metal electrocatalysts

Recent research advances in wet-chemical synthesis of two-dimensional metal nanomaterials have improved the efficiency and stability of electrocatalysts. The authors reviewed various synthetic methods and explored their applications in different electrochemical reactions.

GoPro HERO13 Black

GoPro HERO13 Black records stabilized 5.3K video for instrument deployments, field notes, and outreach, even in harsh weather and underwater conditions.

Young adults at highest risk of weight gain

A new study found that young adults aged 18 to 24 are four times more likely to become overweight or develop obesity over the next 10 years than those aged 65 to 74. The study suggests that age is the most important sociodemographic factor for BMI change, and that targeted interventions for young adults may be necessary to prevent obes...

Study shows tiger sharks have social preferences for one another

A study by the University of Miami found that tiger sharks form social groups and exhibit social preferences, but interactions become more random when fed by dive tourism. The researchers tracked tiger sharks over three years and used Social Network Analysis to examine their behavior.

Drug cocktail reduces aging-associated disc degeneration

Researchers at Thomas Jefferson University have discovered a drug cocktail that can mitigate disc degeneration associated with aging, reducing chronic back pain. By targeting senescent cells, the treatment slowed disc degeneration when administered early in life.

Meta Quest 3 512GB

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

Imaging single spine structural plasticity at the nanoscale level

Scientists have developed a powerful new imaging strategy capable of visualizing the fine, ultrastructural changes to dendritic spines during structural plasticity. They found that the postsynaptic density region underwent significant growth and reorganization on a rapid timescale.

Global warming threatens the existence of an Arctic oasis

The North Water Polynya, an Arctic oasis, is susceptible to climate change, with its high rate of primary production maintaining a diverse ecosystem. The polynya's stability has varied over the last millennia, with periods of instability linked to warmer climate periods and low productivity rates.

Linking humans with blue carbon ecosystems

A study by Hokkaido University researchers found that seagrass ecosystems are more vulnerable to loss and degradation than mangrove ecosystems. Communities with greater reliance on fisheries and tourism income have higher socio-economic sensitivity due to low adaptive capacity, leading to limited alternatives to fishing. Improving acce...

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.

Practice makes perfect

Scientists from the University of Tsukuba analyzed video from top-level judo matches to systematically determine the aspects of posture that lead to success. The study found that the distance between competitors is a key factor in correct technique, which may assist in automating athletic training methods.

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.

Study reveals threat of catastrophic supervolcano eruptions ever-present

A study found magma continued to ooze out from an ancient supervolcano in Indonesia for 5000 to 13,000 years after the super-eruption. This discovery challenges existing knowledge and requires re-evaluation of eruption hazards. Supervolcanoes remain a threat for thousands of years after a super-eruption.

Sudden cardiac episodes could be caused by deadly cocktail

Researchers discover that sudden cardiac episodes are caused by a combination of genetic mutations and chemical modifications in heart cells. The study uses new technology to manipulate the protein, demonstrating that phosphorylation can affect its function, particularly when paired with mutations.

Generating entangled photons with nonlinear metasurfaces

A new approach to generating quantum-entangled photon pairs uses nonlinear metasurfaces to enhance and tailor photon emissions. The researchers achieved a five-order-of-magnitude increase in the brightness of entangled photons, with a highly configurable platform that can control entanglement and direction.

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.

Blood vessels produce growth factor that promotes metastases

Researchers identified a new growth factor produced by blood vessels that enables tumor cells to metastasize. The study, led by Hellmut Augustin, found that the production of LRG1 promotes the formation of a microenvironment that stimulates cancer cell growth and colonization.

Celestron NexStar 8SE Computerized Telescope

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

Geologists look to past for answers on future tsunami threats

Researchers are using geological history to better understand tsunami hazards and improve predictions of future events. A recent study in north-central Chile found geologic evidence of a 1922 tsunami, providing valuable insights into the region's tsunami risk.