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Science News Archive June 2021


Page 42 of 51

Origins of meteorite delivery to Earth

Researchers recovered 10,000 extraterrestrial chrome-spinel grains to establish a paleoflux record of meteorites falling to Earth. The results suggest that meteorite delivery has been largely stable over the past 500 million years.

New research shows trend toward unhealthy eating during pandemic

A study of over 2,000 US adults found that the pandemic has led to a decrease in the consumption of healthy foods such as vegetables and whole grains. The researchers suggest that this shift may be more pronounced among certain populations, including women, black and Latino participants, and those who gained weight during the pandemic.

Popularity runs in families

A Rice University study, likened to the movie 'The Truman Show,' found that genetic variation plays a significant role in determining social positions within groups of cloned fruit flies. The researchers measured social interactions between identical clones in separate enclosures under different environmental conditions.

New connector for sustainable structures on Earth and in space

Romain van Wassenhove has created a sustainable bamboo connector that can be used to make modular structures out of sustainable materials. His invention is EU patent-protected and has been published in Composite Structures, a leading journal for composite materials and their applications.

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.

40 years on: Discrimination still linked with HIV and AIDS

A new study by Flinders University researchers found that people living with HIV/AIDS face significant discrimination in their families, communities, and even among healthcare providers. This stigma can lead to concealment of the condition, self-isolation, and poor access to healthcare services.

How a Vietnamese raw pork snack could help us keep food fresh, naturally

Researchers at RMIT University have discovered a bacteria-killing compound in Nem Chua that can destroy more dangerous bacteria, potentially leading to a safe and all-natural food preservative. The compound is effective against a wide range of bacteria, including those that cause life-threatening diseases like Listeria.

Apple iPhone 17 Pro

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

Societal divisions could hinder EU climate policy

A new study by Silvia Weko reveals that political ideology plays a larger role than party preferences in shaping attitudes towards climate policy among Europeans. Cosmopolitan attitudes are more positive towards climate action, while communitarian minds are more concerned with energy security and economic development.

An 'atlas' of the brain's choroid plexus across the lifespan

A new resource provides a cellular and spatial map of the choroid plexus, revealing its constituent cell types, gene expression profiles, and molecular makeup. The atlas shows differences in tissue architecture, immune activity, and vascular arrangement across different life stages, offering insights into brain development and immunity.

Smartphone use associated with unhealthy eating and overweight in teens

A study of over 53,000 Korean adolescents found that moderate smartphone use is associated with unhealthy eating behaviors, including a higher intake of junk food and fewer fruits and vegetables. Teens who spent more than 3 hours per day on their phone were significantly more likely to be overweight or obese.

Monash researchers make fundamental advance in understanding T cell immunity

Researchers from Monash University have made a fundamental advance in understanding how T cells become activated when encountering pathogens. The study found that T cells need to recognize pathogens in a particular orientation to receive a strong activating signal, revealing a critical mechanism for effective T cell immunity.

Celestron NexStar 8SE Computerized Telescope

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

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.

Bioinspired acid-catalyzed C2 prenylation of indole derivatives

A bioinspired approach to C2 prenylation of indoles has been developed, enabling the regioselective synthesis of tryptophol and tryptamine derivatives. The method uses cheap tert-prenol as a precursor and Lewis acid AlCl3 as a catalyst, demonstrating high selectivity.

Experiment evaluates the effect of human decisions on climate reconstructions

The study reveals that researchers' subjective decisions can lead to variations in climate reconstruction outcomes. The experiment showed notable differences in amplitude and sensitivity among multiple reconstructions using the same raw data. To improve reliability, teams are advised to create ensemble reconstructions.

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.

Researchers want to convert rapeseed proteins from feed to food

A new research project SEEDFOOD aims to create fundamental knowledge on using rapeseed proteins for human consumption. The researchers will investigate how to process the proteins to achieve optimal functionality in food, including taste and nutritional value, while developing gentle methods to avoid damaging the proteins.

COVID-19 as systemic disease: What does that mean for kidneys?

Researchers found COVID-19 causes a wide range of organs, including the kidneys, resulting in acute kidney injury (AKI) with significant mortality rates. Studies showed viruses were directly detected in kidneys of deceased patients, correlating with age and comorbidities.

'Surfing' particles: Physicists solve a mystery surrounding aurora borealis

A team of scientists from UCLA and other institutions has confirmed the interaction between electrons and Alfvén waves, shedding light on the origin of the aurora borealis. The experiment replicated conditions in Earth's auroral magnetosphere, revealing that electrons undergo resonant acceleration by the Alfvén wave's electric field.

Fluke 87V Industrial Digital Multimeter

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

Bird collisions and urban light pollution

Bird collisions in Chicago are significantly correlated with high-intensity local migration, decreased moon illumination, and increased offshore winds. Minimizing building lighting at night may reduce collision rates among nocturnally migrating birds, according to a study by Benjamin Van Doren et al.

Meet Australia's largest dinosaur -- Australotitan, the southern titan!

Australotitan, the southern titan, is Australia's largest dinosaur, reaching heights of 5-6.5 meters and lengths of 25-30 meters. The fossilised skeleton was discovered in Eromanga, southwest Queensland, and its scientific description marks a 17-year-long collaboration between Queensland Museum and Eromanga Natural History Museum.

When the economy goes down, so does the quality of our diets

A new study suggests that economic recessions lead to a decline in dietary quality, particularly in food-insecure households. The research analyzed data from over 60,000 adults and children in the US during the Great Recession and found significant reductions in nutrient-dense foods.

A quantum step to a heat switch with no moving parts

Researchers discovered a new electronic property in a specially engineered metal alloy, enabling the manipulation of heat with a magnetic 'switch'. The material, called Weyl semimetal, exhibits unusual electron behavior, generating and absorbing heat to create an energy pump.

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.

Sugar overload may be a recipe for long-term problems

A new study suggests that consuming high amounts of sugar from childhood can lead to significant weight gain, persistent hyperactivity, and learning impairments. Reducing sugar intake has been shown to prevent these issues, supporting World Health Organization recommendations.

Tiny particles power chemical reactions

Researchers at MIT have discovered a new way of generating electricity using tiny carbon particles that can create a current simply by interacting with liquid surrounding them. This technology allows for electrochemistry without wires, enabling applications such as powering micro- or nanoscale robots and driving chemical reactions.

Physicists report definitive evidence how auroras are created

Researchers have identified Alfven waves as the primary cause of the most brilliant auroras. These waves accelerate electrons toward Earth, producing atmospheric light show, through a process known as Landau damping. The study, conducted at the Large Plasma Device, confirms decades-long quest to demonstrate experimentally the physical ...

NIH grant boosts computational search for cancer drugs

A new approach to model and analyze protein-ligand interactions in cancer research is being developed through a $1.2 million NIH grant. Researchers will use the proteomics toolkit PROTEAN-CR to understand key biological mechanisms of cancer and suggest novel cancer therapies.

Most Americans are not getting enough fiber in our diets

Only 5% of men and 9% of women meet daily fiber recommendations, associated with higher risks of heart disease and diabetes. Higher dietary fiber intake is strongly linked to reduced markers for heart and kidney disease in adults with diabetes.

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.

Lighting up ultrafast magnetism in a metal oxide

Researchers suppressed magnetic order across a material for several picoseconds using ultrafast laser pulses. The study reveals how magnetic interactions are suppressed not just locally but everywhere, with the goal of understanding magnetism control for applications like data storage and superconductivity.

Protein identified as new therapeutic anti-viral target for COVID-19

Researchers have identified a novel interaction between the SARS-CoV-2 spike protein and galectin-3-binding protein (LGALS3BP), which could be a new therapeutic anti-viral target. The presence of detectable viral RNA in blood is strongly associated with increased risk of severe illness.

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.

From farm to plate: Where do global consumer dollars flow?

A team of researchers developed a new method to analyze global food value chains, revealing that farmers receive only 27% of consumer expenditure on foods consumed at home. The study found that the majority of value is created in post-farmgate activities, such as processing and manufacturing.

Evolutional history of metal chalcogenide supertetrahedral clusters

Research on metal chalcogenide supertetrahedral clusters has explored their composition-structure-property relationships, functionality, and applications. The evolution of MCSCs has led to the development of new frameworks, discretization in superlattices, and site-dependent properties.

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.

COVID-19: Long-term consequences for the kidneys can be expected

Studies have shown that COVID-19-associated nephritis can predict disease severity and mortality, while early signs of kidney involvement are associated with worse outcomes. Chronic kidney disease is a risk for some patients, particularly those who experience acute kidney injury (AKI), which may not recover fully.

Virginia Tech to advance brain, cancer research with focused ultrasound

Researchers at Fralin Biomedical Research Institute will advance noninvasive brain and cancer treatments with the new MRI-guided focused ultrasound facility. The technology, already used to treat movement disorders and solid tumors, aims to deliver precise energy to alleviate symptoms associated with neurodegenerative disorders.

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.

New drug to halt dementia after multiple head injuries

A new international study has identified a drug that can halt the progression of chronic traumatic encephalopathy (CTE) in sportspeople who sustain repeated head injuries. The treatment was successfully tested in animal models and shows promise for preventing neurological problems associated with CTE, which affects cognition and behavior.

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.

How coronavirus aerosols travel through our lungs

A new study from the University of Technology Sydney models how coronavirus aerosols travel through our lungs, revealing that more than 65% of particles reach the deepest region where damage can occur. The research also shows that the right lung is more affected by virus deposition due to its asymmetrical anatomy.

Meta Quest 3 512GB

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

Plants get a faster start to their day than we think

Researchers found that plants exhibit a rapid burst of gene activity within an hour of dawn, with three distinct waves. This inner circadian clock helps plants prepare for the day, and scientists identified key regulators of light signaling, including HY5 and BBX31.