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Science News Archive May 2021 - Page 26


Page 26 of 47

Sensors developed at URI can identify threats at the molecular level

Researchers have developed sensors that can detect explosive materials, particles from deadly viruses, and illegal drugs at the part-per-quadrillion level. The technology has a wide range of applications, including monitoring wounds in soldiers and detecting roadside IEDs.

SourceUniversity of Rhode Island·JournalNature·DateMay 14, 2021
Apple iPhone 17 Pro

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

Hanging by a thread: Imaging and probing chains of single atoms

Scientists at Japan Advanced Institute of Science and Technology create novel technique to probe monoatomic chain bonds using transmission electron microscopy and quartz length-extension resonator. They successfully measure the strength of individual Pt bonds and observe the formation and breaking of monoatomic Pt chains in real-time.

SourceJapan Advanced Institute of Science and Technology·JournalNano Letters·DateMay 14, 2021

Ecology-inspired mathematical models to understand social networks

The study adapts mathematical models from ecology to understand Twitter's interaction patterns. The researchers identified two primary behaviour patterns: a modular state with fragmented attention and a nested state during exceptional events.

SourceUniversitat Oberta de Catalunya (UOC)·JournalNature Communications·DateMay 14, 2021

Mammals can use their intestines to breathe

Researchers have found that rodents and pigs can survive with the help of oxygen administered through their rectum. A liquid-based alternative has also been developed, which reversed symptoms in both models without producing side effects.

SourceCell Press·JournalMed·DateMay 14, 2021
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.

Which animals will survive climate change?

Researchers from McGill University studied threespine stickleback fish adapting to seasonal changes, finding genetic shifts that mirror past adaptations. The study's findings suggest predicting evolutionary future of populations under environmental stressors like climate change.

SourceMcGill University·JournalMolecular Ecology·DateMay 14, 2021

Researchers develop 3D-printed jelly

North Carolina State University researchers have created a new type of 3D-printable gel called homocomposite hydrogel, composed of alginates found in seaweed. The gel has remarkable strength and flexibility, making it suitable for biomedical applications such as growing cells and wound dressings.

SourceNorth Carolina State University·JournalNature Communications·DateMay 14, 2021

Male hormones regulate stomach inflammation in mice

Scientists found that male sex hormones prevent stomach inflammation by suppressing immune cells, while females lack this protection. The study suggests treating males with stomach inflammation differently than females.

SourceNIH/National Institute of Environmental Health Sciences·JournalGASTROENTEROLOGY·DateMay 14, 2021
Celestron NexStar 8SE Computerized Telescope

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

Terpen-tales: The mystery behind the unique fragrance of the lovely lavender

A team of scientists from China has sequenced the genome of Lavandula angustifolia to understand the genetics behind its distinctive fragrance. The study revealed that gene duplications and terpenoid diversification led to the evolution of unique compounds, with potential applications in stress relief, skin conditioning, and pollination.

SourceNanjing Agricultural University The Academy of Science·JournalHorticulture Research·DateMay 14, 2021

New perspective on stress pandemics and human resilience from the analysis of COVID-19

A new study reveals the importance of nutrition in maintaining redox balance and coping with viral infections. The endothelium's regulatory function is also crucial in protecting blood cells from damage, while gasotransmitters play a key role in sensing environmental changes. These findings may inform future therapeutic approaches.

SourceUniversity of Southampton·JournalAntioxidants and Redox Signaling·DateMay 14, 2021

Research reveals negative effects of hotel app adoption on customer spending

A new study by University of Maryland researchers found that downloading a major hotel chain's app has a significant and negative impact on customer spending. Lower-level loyalty customers are more likely to shop around for better rates after downloading the app, decreasing their share of wallet.

SourceUniversity of Maryland·JournalJournal of Marketing Research·DateMay 13, 2021
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.

Rice engineers set sights on implantable 'living pharmacy'

Researchers at Rice University are part of a $33 million national effort to create an implant that produces therapeutic biomolecules to regulate sleep cycles. The device aims to halve the time it takes to recover from jet lag and similar disruptions, benefiting military personnel, first responders, and shift workers.

SourceRice University·DateMay 13, 2021

Neurons in brain's "zona incerta" drive curiosity in mice

A subpopulation of neurons in the zona incerta drives investigatory and novelty-seeking behavior in mice. The discovery sheds light on a previously unknown brain circuit underlying innate curiosity.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateMay 13, 2021

Using micro-sized cut metal wires, Japanese team forges path to new uses for terahertz waves

Researchers successfully tested a reflectionless, highly refractive index metasurface made of micro-sized cut metal wires for use in terahertz waveband applications. The metasurface has a high refractive index and low reflection at 3.0 THz, enabling potential uses in 6G wireless communications and other commercial applications.

SourceTokyo University of Agriculture and Technology·JournalOptics Express·DateMay 13, 2021

High genomic diversity is good news for California condor

A new analysis of the California condor's complete genome reveals a wealth of genetic diversity, which can aid in its long-term survival. The study found that the species' historical abundance contributed to its high genetic diversity, making it less susceptible to inbreeding and disease.

SourceUniversity of California - Berkeley·JournalCurrent Biology·DateMay 13, 2021
Fluke 87V Industrial Digital Multimeter

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

Brain mechanism of curiosity unraveled

Scientists from the Netherlands Institute for Neuroscience have discovered a new brain circuit underlying curiosity and novelty seeking behavior. By studying mice with freedom to choose, they found that specific neurons were more active during deep investigation compared to shallow investigation.

SourceNetherlands Institute for Neuroscience - KNAW·JournalScience·DateMay 13, 2021

Adolescents and older adults lack attention in social situations

Researchers found that adolescents and older adults pay less attention to social cues than young adults, leading to impaired social interaction. This can result in isolation, loneliness, and poor health, particularly during adolescence and older adulthood.

SourceUniversity of Kent·JournalNature Human Behaviour·DateMay 13, 2021

After the rains return, watersheds may not always recover from drought

A new study found that over a third of Australian watersheds had not recovered from the Millennium Drought seven years later. The findings suggest that hydrological droughts can persist indefinitely, highlighting challenges to sustainable water use under climate change.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateMay 13, 2021
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.

Causes of concrete and asphalt deterioration explained

The presence of trace quantities of organic matter in modern concrete structures and asphalt pavements accelerates their deterioration. Key findings include the identification of phthalates, diesel exhaust particulates, surfactants, and windshield washer fluids as major contributors to deterioration.

SourceHokkaido University·JournalPLOS ONE·DateMay 13, 2021

Many do not recognise animal agriculture's link to infectious diseases

A new study found that people blame wild animal trade or government preparation for epidemic outbreaks instead of animal agriculture and global meat consumption. The research highlights the critical need to understand the causes and risks posed by animal agriculture in preventing future pandemics and zoonotic diseases.

SourceUniversity of Kent·JournalAppetite·DateMay 13, 2021
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.

Cancer has ripple effect on distant tissues

A new study in zebrafish reveals that tumors can alter the metabolism of healthy tissues, which could lead to new cancer treatments. The research found that melanoma consumes more glucose than other tissues, but surprisingly, this has no impact on circulating glucose levels.

SourceWashington University in St. Louis·JournalCell Metabolism·DateMay 13, 2021

TGen-led study of 70,000 individuals links dementia to smoking and cardiovascular disease

A TGen-led study of 70,000 individuals found that both smoking and cardiovascular disease impair verbal learning and memory in adulthood, with sex differences observed. The study suggests that quitting smoking can improve brain function and maintaining cardiovascular health is crucial for preventing cognitive decline.

SourceThe Translational Genomics Research Institute·JournalScientific Reports·DateMay 13, 2021

Ozone in air pollution is linked to fibroid development in Black women

A study published in Human Reproduction found a link between ozone in air pollution and an increased risk of developing fibroids among Black American women. Higher levels of ozone were associated with a 35% increased risk of fibroids, particularly among younger women and those who had been pregnant.

SourceEuropean Society of Human Reproduction and Embryology·JournalHuman Reproduction·DateMay 13, 2021
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.

Victoria's watch catchments may not recover from drought: Study

A new study from Monash University finds that some Victoria water catchments still behave like they're in a drought even after nearly eight years without rain. The research, published in Science, challenges the common view that rivers and underground water supplies eventually replenish following periods of severe drought or flood.

SourceMonash University·JournalScience·DateMay 13, 2021

Pregnant Aussie mums denied nausea and vomiting medications

A new study found that one in four pregnant women were denied medication for severe nausea and vomiting, with over-the-counter doxylamine being a common issue. Healthcare providers' lack of awareness about clinical guidelines and misinterpretation of medication labels contribute to these denials.

SourceFlinders University·JournalAustralian and New Zealand Journal of Obstetrics and Gynaecology·DateMay 13, 2021

Nanophotonics enhanced coverslip for phase imaging in biology

A team of researchers has created a nanostructured microscope coverslip that allows high-contrast pseudo 3D images of unstained biological cells to be obtained. This breakthrough method enables the visualization of cell shape and nucleus details, crucial for disease detection.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·DateMay 13, 2021

Current trend reversed

Researchers demonstrate controlled reversal of thermoelectric current in a tiny cloud of atoms by tuning interaction strength. This breakthrough advances the fundamental understanding of interacting quantum systems and paves the way for designing efficient thermoelectric materials.

SourceETH Zurich Department of Physics·JournalPhysical Review X·DateMay 13, 2021

Call for "paradigm shift" to fight airborne spread of COVID-19 indoors

A group of researchers from 14 countries is urging a universal recognition of the need to control airborne pathogens in buildings. The experts recommend improved ventilation systems, including higher airflow rates, filtration, and disinfection, as well as real-time monitors to track indoor air quality.

SourceQueensland University of Technology·JournalScience·DateMay 13, 2021
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.

Scientists identify source of weight gain from antipsychotics

Researchers discovered that a gene called melanocortin 4 (Mc4r) plays a key role in weight gain associated with risperidone. A new drug approved for genetic obesity treatment, when combined with risperidone, prevents weight gain while maintaining therapeutic effect.

SourceUT Southwestern Medical Center·JournalJournal of Experimental Medicine·DateMay 13, 2021

Scientists invent a method for predicting solar radio flux for two years ahead

Researchers developed a method called RESONANCE to predict solar radio flux activity for 1-24 months, improving satellite orbit specification and re-entry predictions. The technique uses state-of-the-art physics-based models and advanced data assimilation methods.

SourceSkolkovo Institute of Science and Technology (Skoltech)·JournalThe Astrophysical Journal Supplement Series·DateMay 13, 2021
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.

Politically polarized brains share an intolerance of uncertainty

A recent study at Brown University found that intolerance to uncertainty exacerbates polarization in both liberals and conservatives. The researchers measured brain activity while participants watched real political debates and news broadcasts, finding that neural responses diverged between individuals with different ideological beliefs.

SourceBrown University·JournalProceedings of the National Academy of Sciences·DateMay 13, 2021

Non-linear optics meets X-rays

Scientists have developed a method to shape soft X-ray pulses with high precision, using self-phase modulation in the X-ray regime. This technique has the potential to unlock new protocols for femtosecond core electrons spectroscopies.

SourceLight Publishing Center, Changchun Institute of Optics, Fine Mechanics And Physics, CAS·DateMay 13, 2021

Study: Obesity slows progress against cancer deaths

Researchers found that obesity-related cancer deaths improved at a slower rate than non-obesity related cancer deaths, with declines of 2.29% and .83%, respectively. Obesity contributes to both cancer risk and heart disease risk, but the study suggests that maintaining a healthy weight can improve overall health.

SourceUniversity of North Carolina at Chapel Hill·JournalJAMA Network Open·DateMay 13, 2021
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.

A unique vertical farm can produce 10 times more seed potatoes a year

A Russian team has created a groundbreaking vertical farm that can produce high-value crops like seed potatoes on an industrial scale. The innovative facility utilizes state-of-the-art technology, including dynamic LED lighting and automated irrigation systems, to achieve six harvests per year and increase productivity by tenfold.

SourceFederal Research Centre «Fundamentals of Biotechnology» of the Russian Academy of Science·JournalVestnik OrelGAU·DateMay 13, 2021

Letter from scientists: Investigate the origins of COVID-19

Scientists call for transparent and inclusive COVID-19 origin investigation to inform global strategies. The joint China-World Health Organization report's findings were deemed insufficient by WHO Director-General Tedros Ghebreyesus.

SourceAmerican Association for the Advancement of Science (AAAS)·JournalScience·DateMay 13, 2021

Market report: Rising stock wealth does boost spending, employment

A new study by MIT economists Gabriel Chodorow-Reich, Plamen T. Nenov, and Alp Simsek reveals that increased stock market wealth has moderate but clear economic effects. After analyzing data from the US on a county-by-county basis, they found that people spend about 3.2 cents per year out of each increased dollar of stock wealth they p...

SourceMassachusetts Institute of Technology·JournalAmerican Economic Review·DateMay 13, 2021

Ion-selective smart porous membranes

Researchers created a responsive porous SiO2 thin film with an extremely thin thickness of 8nm, controlling surface charge and selective ion permeation in response to pH changes.

SourceTohoku University·JournalLangmuir·DateMay 13, 2021
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.

Gender differences in physician use of social media for professional advancement

A survey study found that male and female physicians differ in their social media use for professional advancement, with female physicians reporting greater career benefits. The study suggests that these differences may be attributed to varying levels of comfort and confidence in using social media to promote themselves professionally.

SourceJAMA Network·JournalJAMA Network Open·DateMay 13, 2021

COVID-19 vaccines in patients with cancer

A new study examines the safety of COVID-19 vaccines in patients with cancer, providing insights into potential risks and benefits. The research found that while some cancer treatments may interact with COVID-19 vaccines, the overall risk is low.

SourceJAMA Network·JournalJAMA Oncology·DateMay 13, 2021
Meta Quest 3 512GB

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

Treating the COVID-19 'infodemic' as an epidemic

Researchers recommend surveillance, accurate diagnosis, and rapid response to counteract COVID-19 misinformation and disinformation. They also introduce a taxonomy of categories for different types of misinformation related to Covid-19 and vaccination.

SourceAnnenberg Public Policy Center of the University of Pennsylvania·JournalNew England Journal of Medicine·DateMay 13, 2021