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Science News Archive 2021


Page 262 of 510

What happens in the brain when people make music together?

A team of neuroscientists discovered five key brain functions that enable social connection through music, including empathy circuits, oxytocin secretion, and dopamine release. Music can strengthen cohesion and mutual trust between people by signaling shared values.

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.

How cells measure themselves

Researchers found that cells regulate their own size by using DNA content as an internal scale. Cells with too little KRP4 delay DNA replication until they catch up, while those with too much dilute KRP4 to speed up the process. This mechanism keeps meristem cells within a narrow size range.

Researchers turned transparent calcite into artificial gold

Scientists at Tel Aviv University developed a nanotechnology that transforms transparent calcite into a sparkling gold-like particle. The new material can serve as a platform for innovative cancer treatments and offers a biofriendly delivery of optical resonances, enabling multifunctionality in biomedical systems.

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.

ACTG launches phase 1 combination HIV cure study

The AIDS Clinical Trials Group (ACTG) has launched A5386, a phase 1 HIV cure study assessing the safety and efficacy of N-803 in conjunction with broadly neutralizing antibodies. The study aims to evaluate the immune system's ability to control HIV reservoirs and virus rebound.

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.

Soot from heaters and traffic is not just a local problem

A study by the Leibniz Institute for Tropospheric Research found that soot particles from oil and wood heating systems as well as road traffic contribute significantly to air pollution in Europe. The researchers estimated that 48% of local soot emissions and 52% of long-distance soot emissions reached the measurement site.

Moral disgust has a 'bad taste'

A study found that witnessing moral transgressions can inhibit tongue movements, similar to tasting something unpleasant. This reaction may reflect an avoidance-defensive mechanism, adapting as a response to shared moral norms.

Cause, scope determined for deadly winter debris flow in Uttarakhand, India

A team of 53 scientists determined the deadly winter debris flow in Uttarakhand, India was caused by falling rock and glacier ice that melted on its descent. The study used satellite imagery, seismic records and eyewitness videos to produce computer models of the flow, shedding light on emerging hazards in the region.

Ion and lipid transporters specialize for their niche

Researchers have discovered that ion and lipid transporters have evolved distinct structural features to optimize the transport of their respective substrates. Crystal structures reveal a pump primed for dephosphorylation in Ca2+-ATPase, while a novel mechanism is uncovered in P4-ATPases, enabling efficient lipid flippase activity.

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.

Novel materials: Sound waves traveling backwards

Scientists have designed metamaterials that can produce rotons, quasiparticles that behave like free particles, without using quantum effects under normal conditions. These materials could enable the manipulation of sound waves in ways previously impossible, such as bouncing or redirecting them.

Could neutrophils be the secret to cancer's Achilles' heel?

Researchers identified neutrophil elastase as a major anti-cancer protein that activates cell death pathways specifically in cancer cells. This discovery may lead to the development of first-in-class medicines that target cancer cells while sparing healthy tissues.

Prostate cancer linked to obesity

Abdominal obesity is associated with an increased risk of developing aggressive prostate cancer, while general obesity does not show the same correlation. The research team recommends prioritizing studies on obesity exposure over a lifetime and further analysis of body fat distribution to better understand the risks.

Apple iPhone 17 Pro

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

New twist on DNA data storage lets users preview stored files

Researchers at North Carolina State University have developed a technique that allows users to preview stored DNA data files, such as image thumbnails. This innovation improves the efficiency and user experience of DNA data storage, enabling users to identify specific files without opening the entire file.

Active platinum species

Researchers investigated individual platinum atoms and small clusters on special zeolite supports, finding they are significantly more active than larger clusters in splitting oxygen. Platinum clusters also dominate CO oxidation, while individual atoms enable efficient methane combustion.

Headphones, earbuds impact younger generations' future audio health

The current research highlights the risk of noise-induced hearing loss among children and young adults due to prolonged exposure to high volumes from personal audio systems. The need for public health hearing conservation policies and education on safe volume levels is emphasized by experts.

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.

Butterflies and moths have difficulty adjusting to a rapidly changing climate

A recent study found that only 45% of moth and butterfly species can adjust to a changing climate by advancing their flight period or shifting their range further north. The remaining 55% have seen their populations decline due to insufficient habitats, making it essential to preserve biodiversity through high-quality habitats.

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.

Researchers' algorithm to make CRISPR gene editing more precise

Researchers have developed a new method to select efficient gRNA molecules for CRISPR-Cas9 gene editing, achieving high efficiency and precision. The algorithm uses deep learning and large datasets to predict the efficiency of gRNAs, promising improved outcomes in genetic disorders and biotechnology applications.

Could all your digital photos be stored as DNA?

Researchers at MIT have developed a technique to label and retrieve DNA data files from a large pool, enabling feasible DNA data storage. By encapsulating each file in a silica particle labeled with single-stranded DNA barcodes, they demonstrated accurate retrieval of individual images stored as DNA sequences.

Apple MacBook Pro 14-inch (M4 Pro)

Apple MacBook Pro 14-inch (M4 Pro) powers local ML workloads, large datasets, and multi-display analysis for field and lab teams.

New method makes generic polymers luminescent

Researchers have successfully developed a new method to give luminescent properties to generic polymers like polystyrene and polyethylene. The technique makes it possible to easily prepare luminescent polymers without complicated organic synthetic methods.

Noise and light pollution can change which birds visit our backyards

A new study found that birds across the continental US tend to avoid backyard feeders in louder areas, while even more species stay away when both light and noise pollution are present. Common bird species such as American goldfinches and cedar waxwings avoid areas with excessive noise.

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.

Calcified Tissue International announces top-cited papers

The journal honors the authors of its 10 most oft-cited 2019 papers with certificates of publishing excellence. The papers cover various topics in bone and musculoskeletal research, including muscle function, osteoporosis, and Paget's disease.

Saliva can be more effective than nasopharyngeal swabs for COVID-19 testing

A new protocol processing saliva samples with a bead mill homogenizer improves COVID-19 detection rate and eliminates challenges of nasopharyngeal testing, researchers report. Saliva testing is found to be more effective than nasopharyngeal swabs for COVID-19 detection in a study published in The Journal of Molecular Diagnostics.

When physics meets financial networks

Researchers apply statistical physics principles to analyze financial systems as complex networks, shedding light on early warning signals of crises and interbank linkages. Network theory reveals the impact of heterogeneity on risk propagation and systemic instability.

Meta Quest 3 512GB

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

Alcohol companies earned billions from underage drinking in 2016

A new study found that youth consumption accounted for $17.5 billion worth of alcohol sales in 2016, with three major companies responsible for nearly half of these sales. The research highlights a disconnect between the industry's advocacy for prevention and its own profits from underage drinking.

New family of atomic-thin electride materials discovered

Researchers at Yokohama National University have discovered a new family of atomic-thin electride materials, which could have potential applications in nanotechnologies. The newly discovered electrides are insulators, but unlike other insulators, they can be made conductive by adding or removing electrons.

Three factors may predict college students' loss of self-control, WVU study finds

A West Virginia University study found that college students' initial status of self-control is partly dependent on their willingness to try new things and their maternal attachment. Students who are less interested in trying new things and have a secure attachment to their mothers tend to maintain stable control throughout the year. C...

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.

Using machine learning to evaluate and discover theories of decision-making

Researchers used machine learning to test and improve long-stagnant theories of human decision-making by analyzing a large dataset of risky choices. The study found that deep neural networks could mimic human decisions with high accuracy, revealing underlying psychological properties of established behavioral theories.

Bacteria serves tasty solution to global plastic crisis

Scientists have discovered a novel way to convert post-consumer plastic into vanillin, a valuable industrial chemical. This breakthrough could boost the circular economy by turning harmful plastics into a carbon resource and promoting sustainability.

Celestron NexStar 8SE Computerized Telescope

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

COVID-19 vaccine hesitancy among patients with breast cancer

A survey study among women with breast cancer in Mexico found a high hesitancy rate toward COVID-19 vaccination due to concerns about vaccine safety and efficacy. The study highlights the need for healthcare providers to address these concerns and improve access to vaccination services for this vulnerable population.

Pinpointing how cancer cells turn aggressive

A team of scientists has developed a new method for tracing the lineage and gene expression patterns of metastatic cancer cells at the single-cell level. The researchers found that a spectrum of aggression exists in cancer cells, with some cells more likely to remain in place and others more likely to spread to other tissues.

Researchers use transoceanic fiber link for geophysical sensing

Scientists demonstrate a new technique to sense geophysical events using transoceanic fiber optic cables, offering potential for early warnings of tsunamis and earthquakes. The method measures tiny changes in polarization of transmitted light, enabling monitoring of previously inaccessible ocean depths.

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.

Future falls risk detected by a simple bone density scan

A study published in Atherosclerosis has found that the build-up of calcium in major blood vessels is linked to a 39% higher risk of serious falls in older women. The research used bone density scans to identify abdominal aortic calcification, which can be detected early on, and may help health professionals to prevent future falls.