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Science News Archive August 2021


Page 8 of 38

It’s not just SARS-CoV-2: Most respiratory viruses spread by aerosols

A comprehensive review finds that many respiratory viruses, including SARS-CoV-2, influenza, and measles, can spread through airborne transmission via aerosols. The study's findings suggest that indoor air quality and ventilation play a crucial role in reducing the transmission of infectious virus-laden aerosols.

The Daylight Award 2022 is open for nominations

The Daylight Award 2022 is now open for nominations, honoring groundbreaking research on the effects of daylight on human health and well-being. The award also recognizes innovative architectural projects showcasing unique uses of daylight, aiming to improve living conditions and environmental impact.

Apple iPhone 17 Pro

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

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.

New research shows men and women of Roman Herculaneum had different diets

Researchers at the University of York have found significant differences in the diets of men and women living in Roman Herculaneum. Males consumed a higher proportion of protein from seafood, while females ate more locally grown fruits and vegetables. This new approach to analyzing amino acids provides a unique insight into ancient diets.

Celestron NexStar 8SE Computerized Telescope

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

How the first roots developed more than 400 million years ago

Researchers reconstructed the oldest known form of roots in a 407-million-year-old plant fossil, revealing a complex branching system that differed from modern plants. This discovery provides insight into the evolution of early land plants and their impact on the environment.

USTC improves anyonic photonic quantum simulation

Researchers from USTC demonstrate the quantum statistics and contextuality of parafermion zero modes using a multi-mode Mach-Zehnder interferometer. The fidelity of the braiding operation reaches 93.4%, enabling a fault-tolerant quantum gate.

Creation of the most perfect graphene

A team of researchers at the Institute for Basic Science has developed a method to produce large-area, single-crystal graphene with no wrinkles or adlayers. This breakthrough enables the creation of high-performance devices oriented in any direction over the entire graphene film.

Will it be safe for humans to fly to Mars?

An international team of space scientists finds that humans can travel to and from Mars safely if the spacecraft has sufficient shielding. The round trip should be shorter than four years. Scientists also recommend timing the mission during solar maximum to shield astronauts and the spacecraft from radiation.

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.

Secrets of COVID-19 transmission revealed in turbulent puffs

Researchers developed a new model to study turbulent puffs, revealing the impact of temperature and humidity on turbulence. The findings suggest that buoyancy plays a significant role in shaping the behavior of tiny fluctuations within the puff, which can affect the movement of airborne droplets.

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.

Increase in registration of dementia as a cause of death

A new study published in Journal of Alzheimer’s Disease found that dementia-related deaths have increased over the past 20 years, becoming the most common cause of death among people diagnosed with dementia. The growth may reflect improved diagnostic rates and a greater understanding of dementia as a fatal disease.

Biophotonic probes for bio-detection and imaging

Biophotonic probes utilize biological entities for sensitive detection of biological signals and precise imaging of cellular structures. Optical waveguides play a crucial role in transporting light into deep tissues, while biolenses enable noninvasive screening tools for blood-related disorders.

Despite concerns, pandemic did not increase suicidal thoughts in veterans

A recent study published in JAMA Psychiatry found that the number of veterans who reported contemplating suicide during the pandemic decreased relative to pre-pandemic levels. The study also revealed a significant decline in suicide attempts among US military veterans, with only 0.3% reporting attempts during the pandemic.

US medical schools are not addressing LGBTQ health disparities well

A study found that 80% of US medical schools do not collect sexual orientation information during admissions, making it difficult to identify and address health disparities. Researchers advocate for updated data collection practices to ensure more inclusive training and support for LGBTQ students and physicians.

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.

Underlying instincts: An appetite for survival

Researchers discovered a signaling system in C. elegans that redirects behavior when food is scarce, highlighting a molecular mechanism for flexible instinctive responses. This finding sheds light on how animals detect and integrate sensory cues for adaptive behavioral decisions.

Pregnant women with COVID-19 face higher risk of pre-eclampsia, study shows

A review of scientific literature found pregnant women infected by SARS-CoV-2 have a higher risk of developing pre-eclampsia due to reduced ACE2 availability. ACE2 plays a crucial role in placental development, blood pressure control, and fetal development, making its impairment more susceptible to serious complications.

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.

Robot mimics the powerful punch of the mantis shrimp

Scientists develop robotic model of mantis shrimp strike, revealing geometric latching process behind ultra-fast movements. The device accelerates to 26 meters per second, equivalent to a car reaching 58 mph in four milliseconds.

Confiscated fossil turns out to be exceptional flying reptile from Brazil

A well-preserved tapejarid skeleton from Brazil provides the first complete look at the entire body of Tupandactylus navigans, a flying reptile with a mix of terrestrial and aerial adaptations. The fossil's exceptional preservation reveals new details about its anatomy and potential flight capabilities.

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.

What should an ideal refugee protection system look like?

The PROTECT project aims to improve global refugee protection by examining the potential of Compacts and their impact on states' ability to fulfill Refugee Convention objectives. The study proposes solutions to address current challenges in international refugee governance.

Cellular agriculture development has potential to change food industry, society

A new study assesses the potential trajectories of cellular agriculture, a technology that grows cultured meat, dairy, and egg products from animal cells and yeast. The research highlights the need for increased public investments in open-source research and education to ensure a just and equitable development of the sector.

Engineering new cell functionalities on thin films

Researchers at IMB and JGU developed a method to engineer new cell functionalities by creating film-like organelles that can subdivide cell processes into smaller spaces. This allows for the creation of multiple proteins with unique functions in different areas of the cell.

Researchers identify brain circuitry that motivates mating in mice

Researchers at Beth Israel Deaconess Medical Center identified the precise hypothalamic neurons that regulate mating behaviors in mice. The study suggests a general principle about the neurobiology of motivation and sets the stage for developing targeted therapies to offset sexual side effects linked to antidepressants.

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.

LED streetlights reduce insect populations by 50%

A new study found that LED streetlights have a detrimental impact on local insect populations, with moth caterpillar numbers being 52% lower under LED lighting than in unlit areas. The study suggests that this is due to female moths laying fewer eggs in habitats illuminated by streetlights.

Physicists make laser beams visible in vacuum

Researchers at the University of Bonn developed a method to visualize laser beams in a vacuum, allowing for precise alignment of individual atoms. This breakthrough enables faster and more accurate quantum optics experiments, potentially leading to advancements in computing and materials science.

Prediction of organ transplant rejection using artificial blood vessels

The development of artificial blood vessels using a simple process has enabled the simulation of human blood circulation and blood coagulation, reducing the duration of experiments. This breakthrough has demonstrated the potential of genetically modified pig organs to be used in xenotransplantation with low immune rejection levels.

Meta Quest 3 512GB

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

Tele-psychiatry a resounding success in 5-year trial

A five-year telepsychiatry trial found significant improvements in rural patients' access to care, mental health symptoms, and quality of life. The study treated over 1,000 patients with bipolar disorder and/or PTSD, often underserved by traditional mental health services.

Double-bowl state in photonic Dirac nodal line semimetal

Scientists have discovered a photonic realization of type-II Dirac nodal line semimetal with ring-shaped four-fold band degeneracy. The material exhibits a double-bowl state comprising two sets of almost degenerate perpendicularly polarized surface states, which is distinct from other photonic systems.

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.

Brain organoids mimic head size changes associated with type of autism

Researchers have created brain organoids from people with 16p11.2 genomic variations, which exhibit differences in brain size seen in individuals with autism spectrum disorder. The study revealed new information about molecular mechanisms that malfunction when this region is disrupted, providing opportunities for therapeutic intervention.

Novel AlN tunneling layer boost the graphene heterojunction photodetection

A novel engineered tunneling layer with enhanced impact ionization improves detection capabilities in graphene/insulator/silicon heterostructure photodetectors. The technique achieves a champion responsivity of ~1.03 AW-1 at a reverse bias of -10 V, showing great potential applications in sensing and communications.

Rigol DP832 Triple-Output Bench Power Supply

Rigol DP832 Triple-Output Bench Power Supply powers sensors, microcontrollers, and test circuits with programmable rails and stable outputs.

A game changer: Virtual reality reduces pain and anxiety in children

A study at Children's Hospital Los Angeles shows that virtual reality can decrease pain and anxiety in children undergoing intravenous catheter placement. The technology works by shifting focus and preventing pain from being registered, leading to a more positive experience for patients, caregivers, and healthcare providers.

Subha Das to present on innovative class teaching automated science

The class utilizes the Emerald Cloud Lab, an automated science facility, allowing students to replicate experiments with nucleic acids and understand concepts of a cloud lab. This approach reduces error and increases reproducibility compared to traditional laboratory settings.

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.

Photonic-dispersion neural networks for inverse scattering problems

Researchers developed a high-throughput Fourier-optics-based angle-resolved imaging spectroscopy system with robust neural network-based algorithms to solve inverse scattering problems. The system achieved a strong linear correlation between the reconstructed geometric parameters and atomic force microscopy measurements.