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Science News Archive 2021


Page 187 of 510

Running quantum software on a classical computer

EPFL professor Giuseppe Carleo and graduate student Matija Medvidović have developed a method to simulate the behavior of variational quantum algorithms on classical computers. This approach uses machine-learning tools to emulate the inner workings of a quantum computer, setting a new benchmark for future development of quantum hardware.

Apple iPhone 17 Pro

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

Fat ‘shield’ protects immune cells—and some cancers—from destruction

A newly discovered fat 'shield' protects natural killer cells from their own deadly biological weapons, but also allows some cancer cells to evade an immune system attack. The shield is made of lipids and reinforces the cell membrane before an attack, preventing the toxic substances from penetrating the membrane.

How landscapes of fear affect the songbirds in our backyards

A new study published in Ecosphere suggests that fear plays a significant role in underdeveloped nestlings and increased vulnerability among urban songbirds. Urban landscapes can have a profound effect on birds' behavior, causing them to change their behavior to avoid perceived predators, leading to reduced weight and survival rates.

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.

Reducing COVID-19 risk during dentist appointments

New research found that using electric drills instead of air-driven drills reduces aerosol spray by 99.98%, creating a safer environment for patients and dental teams. This could lead to a significant increase in treatments carried out, addressing the growing backlog of patients waiting for dental care.

Parker receives funding for internship program

Audra Parker, a George Mason University Associate Professor, has received $14,760 in funding from Loudoun County Public Schools to support the university's Elementary Professional Development School Internship Program.

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 articles for Geosphere posted online in July

The latest additions to the Geosphere journal feature groundbreaking research on diffuse spreading in the Mariana Trough, revealing a new mode of crustal accretion. Another study investigates the postglacial slip distribution along the Teton normal fault in Wyoming, USA, highlighting the impact of unloading on the fault's behavior. Mea...

COVID-19 not linked to increased preterm births or stillbirths

A large study of over 2.4 million births in Ontario found no increases in preterm births or stillbirths during the first year of the COVID-19 pandemic. Researchers analyzed data from an 18-year period, including trends before and during the pandemic, to provide reassurance for pregnant women.

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.

How chemical reactions compute

Molecules react by following computation steps: input, transformation, output. Juan-Pérez Mercader's native chemical computation harnesses this power to build and assemble structures. It can tackle problems better suited for chemical reactions than supercomputers.

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.

Celestron NexStar 8SE Computerized Telescope

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

Giraffes are as socially complex as elephants, study finds

Researchers at the University of Bristol have found that giraffes exhibit highly complex social structures, comparable to those of elephants and killer-whales. The presence of post-reproductive adult females offers survival benefits for related offspring, supporting cooperative parenting and shared care within matrilineal societies.

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.

Getting smart about off-grid desalination

A new technology developed at KAUST uses waste heat from solar cells to desalinate seawater, improving efficiency by up to 8% while reducing solar cell temperature. The device features a gravity-driven system and a special fabric that wicks away solid salts and minerals.

New GSA bulletin articles published ahead of print in June

Researchers investigated GPS measurements in Tibet, revealing eastward transport and clockwise rotation of crust. They also explored ancient tectonic phenomena, including the breakup of Gondwana and the generation of the Neo-Tethys Ocean. High-resolution cyclostratigraphy was used to study the Keeler Basin in California.

AmScope B120C-5M Compound Microscope

AmScope B120C-5M Compound Microscope supports teaching labs and QA checks with LED illumination, mechanical stage, and included 5MP camera.

The creation of abstract thoughts in the brain

A team of researchers found that when people use mental abstractions, the brain area that signals valuable information becomes highly active. This discovery could lead to new advances in basic research, education, rehabilitation, and artificial intelligence.

Researchers envision better health interventions for men who have sex with men

A scoping review by VCU School of Medicine researchers found that ecological momentary assessment (EMA) is a promising approach for supporting the health needs of MSM, with high rates of acceptance and feasibility. The study identified gaps in current research designs and emphasized the need for evidence-based best practices in EMA met...

EU project will develop, upscale and disseminate soil healing strategies

The EU project TUdi aims to develop and disseminate soil healing strategies in three major agricultural systems across Europe, China, and New Zealand. By adopting healthy and productive agricultural ecosystems, the project hopes to achieve significant improvements in food security and reduce environmental degradation.

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.

The graveyard never lies

A recent study published in eLife journal analyzed mortality data from 103 countries to determine the true rate of COVID-19 deaths. The researchers found significant underreporting of pandemic deaths, with some nations reporting 2-50 times higher excess deaths than official numbers.

CHEST releases new guidelines for antithrombotic therapy for VTE disease

The American College of Chest Physicians has released new clinical guidelines for venous thromboembolism (VTE) management, providing 29 recommendations on patient care and treatment. The guidelines update previous recommendations and offer strong guidance for clinicians managing patients with VTE.

Connective issue: AI learns by doing more with less

A new study from Washington University in St. Louis shows that guided by sparsity, silicon neurons learn to pick the most energy-efficient perturbations and wave patterns, enabling an emergent phenomenon of efficient communication between neurons. This research has significant implications for designing neuromorphic AI systems.

Meta Quest 3 512GB

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

Can East Asian monsoon enhancement induce global cooling?

A recent study found that the east Asian monsoon's northward advance induced globally significant silicate weathering, a major CO2 sink. The research suggests that weathering of the Mg-rich Yangtze craton and surrounding terranes played a crucial role in this process.

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.

Scientists discover ‘bulkheads’ between liver cells

Researchers at Skoltech have discovered structures called apical bulkheads in liver cells that are responsible for the narrow shape of bile canaliculi. The discovery reveals a key role for the Rab35 protein in regulating hepatocyte lumina formation and suggests potential avenues for medical applications in fatty liver disease and fibrosis

New viable means of storing information for quantum technologies?

Researchers have successfully demonstrated a new type of qubit that stores information in the oscillation amplitude of carbon nanotubes. This innovation has the potential to improve reliability in quantum computation by reducing interaction with the environment. However, experimental verification is still pending.

Artificial stomach reveals fluid dynamics of food digestion

Researchers built an artificial antrum to study the complex flow patterns and mechanical stresses in the stomach. The prototype revealed a classifying effect based on droplet breakup and transport phenomena, showing how lower stomach contraction waves classify foods.

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.

RegeneratOR Workforce Development receives NSF award

The Wake Forest Institute for Regenerative Medicine and local partners receive an NSF grant to develop a regional regenerative medicine educational network. The project aims to address the workforce needs of the rapidly evolving field, focusing on skilled technician development in biomanufacturing.

New study yields insights into chronic rejection after lung transplantation

Researchers identified protein patterns in lung tissue from patients with end-stage bronchiolitis obliterans syndrome, revealing an epithelial/mesenchymal imbalance and increased stiffness in remodeled airways. This breakthrough study may help develop therapies to improve long-term outcomes for lung transplantation patients.

More diversity for our farms and forks

Researchers from TUM discovered a toxin in the leafy vegetable Ebolo, which can cause liver damage. They successfully removed the toxin through breeding techniques, paving the way for safer consumption of this nutritious crop.

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.

Potential biomarker found for lung disease in scleroderma patients

Researchers discovered a protein called CTRP9 associated with pulmonary function in scleroderma patients with interstitial lung disease. Patients with higher CTRP9 levels developed more severe lung disease, while low levels were linked to preserved function. The study suggests CTRP9 could help predict treatment needs for these patients.

Firearm safety, injury prevention strategies among california adults

A recent survey study in California adults reveals alarming rates of firearm injuries and highlights the importance of safe storage practices. The study also explores perceptions of safety among households with children, emphasizing the need for effective injury prevention strategies.