Bluesky Facebook Reddit Email

Science News Archive October 2020


Page 7 of 47

Dartmouth engineering professor elected OSA fellow

Jifeng Liu, a professor at Dartmouth's Thayer School of Engineering, has been named an OSA fellow for his work on renewable energy and reducing energy consumption in information technology. His research focuses on advancing solar technologies that are less expensive and more efficient.

Acta Pharmaceutica Sinica B Volume 10, Issue 9 publishes

This issue of Acta Pharmaceutica Sinica B features three original research articles exploring novel mechanisms and treatments for various diseases, including cerebral ischemia-reperfusion injury, anti-atherosclerosis, and breast cancer. The articles discuss the potential benefits of IL-4 supplementation, berberine's gut-absorption-enha...

Apple iPhone 17 Pro

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

Geologists simulate soil conditions to help grow plants on Mars

Researchers developed artificial soil mixtures that mimic materials found on Mars, evaluating their fertility and potential for plant growth. The study found that Martian soils may be challenging to use due to textures and nutrient availability, but also identified potential solutions using Earth-based agricultural science.

Scientists map structure of potent antibody against coronavirus

Researchers have mapped the molecular structure of a potent COVID-19 antibody, CV30, which neutralizes the virus by interfering with its surface spikes and inducing critical pieces to break off. The antibody's unique shape allows it to overlap with the virus's target site on human cells, blunting its ability to infect.

Study shows how tiny compartments could have preceded cells

The study found that repetitive cycles of wet-dry conditions led to progressive evolution of polymer compartments, affecting molecule exchange and composition. This research sheds light on prebiotic Earth and has implications for designing electronics and drug delivery systems.

Researchers discover proton regulator of essential cancer microRNA

Scientists have discovered a new RNA-centric mechanism that regulates the creation of a crucial cancer microRNA. The findings reveal that environmental stimuli can activate a 'hidden' layer of regulation, enhancing the efficiency of miR-21 processing and potentially leading to disease.

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.

Cancer treatment without side effects?

Researchers at UCI and CHUV/UNIL have developed a new cancer treatment that uses ultra-high dose rate radiation therapy to eliminate brain tumors without causing significant side effects. This breakthrough technique, known as FLASH-RT, has shown promising results in mice and has the potential to be used for a range of cancer types.

Scientists explain the paradox of quantum forces in nanodevices

Scientists have solved the Casimir puzzle by accounting for energy losses of conduction electrons in metals, leading to agreement between theory and high-precision measurements. The new approach takes into account both real and virtual fluctuations, enabling reliable calculation and creation of miniature nanodevices.

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.

What do breast cancer cells feel inside the tumour?

A new technique has found extremely high stiffness in tiny regions of aggressive breast cancer tumors, suggesting only a few areas need to stiffen for metastasis to occur. This could lead to improved cancer detection and mapping.

Hurricanes pack a bigger punch for Florida's west coast

New research extends Florida's hurricane record thousands of years back in time, hinting at a surprise finding. The study found that the state's Gulf Coast is hit by more intense hurricanes than its East Coast, with ancient tempest deposits suggesting this pattern may extend thousands of years back.

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.

Ultraheavy precision polymers

Researchers have developed a simple, environmentally friendly process to produce well-defined linear and star-shaped polymers with ultrahigh molecular weights from nonconjugated monomers. The photoenzymatic RAFT polymerization method offers outstanding control over composition, molecular weight, and architecture.

Coronaviruses are masters of mimicry, new study finds

A new study found that coronaviruses use mimicry to trick human immune proteins, including those controlling blood coagulation and complement activation, which may drive pathology in infected patients. The researchers discovered over 150 protein mimics used by coronaviruses, including many involved in severe COVID-19 disease.

New strategy for treating common retinal diseases shows promise

Scientists at Scripps Research Institute have uncovered a potential new strategy for treating eye diseases, including age-related macular degeneration and diabetic retinopathy. A fragment of the protein CITED2 has been shown to reduce neovascularization while preserving healthy blood vessels in mouse models.

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.

Butterfly color diversity due to female preferences

Researchers from Sweden and Germany have found that female influence butterfly color diversity by mating with colorful males. The study suggests that Darwin's model of sexual selection explains the patterns better than Wallace's model, resolving a long-standing argument.

Endangered trees in Guam contribute to ecosystem diversity and health

Research on three endangered tree species in Guam reveals that their decomposition releases nitrogen and carbon into the soil, improving forest ecosystem health. The findings highlight the importance of biodiversity and symbiotic relationships between plants and microorganisms in nutrient cycling.

Langerhans cells are up to the job, they just need a chance

Langerhans cells play a crucial role in preventing acute graft-versus-host disease by inducing the death of immune cells. Researchers at University of Tsukuba found that enhancing B7 protein expression on Langerhans cells could prevent aGVHD development, leading to improved treatments and patient quality of life.

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.

A question of affinity

Scientists have discovered that ionization energy is more crucial than electron affinity in determining the efficiency of organic solar cells. This finding allows for precise design rules to be derived, aiming to maximize solar cell efficiency and potentially leading to transparent solar cells with high efficiency.

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.

Meta Quest 3 512GB

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

Back to the future of climate

Researchers from ETH Zurich and colleagues reconstructed the Paleocene and Eocene climates using siderite minerals, finding high humidity and heat transport. This suggests today's global warming is linked to increased moisture and heat transport in the atmosphere.

Neutrons chart atomic map of COVID-19's viral replication mechanism

Researchers at ORNL used neutron scattering to create a three-dimensional map of the SARS-CoV-2 enzyme molecule critical to virus reproduction. The study reveals the location of every atom in the protease enzyme, enabling the design of more specific and effective drug inhibitors.

Study: Most migratory birds rely on a greening world

A new study from Cornell University confirms that most birds synchronize their migrations with seasonal vegetation changes, but carnivores and insect-eaters show weaker ties. Climate change threatens these patterns as vegetation cues become less reliable.

Study reveals differences in malaria clearance between males and females

Researchers found that females can clear asymptomatic malaria infections at a faster rate than males, which could inform epidemiologists and public health strategies. The study, published in eLife, suggests biological sex-based differences play a crucial role in the human response to malaria parasites.

Celestron NexStar 8SE Computerized Telescope

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

Cloud-based framework leads to improved efficiency in disaster-area management

Researchers have designed a cloud-based autonomous system framework utilizing the standard messaging protocol for IoT. This framework maximizes network coverage area and increases speed of communication between unmanned sensors. The team plans to add computer vision and machine learning capabilities in future developments.

Surprising players in acute liver failure point to potential treatment

Acute liver failure is a rapidly progressing disease with an 80% mortality rate. Researchers identified three new subsets of liver cells that contribute to the condition's development, as well as signals from the gut microbiome. Selectively blocking these signals and depleting the microbiome led to marked improvement in liver function ...

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.

New research effort aims to improve health outcomes for rural patients

A new research effort led by the University of Tennessee Institute of Agriculture seeks to enhance communication between healthcare providers and rural patients, enabling them to discuss costs and treatment options. The project aims to improve health outcomes for those living in poverty or with limited financial resources.

Judges' decisions in sport focus more on vigour than skill

Researchers found that in fights resolved by judges' decisions, winners tended to fight more vigorously than losers. Conversely, fighting skills were essential for winning in fights determined by knockout or technical knockout. The study suggests that the rate of attack is a dominant factor in determining success in combat sports.

Fluke 87V Industrial Digital Multimeter

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

A new playbook: COVID-19, athletes' hearts and return to play

A new report from sports cardiologists at Massachusetts General Hospital and Emory University School of Medicine offers guidance for athletes' return to play after COVID-19. For asymptomatic or mildly symptomatic athletes, detailed cardiac screening is not recommended, but those with moderate to severe symptoms should be screened for h...

Focused efforts needed to help health IT reach its promise

A RAND Corporation study finds that health systems need better mechanisms for creating and disseminating best practices to leverage technology effectively. The study suggests that payment reform may not be sufficient to drive change and that significant investments in hardware and software are needed.

Effect of electroacupuncture on chronic low back pain

A randomized clinical trial found that electroacupuncture significantly reduced pain severity among adults with chronic low back pain. The study compared the effects of electroacupuncture to a placebo treatment, with results indicating a notable decrease in pain severity.

Cancer's dangerous renovations to our chromosomes revealed

Researchers at the University of Virginia have discovered that cancer alters the three-dimensional structure of chromosomes to create a comfortable home for itself inside cells. This remodeling is linked to changes in gene expression and can be targeted with specific drugs, offering new approaches to cancer treatment.

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.

Detect with PKAchu

Biologists developed fluorescent mice to visualize protein kinase A (PKA) activation in the retina. They found that light stimulation activates PKA for nearly 15 minutes in rod cells, which are essential for night vision.

Vampire bats social distance when they get sick

Researchers found that vampire bats with illness associate less with others, spend less time near groupmates, and are less connected to healthy bats. This sickness-induced social distancing reduces transmission rates without requiring cooperation from others.

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.

Energy at risk: the impact of climate change on supply and costs

Climate change is expected to increase cooling demand and decrease heating demand globally, while also affecting energy infrastructure efficiency and reliability. Regional differences in climate change impacts are observed, with South Asia and Latin America being the most vulnerable regions.