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261,088 articles from PhysOrg
Marine viruses: Submerged players of climate change
While the world has been heavily focused on the usual players of global climate change, like fossil fuels and deforestation, a group of unlikely contenders has emerged from the depths of the ocean—marine viruses. These minuscule but mighty entities are now stealing the limelight as scientists unravel their profound influence on our planet's climate.
Seismic waves convey lithospheric delamination mechanism in South China
A research team led by Prof. Zhang Haijiang from the University of Science and Technology of China (USTC) of the Chinese Academy of Sciences, and Prof. Hou Zengqian from Chinese Academy of Geological Sciences, revealed the seismically imaged lithospheric delamination and its controls on the Mesozoic Magmatic Province in South China by using a new joint seismic inversion algorithm. The study was...
Importance of Wolbachia-mediated biocontrol to reduce dengue in Bangladesh and other dengue-endemic developing countries
Mosquito-borne diseases, particularly dengue and chikungunya have become global threats, infecting millions of people worldwide, including developing countries of Southeast Asia and Latin America. Bangladesh, like many other developing countries, is experiencing frequent dengue outbreaks. This article, therefore, critically discusses the current status of dengue disease, vector control approaches,...
Which is better—digitalization or digital transformation?
Have you ever wondered what the terms digitalization and digital transformation really mean? Are you unsure about when to use these terms and what they mean to you? And, more to the point, what's the difference?
Unlocking early Earth chemistry: Salt-induced changes in polyester microdroplet structure
Billions of years ago, Earth was an extremely hostile planet with active volcanoes, a harsh atmosphere, and no life. This prebiotic Earth, however, was filled with a wide array of abiotic organic molecules derived from its early environment, which underwent chemical reactions that eventually led to the origin of life.
First satnav receiver designed to operate in lunar orbit delivered to satellite maker
The first satnav receiver designed to operate in lunar orbit has been delivered to satellite maker Surrey Satellite Technology Ltd in the UK for integration aboard the Lunar Pathfinder spacecraft.
Jiu Jitsu club stage physical assaults to help advance forensic research
Researchers from Northumbria University and King's College London have published findings outlining the extent that textile fibers transfer during controlled assault scenarios.
Underwater noise shown to disturb feeding behavior of marine organisms
Many marine organisms, such as fish, marine mammals and crustaceans, produce and use sound to navigate, reproduce, detect prey and avoid predators. However, anthropogenic sound, for example from the construction and operation of offshore wind farms, drilling, seismic surveys and shipping, is changing the acoustic landscape in the ocean.
Local newspaper coverage improves information about public companies
Accounting researchers at the University of Arkansas are deepening their understanding of the effect of shrinking newsrooms on the financial information of public companies.
Push-pull practices 'control pests, increase maize yields'
So-called "push-pull" agricultural practices that aim to improve crop yields by minimizing the use of synthetic herbicides and insecticides increases yields and prevents pests from adapting over time, a study shows.
Invasive oak processionary moth caterpillars cause concern for England's trees
An insect that can be hazardous to human health is spreading across southeast England.
Opinion: An El Niño looms over Australia's stressed electricity system, and the nation must plan for the worst
The Bureau of Meteorology this week declared a 70% chance of an El Niño developing this year. It's bad timing for the electricity sector, and means Australians may face supply disruptions and more volatile energy prices.
World's first city-wide plastic survey: Harnessing people power to help with plastic pollution in Portsmouth
A UK city has become the first in the world to use city wide surveys to track plastic waste, in an effort to tackle plastic pollution.
Image: Hubble observes jellyfish galaxy JO206
The jellyfish galaxy JO206 trails across this image from the NASA/ESA Hubble Space Telescope, showcasing a colorful star-forming disk surrounded by a pale, luminous cloud of dust. A handful of foreground bright stars with crisscross diffraction spikes stands out against an inky black backdrop at the bottom of the image. JO206 lies over 700 million light-years from Earth in the constellation...
Help, bees have colonized the walls of my house! Why are they there and what should I do?
Have you spotted a swarm of flying insects emerging from a wall? Or noticed a buzzing noise coming from inside the house?
New study takes a high-level look at Nazca boobies' breeding
Nazca boobies can live to 28 years of age, but in their late teens, their ability to raise chicks declines substantially. Why their breeding drops in old age has plagued Wake Forest University Professor of Biology David Anderson for years. But a new study, published in Ecology and Evolution, may help answer the question, by looking at their ability to forage, or search for and capture food.
Conceptualizing and studying infrastructure junctions and the power geometries of low-carbon place-making
A research article about where, how, when, and for whom low-carbon places are made. The making of low-carbon places is a critical component of responses to climate change and can help in achieving decarbonization.
The 'good fire': Prescribed burning can prevent catastrophic wildfires in the future
Roaring flames, burned-out houses and cars, hazy air and orange skies are all around us. Already this year, millions of hectares have been torched by more than 2,200 wildfires in Canada.
Researchers map the blind spots for achieving a low-carbon transition in the Global South
A network of over 60 international researchers has collaborated intensely over 18 months to identify knowledge gaps and opportunities needed to achieve a low-carbon transition in the Global South. They have developed an actionable research agenda to guide funders and scholars to where they should direct their efforts.
Influenced by light, biological rhythms say a lot about animal (and human) health
Life patterns help humans and other animals stay in sync with nature and in good form.
Researchers discover materials exhibiting huge magnetoresistance
A group of researchers from Tohoku University has unveiled a new material that exhibits enormous magnetoresistance, paving the way for developments in non-volatile magnetoresistive memory (MRAM).
More than 50 chemicals discovered in water off Hampshire and West Sussex coasts
An ongoing study looking at water quality in and around Chichester and Langstone harbors has revealed high levels of potentially harmful chemicals.
Northern bettong genes reveal low genetic diversity, complicating protection measures
Scientists surveying the endangered northern bettong have discovered one particular sub-population of the species is in significant trouble and needs urgent help.
Wireless sensor enables real-time spoilage alerts on food
Food waste and food-borne diseases are among the most critical problems urban populations face today. They contribute to greenhouse emissions tremendously and amplify economic and environmental costs. Since food spoilage remains the main reason for this waste, the circumstances of processing, transporting, and preserving food still need to be improved in line with current technological...
Quantum materials: Electron spin measured for the first time
An international research team has succeeded for the first time in measuring the electron spin in matter—i.e., the curvature of space in which electrons live and move—within "kagome materials," a new class of quantum materials.
Toxic smoke dissipates over northeastern US
Residents of northeastern United States were breathing more easily Friday as smoke from Canadian fires gradually cleared after blanketing several cities in a noxious haze this week.
Enhancing the fluorescence of single silicon carbide spin color centers
In a study published online in Nano Letters, the team led by Prof. Li Chuanfeng and Dr. Xu Jinshi from the University of Science and Technology of China of the Chinese Academy of Sciences made progress in enhancing the fluorescence of single silicon carbide spin defects.
Ultrashort light pulses shaped like a spring toy bring a new twist to photonics
We've all played at least once with a spring toy, but did you know that light can be shaped like a spring too?
Scientists demonstrate 3D 'bio-printing' inside organoids growing in hydrogels
Scientists from the NIHR Great Ormond Street Hospital Biomedical Research Centre (a collaboration between GOSH and UCL), London, and University of Padova, Italy, have shown for the first time how 3D printing can be achieved inside "mini-organs" growing in hydrogels—controlling their shape, activity, and even forcing tissue to grow into "molds."
Heat transport in energy materials: Study clarifies fundamental microscopic mechanisms
The NOMAD Laboratory researchers have recently shed light on fundamental microscopic mechanisms that can help with tailoring materials for heat insulation. This development advances the ongoing efforts to enhance energy efficiency and sustainability.
Scientists make a surprising discovery about magnetic defects in topological insulators
Scientists from the Department of Energy's Ames National Laboratory made an intriguing discovery while conducting experiments to characterize magnetism in a material known as a dilute magnetic topological insulator where magnetic defects are introduced. Despite this material's ferromagnetism, the team discovered strong antiferromagnetic interactions between some pairs of magnetic defects that play...
Novel ferroelectrics for more efficient microelectronics
When we communicate with others over wireless networks, information is sent to data centers where it is collected, stored, processed, and distributed. As computational energy usage continues to grow, it is on pace to potentially become the leading source of energy consumption in this century. Memory and logic are physically separated in most modern computers, and therefore the interaction between...
Recording the entire process of a tera-electron volt gamma-ray burst during the death of a massive star
New research findings on the gamma-ray burst (GRB) named GRB 221009A from the Large High Altitude Air Shower Observatory (LHAASO) were published online by the journal Science on June 8, 2023. The study, titled "A tera-electron volt afterglow from a narrow jet in an extremely bright GRB 221009A," was completed by the LHAASO international collaboration.
Cryo-EM study shows zinc transporter has built-in self-regulating sensor
Scientists at the U.S. Department of Energy's (DOE) Brookhaven National Laboratory have determined the atomic-level structure of a zinc-transporter protein, a molecular machine that regulates levels of this crucial trace metal micronutrient inside cells. As described in a paper just published in Nature Communications, the structure reveals how the cellular membrane protein shifts its shape to move...
New approach 'stacks' genes for faster plant transformation
In a discovery aimed at accelerating the development of process-advantaged crops for jet biofuels, scientists at the Department of Energy's Oak Ridge National Laboratory developed a capability to insert multiple genes into plants in a single step.
Nanoparticle therapy targeting specific immune cells appears promising for sepsis
Nanoparticles consisting of a designer protein that counteract an overreaction of the immune system, while simultaneously boosting that system. This invention offers possibilities for the treatment of sepsis, a condition in which the immune system is severely dysregulated.
Researchers discover jet streams in Mars' magnetosheath
A research team from Umeå University and the Swedish Institute of Space Physics in Kiruna has discovered jet streams in the magnetosheath of Mars using data collected by NASA's MAVEN spacecraft. This is the first time such a jet has been found in the magnetosheath of a planet other than Earth. The results are published in the journal Science Advances.
Liquid metal sticks to surfaces without a binding agent
Everyday materials such as paper and plastic could be transformed into electronic "smart devices" by using a simple new method to apply liquid metal to surfaces, according to scientists in Beijing, China. The study, published June 9 in the journal Cell Reports Physical Science, demonstrates a technique for applying a liquid metal coating to surfaces that do not easily bond with liquid metal. The...
Study finds the best plants and bee hotels for boosting urban bee numbers
The presence of more native Australian flowering plants in urban areas can help boost declining bee numbers, with new Curtin University research finding them to be the preferred source of food for both native bees and the introduced European honeybee.
Wolves in Minnesota switch to fish as a main source of food in the spring
A team of wildlife specialists from the University of Minnesota, the University of Manitoba and Voyageurs National Park has found that wild wolves living in Minnesota tend to switch from feasting on larger prey to fish as their main source of food in the spring. In their study, reported in the journal Royal Society Open Science, the group used a variety of methods to study the eating behavior of...