A new type-II Weyl fermion has been predicted to exist in metallic materials, exhibiting unique responses to electromagnetic fields. The discovery could lead to potential applications in low-energy devices and efficient transistors.
Researchers discovered army ants form complex bridges without a lead ant, adapting to terrain and optimizing food collection. The collective computation allows them to balance cost and benefit, a phenomenon that could inform the development of swarm robots.
The UN Climate Summit should prioritize guidelines and incentives for developing nations to cooperate on low-carbon energy projects. Chinese firms' significant involvement in coal power plants globally threatens the summit's goal, highlighting the need for expanded cooperation.
Researchers at Princeton University have predicted a new phase of superionic ice with unusual conductivity properties. The P21/c-SI phase occurs at high pressures beyond giant ice planets, offering insights into the material's behavior.
Researchers studied female fruit flies' auditory pathways to understand how external stimuli become behavior. They found that longer song segments prompt females to slow down and let males approach, a finding relevant to humans' ability to recognize patterns in the environment.
Researchers at Princeton University found that intense rainfall leads to a decrease in tree growth and an increase in grass growth on the African savanna. This is because trees struggle to utilize excess water, while grasses can absorb it quickly, giving them a competitive advantage.
Researchers at Princeton University have detected the long-sought chiral anomaly in a metallic compound of sodium and bismuth. The finding increases conductivity and may lead to more energy-efficient electronic devices, as impurities scatter current-carrying electrons, causing energy loss.
The researchers have developed a dual catalyst system that directly installs alkyl groups onto heteroarenes using simple and abundant alcohols, offering a milder alternative to existing strategies. The new reaction has successfully used alcohols as reagents in the alkylation reaction for the first time.
New research suggests Arctic soils could remove more methane from the atmosphere than release it, with bacteria playing a key role in this process. As temperatures increase, these soils become more efficient at absorbing methane, which could help offset rising atmospheric levels and slow global warming.
Researchers have discovered a new pathway to construct carbon-oxygen bonds using a light-activated catalyst, expanding nickel chemistry's potential impact on pharmaceuticals and agriculture. The breakthrough overcomes previous challenges with traditional nickel catalysis.
The study provides insight into the mechanism of water transitioning from a liquid to a crystalline solid. It also explores the origin of two different crystalline shapes that ice can take at ambient pressure, shedding light on why cubic ice is favored over hexagonal ice during initial stages of nucleation.
Researchers at Princeton University have developed a new chemical reaction that breaks the strongest bond in a molecule instead of the weakest. Using a two-component catalyst system, they selectively activate the strongest bond through proton-coupled electron transfer (PCET), allowing access to previously inaccessible compounds.
Researchers found that infants as young as 5-7 months can use their expectations to rapidly shape their developing brains. Brain activity was detected in visual areas even when the image didn't appear as expected, indicating the brain's ability to set up expectations about incoming events.
Scientists at Princeton University have discovered Weyl fermions, a massless particle theorized 85 years ago. The particle could enable nearly free and efficient flow of electricity in electronics, leading to greater power for computers.
The new cobalt-catalyzed [2π+2π] reaction overcomes limitations of other transition metal catalyzed methods, producing cyclobutane compounds with potentially beneficial properties. The research team used redox active bis(imino)pyridine ligands to pass electrons to and from the metal, leading to a detailed understanding of the mechanism.
A new study reveals that most mountain ranges increase in land area at higher elevations, contradicting the long-held assumption that they decrease. This finding could lead to more precise conservation strategies for mountain animal species threatened by climate change.
Researchers at Princeton University have revealed the structure and biosynthesis of streptide, a peptide involved in bacterial quorum sensing. The study used a combination of chemical and biological approaches to determine the structure of streptide and its mechanism of production.
Researchers from Princeton University created a 'cradle-to-grave' model of the world's most powerful internal waves in the Luzon Strait. The study found that these waves amplify size and energy when passing through underwater ridges, ultimately affecting heat and nutrient transport in the ocean.
A study led by Princeton University researchers found that bird species with increasing prices and decreasing availability exhibited plummeting populations in the wild. Market monitoring can be done more quickly and cheaply than field-based monitoring, making it an effective tool for conservation.
Researchers analyzed gravity satellite data to conclude that Antarctica's ice cap is melting faster than ever. The southern continent lost 92 billion tons of ice per year from 2003 to 2014, with West Antarctica's ice sheet losing twice as much as East Antarctica.
A Princeton University study found that male and female Stegosaurus had distinct plate shapes, with females having shorter and wider plates and males having taller and narrower ones. This discovery sheds light on sexual dimorphism in non-avian dinosaurs, challenging previous assumptions.
Scientists have developed a method to introduce non-native chromatin into cells, allowing them to systematically interrogate transcriptional signaling pathways. This approach enables researchers to propose mechanistic pathways and validate hypotheses in vivo, paving the way for potential therapeutic applications.
Researchers observed the Hall Effect in frustrated magnets at extremely low temperatures, challenging previous theories. The discovery may pave the way for new electronics and innovations in computing.
A study found that government biofuel policies rely on reductions in food consumption to generate greenhouse gas savings. The reduction in food available for consumption drives the decline in carbon dioxide emissions. This means that less food is available, and prices go up, disproportionately affecting the world's poor.
Researchers found that activity in the medial prefrontal cortex monitors what's happening outside current focus of attention and shifts to a better strategy. The study used MRI scans to track volunteers' brains while they played a game with hidden patterns, revealing specific signals corresponding to color changes.
Researchers warn that increased antibiotic use in livestock could lead to decreased effectiveness in humans. A study found that global demand for animal protein is rising dramatically, driving antimicrobial consumption.
Researchers at Princeton University discovered that cytomegalovirus manipulates fatty acid elongation, a process essential for virus replication. The virus induces the expression of elongase enzyme 7, which is necessary for efficient replication.
Researchers have discovered that a specific set of molecules, known as transcription factors, trigger DNA errors and slow down cell division in embryos. This finding provides new insight into the mechanism behind the 'midblastula transition', where the embryo takes control of its genetic expression.
A team from Princeton University has discovered a second natural quasicrystal in an ancient meteorite, bringing to two the number of natural quasicrystals ever discovered. The newly found quasicrystal has a decagonal symmetry and is made up of aluminum, nickel, and iron.
Researchers found that severe disruptions to healthcare systems during the Ebola outbreak led to a significant reduction in measles vaccinations. This could result in an additional 2,000 to 16,000 deaths if a measles epidemic were to occur in affected countries.
Theoretical chemists generate maximally random, jammed states using a computer algorithm, revealing new insights into the nature of randomness. These findings have implications for materials science and photonics, where randomly dispersed patterns can create unique properties.
Researchers identified a gene influencing beak shape in Galápagos finches, which varied among individuals within species. This finding highlights the genetic basis for evolution and natural selection, shedding new light on how species diverge over time.
Research suggests that termite mounds can slow the spread of deserts into drylands by providing a moist refuge for vegetation. The study's findings imply that these ecosystems are more resistant to desertification than previously thought, and that climate models should better account for organisms like termites.
A new study has identified over 750 genes involved in long-term memory in the worm, including those not previously found. The researchers hope to understand how these genes contribute to memory loss with age and potentially develop compounds to maintain memory.
Researchers at Princeton University have successfully built a rice-sized laser powered by single electrons tunneling through artificial atoms known as quantum dots. The device demonstrates a major step forward for efforts to build quantum-computing systems out of semiconductor materials, according to co-author Jacob Taylor.
Researchers at Princeton University found that increased CO2 and plant growth could destabilize soil's carbon stores. The team developed a computer model to show the complex interaction between carbon, plants, and microorganisms in soil.
New research confirms that massive volcanic eruptions 66 million years ago spewed climate-altering gases into the atmosphere before and during the K-Pg extinction event, which claimed non-avian dinosaurs. The Deccan Traps' eruptions are now considered a key factor in the extinction event.
Scientists used theoretical calculations to gain insights into the structure of β-NiOOH, a highly active compound in a nickel oxide catalyst. The research found that the material's mosaic texture and c-axis periodicity are stable tunnel structures that relieve stress between layers.
Researchers at Princeton University have directly observed the electronic states of iron-sulfur clusters in enzymes, revealing an order of magnitude more accessible states than previously reported. This discovery presents many different chemical possibilities and could explain the ubiquity of these clusters in biological processes.
Research found that Pseudomonas aeruginosa uses a sense of touch to detect hosts, allowing it to initiate infection without relying on chemical signals. The bacteria's ability to infect is linked to the PilY1 protein, which can be targeted for treatment.
Researchers found that a genetic tweak in yellow fever mosquitoes makes them more sensitive to human odor, particularly sulcatone, allowing them to target humans. This discovery provides insight into the evolution of mosquito behavior and could help develop new ways to prevent their bites.
The European satellite Gaia is expected to detect tens of thousands of new planets within its five-year mission, revealing unique details about each planet's properties. The satellite's instruments will also capture the motion, physical characteristics, and distance of roughly 1 billion objects in the Milky Way galaxy.
The Karakoram glacier anomaly is a cold case of climate science solved by researchers from Princeton University. The unique seasonal pattern keeps the mountain range relatively cold and dry during summer, sustaining glacier mass. This high-resolution model predicts stable snowfall and water availability until 2100.
A new computational model developed at Princeton University may help understand tumor dormancy, a phenomenon that can last up to 25 years in pancreatic cancer. The model predicts that tumors are likely to grow rapidly when the number of dividing cells reaches a certain critical level.
Scientists discovered a new material, WTe2, exhibiting unlimited growth in magnetoresistance when exposed to strong magnetic fields. This phenomenon could be useful for detecting magnetic fields in scanners.
A new study reviewing nearly 70 antimicrobial resistance studies suggests that aggressive treatment may not always be the best way to prevent resistant pathogens. The review found that varying drug dosages and treatment durations may affect resistance emergence, and moderate treatment could be a more effective strategy for some diseases.
Researchers at Princeton University have captured an image of a Majorana fermion, a particle that exhibits properties of both matter and antimatter. The discovery could yield powerful computers based on quantum mechanics, as the particle's stability allows it to interact weakly with its environment.
Researchers at Princeton University have overcome a major challenge in predicting material properties by accurately calculating the lattice energy of benzene to sub-kilojoule/mol accuracy. This breakthrough enables polymorphism to be resolved, a crucial step towards understanding material behavior and development of new materials.
Researchers develop genetic 'instruction set' that creates broadly neutralizing antibodies to target hepatitis C virus. In mice, the treatment prevented infection and eradicated existing infections, offering potential for affordable treatment.
A study analyzing millions of Arabic-language tweets confirms high levels of anti-American sentiment, revealing that criticism of the US is consistent across various regions and issues. The research suggests a deep-seated dislike of American intervention and an unwillingness to give credit when US policies are beneficial.