Researchers pin down Hubble constant value between 65.3 and 75.6 km/s/Mpc using gravitational wave signals and radio images. This method relies on a single merger event, which is remarkable given the cosmological models' limitations.
Mosquitoes have evolved to specialize in humans, recognizing distinct human odors through a complex blend of compounds. Researchers study the behavior, genetics, and brain structure of disease-carrying mosquitoes to understand this specialization.
Researchers discovered a new species of bacteria living inside algae that produces toxic compounds for the sea slug's defense. The three-way symbiotic relationship allows the slug to obtain food and defensive chemicals while the algae benefits from chemical production and the bacteria receive a home and nutrients.
Princeton University researchers have developed a scalable cell culture system that allows for detailed investigation of how host cells respond to infection with HBV and HDV. The system, called SACC-PHH, enables chronic HBV infection for up to 40 days, providing unprecedented opportunities to study host responses to hepatitis viruses.
A team of Princeton researchers has successfully controlled Majorana quasiparticles in a setting that makes them more robust. They achieved this by combining a superconductor and an exotic material called a topological insulator, which enables the detection of Majoranas with less susceptibility to heat or vibrations.
Princeton researchers found that learned avoidance behavior in C. elegans can be inherited for multiple generations through the germline, with the behavior remaining elevated for up to four generations before returning to normal levels. This study provides new insights into transgenerational epigenetic inheritance and its potential rol...
A team of researchers, led by Princeton's Rob Pringle, studied the effects of invading predators on prey species in the Bahamas. The study found that when prey can respond rapidly to the presence of a predator, predators might reduce the ability of prey species to coexist.
Researchers at Princeton University discovered a new mechanism linking the circadian clock and fat metabolism through the Nocturnin enzyme. The study found that Nocturnin regulates specific metabolites to produce energy and protect cells from damage, leading to improved metabolic health outcomes.
A new article in Neuron presents a model of working memory that captures its flexibility through high-dimensional random networks and structured sensory networks. The model suggests a tradeoff between flexibility and capacity in working memory.
Researchers at Princeton University have engineered Pseudomonas bacteria to sense the speed of flowing fluids, which can be used as a flow sensor. The bacteria's genetic response is tuned to the speed, allowing it to detect and measure fluid flow in real-time.
Researchers at Princeton University developed a mouse model of hepatitis C by introducing human proteins that allow the virus entry to liver cells. The study found that small mutations in a liver cell protein significantly impact viral replication in mice and humans.
A Princeton-led research team reconstructed ocean nitrogen levels from 70 million years ago to 30 million years ago, showing a significant increase in oxygen after the India-Asia collision. This finding reveals that plate tectonics had a major impact on ocean chemistry and life conditions.
Researchers found that plants and microbes forge symbiotic relationships to gain access to nutrients, leading to the dominance of specific tree species in different biomes. This understanding can help predict how ecosystems will shift in response to climate change.
Researchers found E-selectin in bone vascular environment supports early growth of cancer cells, promoting metastasis. Using sugar-mimetic compound Uproleselan, they show reduced bone metastasis and survival advantage in mice with human breast cancer cells.
Researchers propose a plan to provide government subsidies to hospitals with low infection rates, motivating them to strengthen preventive measures. This approach aims to reduce infections within a region by creating a shared incentive system.
Researchers have discovered that certain classes of chiral crystals can host electrons behaving like slowed down light, with collective behavior mimicking magnetic monopoles. The team found that these crystals can exhibit unique phenomena such as large Fermi arcs and electron spins that collectively behave like magnetic monopoles.
A team of researchers at Princeton University has constructed a public library to help understand the role of genes in photosynthesis. The library consists of thousands of mutant strains of single-celled algae, which were used to identify 303 genes associated with photosynthesis, including 21 newly discovered genes.
Researchers have discovered 83 supermassive black holes powering quasars 13 billion years ago, shedding light on their formation and evolution. This finding increases the number of known black holes at that epoch and provides new insights into their impact on the early universe's gas state.
A team from Princeton University used mathematical modeling to explore the relationship between T cell expansion and infectious agent levels. They found that the starting amount of infectious agent and affinity for the cells are key factors in determining the expansion rate. The study suggests a simple underlying mechanism governing th...
Researchers discovered that the removal of large carnivores like leopards and hyenas led to an expansion of antelope species into open plains. Reintroducing these predators reversed this effect, causing antelopes to retreat to wooded areas, while plants flourished in their absence.
Researchers found that cuckoos, known as greater anis, act collectively but become social parasites after their nests are destroyed. They switch to a strategy of spreading eggs around other nests, achieving similar reproductive success to cooperative breeding.
Researchers have found that over a quarter of all materials exhibit topological properties, which could enable faster and more energy-efficient technologies. An online catalog has been created to design new topological materials using elements from the periodic table.
Researchers at Princeton University observed exotic electronic properties in kagome magnets, including negative magnetism and flat-band electrons. The study used state-of-the-art scanning tunneling microscopy and spectroscopy to explore the behavior of electrons in a kagome-patterned crystal.
Researchers precisely dated Deccan Traps volcanic eruptions, finding four pulses that released toxic gases into the atmosphere. The findings suggest a possible link between volcanic activity and dinosaur extinction, but the exact cause remains uncertain.
Climate change is causing fishing communities to adapt by changing their fishing locations and strategies. Large North Carolina-based trawl vessels are now sailing 250 miles north to catch summer flounder and Atlantic croaker off the coast of New Jersey.
Researchers found rough topography on the 660-km boundary, rivaling the Rocky Mountains and Appalachians, using data from a massive Bolivian earthquake. This discovery has significant implications for understanding the Earth's formation and function.
Princeton researchers have demonstrated a new way of making controllable 'quantum wires' in the presence of a magnetic field. They found channels of conducting electrons that form between two quantum states on the surface of a bismuth crystal subjected to a high magnetic field. The current flow in these channels can be turned on and of...
A team of researchers used floating robotic seismometers to image the interior of the planet and discovered a mantle plume under Galapagos, suggesting an alternative explanation for the Earth's constant temperature over 4.5 billion years. The findings hint at the importance of mantle plumes in regulating the Earth's heat budget.
A team of biologists and physicists have shown that cells optimize the use of all available genetic code information to position themselves with precision. This study demonstrates a mathematically optimal process in complex biological systems, predicting cell placement accuracy within 1 percent of actual locations.
A study published in Cancer Cell found that Tinagl1, a protein-based therapy, reduced the spread of triple-negative breast cancer in mice by blocking two main pathways. The treatment is based on a naturally occurring protein and has been shown to be effective even after tumors have begun to metastasize.
Researchers developed LEAP, a neural network-based system that tracks individual body parts in video footage, enabling the study of animal behavior and neural processes. The tool has great potential outside of neuroscience, automating labor-intensive analysis to study diverse animal locomotor behaviors.
A team of biologists has discovered red wolf DNA in a group of canines living on Galveston Island, Texas, raising hopes for the species' survival. The finding, which may represent lost genes from captive breeding, challenges conventional science's dismissal of 'red wolves' as coyotes.
Researchers studied how male broad-tailed hummingbirds combine speed, sound, and color in their displays to attract females. They discovered that the most dramatic aspects of the dive happen almost all at once, just before the male soars past the female.
Researchers at Princeton University have discovered a virus that can listen in on bacterial conversations and kill diseases like E. coli and cholera. The virus, VP882, uses cross-kingdom communication to take the risk out of its decision-making process.
Researchers found that diets in wealthy nations have far higher greenhouse gas consequences than typically calculated. Shifting to plant-based diets or careful management of grazing can reduce emissions by up to 70%. The study provides a 'carbon benefits index' to assess the impact of land use changes on climate change.
A team at Princeton University used laser light to trap atoms in an optical lattice and explored how resistance develops in unconventional metals. The results may help explain the behavior of copper oxide superconductors, which could lead to more efficient power transmission and new technologies.
Researchers at Princeton University have developed a comprehensive way to evaluate how immune responses of humanized mice measure up to actual humans. The study highlights an experimental paradigm to address the gap in understanding immune responses to human pathogens and potential vaccines.
Bridgett vonHoldt and Tom Smith used Mendelian genetics to identify the gene IGF-1 associated with bill size in black-bellied seedcrackers. The study found a 3:1 pattern of inheritance, where large beaks were dominant over small beaks.
Researchers recreated Hurricane Harvey using computer models and weather data, finding that urbanization led to a wetter hurricane with higher flood peaks and more damage. The study highlights the need to consider urban development when calculating hurricane risk and preparing for hurricane damage and recovery.
A recent study led by Princeton University researchers found that the world's oceans have absorbed 13 zettajoules of heat energy per year between 1991 and 2016, exceeding previous estimates by 60%. This increase in ocean warming suggests that Earth is more sensitive to fossil-fuel emissions than previously thought.
Researchers found nearly 200 gene variations linked to social behavior in sweat bees, including 21 clustered near genes implicated in human autism. The study suggests a core set of genes play an important role in shaping social behavior across species.
A 130-year-old brain coral's skeleton provided evidence that the North Atlantic Ocean has significantly less nitrogen pollution than previously estimated. The study found no signs of increased human-made nitrogen emissions, suggesting U.S. pollution control measures are effective in limiting ocean impact.
The study uses tiny gravitational distortions to measure the lumpiness of dark matter in the universe. The researchers find that the new observations are consistent with the simplest model for dark energy, but more data are needed to confirm the results.
A proposed US carbon-capture network, funded by new tax credits, could capture up to 30 million metric tons of CO2 annually, doubling current global emissions reductions. The network would transfer captured CO2 from ethanol refineries in the Midwest to oilfields in Texas for enhanced oil recovery.
Princeton University researchers have discovered a precise timeline for the Columbia River flood basalts, which they believe caused ancient global warming. The team's use of tiny zircon crystals has provided an unprecedented level of precision, revealing that 95% of the eruptions occurred within a 750,000-year window.
Researchers have discovered a quantum state of matter that can be tuned at will, opening possibilities for next-generation nanotechnologies and quantum computing. The discovery allows for the control of an exotic topological quantum magnet at the quantum level.
Researchers at Princeton University have detected the Higgs boson's decay into two bottom quarks, a pathway that confirms theories about matter's nature. The detection gives scientists a new way to study the physical laws governing the universe.
Researchers found that ant colonies with as few as six individuals experienced significant benefits from group living, including better-surviving babies and faster growth. The study suggests that increases in group size alone can create benefits for small colonies, challenging the idea that strong groups require strong leaders.
Researchers at Princeton University discovered that rabies virus uses a distinct transport process to reach neuronal cell bodies, contrasting with other neuron-invading viruses. Emetine, a protein synthesis inhibitor used to treat amoebic dysentery, efficiently blocks rabies virus transport by immobilizing endosomes carrying the virus.
Attention is not a steady focus, but rather a pulsing rhythm that cycles between periods of maximum concentration and broader situational awareness. This rhythmic structure of perception allows the brain to sample the environment and allocate resources efficiently.