A team of astronomers witnessed a supernova smashing into a nearby star, creating an ultraviolet glow that reveals the size of the companion. The study provides new insights into the origin of type Ia supernovae.
Researchers found that octopus skin can sense light changes without central nervous system input, using the same opsin proteins as its eyes. This allows for a response to brightness and color, enabling camouflage and communication. The discovery has implications for understanding cephalopod behavior and evolution.
Researchers at UC Santa Barbara demonstrate a simple artificial neural circuit that performs image classification, using memristor technology to achieve brain-like efficiency. The breakthrough has potential applications in medical imaging, navigation systems, and search technologies.
Endothermic fish, including sharks and tunas, can swim two and a half times faster and twice as far as cold-blooded species. This unique physiological characteristic allows them to maximize their swimming distance and speed, providing benefits for hunting and reproduction.
Researchers from UCSB have successfully measured the frequency of radiation emitted by a single electron for the first time. The team used a tabletop instrument to detect emissions from an individual, orbiting electron and witnessed over 100,000 single electrons.
Researchers at UC Santa Barbara discover that WDR5 plays a crucial role in the final step of cell division, promoting the disassembly of midbody microtubules and contributing to abscission. The study reveals that WDR5 localizes to the dark zone of the midbody, a previously considered 'junk' structure.
The study demonstrates the use of DNA nanotechnology to position arrays of hundreds of identical silver clusters with tunable fluorescent properties. This approach enables controlled assembly of photonic arrays, opening up new possibilities for sensing and imaging applications.
A team led by Otger Campàs and Jérome Gros aims to measure the map of forces generated by embryonic cells as they build limbs. They plan to use a new technique to study mechanical forces in living tissues and explore their role in cell differentiation.
Hippos' organic matter provides essential nutrients to river fish and aquatic insects, highlighting the ecological importance of hippos in river ecosystems. The study's findings are crucial for understanding the impact of climate change and human development on hippo populations and entire food webs.
Researchers found that quicker learners use different brain regions and have more interconnected networks, while slower learners rely on more individualized brain activity. The study provides insight into the neural mechanisms behind skill learning and practice.
A new hand-held instrument called OsteoProbe measures the bone material strength index (BMSi), which predicts bone fracture risk. The device is more sensitive than standard measurement techniques and can detect changes in cortical bone indentation following treatment with osteoporosis therapies.
A team of UC Santa Barbara scientists discovered a new virus that selectively targets one gene for mutation, allowing it to thrive in extreme environments. They also found that some archaea do the same, targeting multiple genes and accelerating genetic variation through guided mutation.
Acne sufferers may benefit from a new therapy that reduces breakout frequency and intensity using ultrasound, gold-covered particles, and lasers. The treatment works by deactivating sebaceous glands, reducing sebum production and preventing bacterial growth.
A study by UC Santa Barbara anthropologists found that Tsimane men's oxytocin levels increase when they come home to their families after a day of hunting, positively correlating with changes in testosterone. This hormonal response may serve as a balance between social bonding and competition.
Researchers use a cylindrical rotating system to study turbulent convection, disproving the idea that transitions from one state of turbulence to another are smooth. Their findings suggest that symmetry changes must be sharp, contradicting Lev Landau's theory.
A study by UC Santa Barbara researchers found that foreign-born STEM students are more likely to stay in the US than return home, with 44% of Silicon Valley startups including a foreign founder. The study suggests that visa requirements and lack of mentorship opportunities may be driving these students abroad.
A UCSB ecologist examines how human disturbance affects landscape and wildlife, revealing links between conservation and human health. She finds that land-use change increases plague transmission by moving rodents closer to human habitats, while environmental conditions affect flea infestations.
Using NASA's Hubble Space Telescope, astronomers found four separate images of the same distant supernova, enabling them to measure the difference in light paths. This discovery helps refine estimates of dark matter and the expansion rate of the universe.
Quantum physicists at the University of California - Santa Barbara have developed a quantum circuitry system that self-checks for errors and suppresses them, preserving qubits' state(s) and imbuing the system with reliability. The system uses the surface code scheme to detect errors based on parity information.
A UC Santa Barbara study finds that people systematically discount the competence of female entrepreneurs and investment-worthiness of their enterprises, but innovation mitigates this bias. Women-led businesses pitched innovative ideas are rated more competent and worthy of investment than non-innovative counterparts.
Jon Schuller, UCSB assistant professor of electrical and computer engineering, is studying how light interacts with complex materials like plastics, which have unique optical properties. The research could lead to the development of new organic photonic devices with enhanced performance and low-cost semiconductors.
A study by UCSB scientists examined the unique properties of tau, a critical protein in neurons that can form clumps associated with Alzheimer's disease. Researchers found that exposing tau to certain chemicals, such as urea, could prevent aggregation, while another compound, TMAO, accelerated it.
A new study by the NCEAS Marine Debris Working Group estimates that over 4.8 million metric tons of plastic waste enter the world's oceans from land annually, with a possible maximum of 12.7 million metric tons.
Researchers are developing an artificial pancreas (AP) to manage pediatric diabetes, aiming to alleviate parents' stress and anxiety. The device will be tailored to consider children's unpredictable eating habits and physical activity, and its safety, efficacy, reliability, and ease of use will be prioritized.
Researchers found that Rapa Nui communities were abandoned due to environmental constraints, with nutrient-rich areas maintaining viable populations despite external threats.
Researchers at UCSB show that changes in river channel boundaries directly impact flood hazard trends across the US. Channel capacity needs to be considered jointly with stream flow for accurate flood hazard calculation.
A new report by UCSB researchers highlights the alarming rate of marine animal extinctions, driven by industrial activities such as factory farming and seafloor mining. Climate change is also degrading marine habitats, posing a significant threat to ocean wildlife.
A new metal-free atom transfer radical polymerization process using an organic-based photocatalyst and light has been developed by researchers at UC Santa Barbara. This process overcomes the use of heavy metal catalysts like copper, which is a major roadblock in applications such as biomedical purposes.
Researchers at UCSB's Reich Group have developed a method for spatially and temporally controlling the release of proteins inside cells using near-infrared laser-activated nanocarriers. This technology allows for targeted protein delivery, enabling new avenues for basic research and therapeutic applications.
Researchers at UC Santa Barbara have developed a method to target inflamed tissues by utilizing monocytes, which can be attached to 'cellular backpacks' coated with antibodies. These particles can deliver therapeutic agents to the site of inflammation, potentially improving treatment outcomes and reducing side effects.
Thomas Scheff's research aims to define basic emotions, particularly shame, using historical and linguistic analysis. He identifies two types of shame: overt and bypassed, which are often hidden or misnamed in modern societies.
In a paper published in Human Organization, UC Santa Barbara anthropologist Jeffrey Hoelle examines the rise of cattle ranching in the Brazilian state of Acre. He argues that cattle culture emerged as a result of local economic relationships, which developed cultural beliefs based on interdependence with animals.
A study by USCB researchers determined that building an audience and engaging it during crowdfunding is crucial for success. The most important networks were those that were scalable, such as Twitter and email, which helped bring people to the projects.
Researchers find that climate change may affect the ratio of oxygen consumed to phosphorus released during organic matter respiration in the subsurface ocean. This shift could lead to more carbon being stored in the ocean, potentially offsetting the slowdown of the ocean's uptake of carbon dioxide from the atmosphere.
A recent study by Dana Bardolph found that female authors are underrepresented in American archaeology journals, accounting for less than 29% of published articles. The research suggests a pervasive gender bias in academia and publishing, with potential factors including authorial behavior and the submission process.
Bio-inspired bleeding control is achieved through the synthesis of platelet-like nanoparticles that mimic the human body's own coagulation processes. These tiny particles can be added to blood flow to supply or augment the patient's natural platelet supply, stemming bleeding and initiating healing.
A new paper reveals that global dietary trends are diminishing human health and harming the environment. Alternative diets offer substantial health benefits and could reduce greenhouse gas emissions, land clearing, and species extinctions.
Researchers at UCSB's Martinis Lab successfully demonstrated a quantum version of Gauss's law using superconducting qubits. The team achieved full control over a two-qubit system, enabling precise measurement of local curvature through movement, showcasing the power of arbitrary control in quantum simulation.
A new UCSB study reveals that a fungal pathogen in amphibians disrupts the skin microbiome, leading to dramatic changes in bacterial communities. The research has significant implications for understanding infectious disease dynamics and developing responses to diseases causing amphibian extinction.
A new study suggests that fleet diversity is crucial for successful fishery management, particularly in fisheries targeting multiple species. By promoting balanced catches across species, diverse fishing fleets can increase overall profits while reducing overfishing of slow-growing species.
Researchers describe the Terasaki ramps in the endoplasmic reticulum as spiral structures that connect parallel sheets, allowing for high density of ribosomes. This geometry is stable and minimizes energy, consistent with the laminar structure of the stacks.
Researchers at UCSB and WHOI have identified a 1,250-square-mile patch of the deep sea floor where 2-16 percent of the discharged oil was deposited. The oil fell in thin deposits most intensive to the southwest of the Macondo well.
Desert streams have surprisingly simple topography despite being shaped by flash flooding, according to researchers from UCSB's Earth Research Institute. The stream's form is maintained by complex interactions among rainstorms, sediment flows, and sediment grains present on the riverbed.
Researchers find genetically similar bioluminescent organs in two squid species, suggesting predictable evolution of complex traits. The study's novel bioinformatic approaches indicate that convergent phenotypes are associated with the convergent expression of thousands of genes.
A UCSB geochemist used lead and helium isotope measurements to analyze Samoan volcanoes, finding evidence of a primordial component within the deep interior. The study revealed distinct chemical configurations and mixing relationships among four endmembers, providing new insights into Earth's mantle plume structure.
Researchers analyzed images from the Russian spacecraft RadioAstron and found small spots in the overall image, which they call substructure. This phenomenon can be used to infer the actual size of the underlying source, including the black hole's emission region.
A study published in PLOS ONE suggests that coral reefs will have winners and losers among species facing increasing stressors. Fast-growing, small, and stress-resistant corals are likely to thrive in a warmer future.
Atzberger's research focuses on the intersection of math and science, exploring how proteins move within lipid bilayer membranes. He developed a statistical mechanics description that captures essential features of membrane-protein dynamics, allowing for simple yet reliable calculations and simulations.
Researchers at UC Santa Barbara have developed a highly sensitive biosensor using molybdenum disulfide, offering improved scalability and mass production capabilities. The material's wide band gap enables accurate readings with reduced leakage current.
The 'anger face' is a cross-culturally universal facial expression that employs seven distinct muscle groups to signal the emotional state of anger. Researchers found that each component of the face makes an individual appear physically stronger, suggesting it evolved as a threat display to intimidate others.