Researchers have created a human heart-on-a-chip that models the structure and function of human heart tissue, enabling accurate testing of cardiovascular medications. The system successfully replicated the effects of four well-known drugs on heart cells.
Astronomers have discovered a distant supernova split into four images by a massive galaxy lens, allowing for the study of dark matter distribution and the type of star that exploded. The 'Einstein cross' will enable researchers to measure time delays between the arrival of light from the supernova in different images.
A new study from UC Berkeley found that young women with ADHD who experienced childhood trauma are at higher risk for self-injury, eating disorders, and suicide. The research adds to evidence that environmental factors contribute to negative psychosocial outcomes in individuals with ADHD.
Highly anxious people struggle to read environmental cues, leading to poor decision-making under uncertainty. They may catastrophize or have trouble adjusting to changing situations, resulting in worse choices.
A study published in PLOS ONE identified wood rats and western gray squirrels as hosts for Lyme disease-causing bacteria in California, but birds were found to be more important than previously recognized. The study also discovered a new subtype of Lyme disease spirochete, Borrelia bissettii, in birds for the first time in California.
A recent study by UC Berkeley professor Michael Manga found that geysers erupt periodically due to underground loops and side-chambers that trap steam bubbles. The study suggests that these underground features heat the water column above, eventually leading to sudden boiling and pressure release.
A new study reveals that Broca's area, traditionally considered the command center for human speech, actually switches off when we speak out loud. This finding has major implications for diagnosing and treating stroke, epilepsy, and brain injuries that result in language impairments.
The donation will be used to augment general expenses, augmenting the existing annual funding of $1.5 million. The observatory supports hands-on astronomical experiences for students and the public, with opportunities for undergraduate research and discovery.
A new UC Berkeley study shows that combining biomass electricity production with carbon capture and sequestration can store more carbon than emitted, making the western US a critical contributor to an overall zero-carbon future. The technology could reduce emissions by up to 80% by 2050 and even become carbon-negative.
Scientists at the University of California, Berkeley, found that oxygen causes titanium to become brittle by acting as bumps in the road for dislocations. This discovery has the potential to open up more practical uses of titanium in various applications, including construction and aerospace industries.
New research from UC Berkeley links positive emotions with lower levels of pro-inflammatory cytokines, which fight infection and disease. The study found that awe, wonder, and beauty promote healthier levels of cytokines, suggesting a direct influence on health and life expectancy.
A University of California, Berkeley study reveals that a 650-year period of below-average rainfall led to the abandonment of Cantona, a major city in highland Mexico. Climate change is considered one of the major causes of the collapse.
Physicists use entangled ions to test the isotropy of space, disproving anisotropy theories. The experiment shows space is isotropic to one part in a billion billion, improving upon previous experiments.
Researchers at University of California - Berkeley proved a fundamental relationship between energy and time, setting a 'quantum speed limit' on various processes. The discovery has implications for quantum computing, tunneling, and optical switching.
A recent study found that California's forest structure is undergoing changes due to a warmer, drier climate, resulting in the decline of larger trees and an increase in smaller trees. This trend is observed across all regions of the state, with oaks becoming more dominant as pines decline.
A new study from UC Berkeley found that neurotic and anxious attachment are positively correlated with better pet care, suggesting that the qualities of 'helicopter parenting' may be beneficial for pets. This is a surprising finding, as it contradicts the traditional approach to raising independent children.
Scientists have found a connection between early Stone Age slaughtering tools and the emergence of modern human communication. The study suggests that teaching and perhaps even proto-language occurred around 1.8 million years ago.
The study found that disease was the primary culprit, accounting for 26% of mass die-offs, while direct human effects and biotoxicity from algae blooms contributed significantly. The number of mass mortality events has been increasing by about one event per year over 70 years.
Researchers at UC Berkeley discovered that chronic stress activates a hormone reducing fertility long after stress ends, and blocking this hormone restores female reproductive behavior to normal in rats. The study's findings suggest the potential for a gene therapy approach to help women overcome infertility caused by stress.
Researchers found that exposure to cold temperatures increases levels of the protein Zfp516, which activates UCP1 in brown fat. Mice with boosted Zfp516 protein gained 30% less weight on a high-fat diet, suggesting a potential target for obesity and diabetes treatment.
A meta-analysis of 12 studies found that women using Depo-Provera had a moderate 40% increased risk of acquiring HIV compared to non-hormonal methods. The study's findings have significant implications for women worldwide who use hormonal contraception.
A new species of fanged frog has been discovered, giving birth to live tadpoles through internal fertilization, a rare reproductive method among frogs. The frog's unique behavior is just one example of the island's incredible biodiversity and adaptive radiation of species.
Researchers tracked golden-winged warblers' migration and found they fled breeding grounds one to two days before powerful supercell storms. The birds sensed infrasound, a low-frequency sound wave that can travel thousands of kilometers, allowing them to alter their route and avoid severe weather.
Researchers used attosecond XUV spectroscopy to capture individual snapshots of electrons transitioning from the valence shell to the conduction band in silicon. The transition takes less than 450 attoseconds, allowing scientists to study complex electronic processes that were previously too fast to be approached experimentally.
Researchers at UC Berkeley have developed a new organic optoelectronic sensor that can accurately measure blood-oxygen levels and is thin, flexible, and disposable. The device uses red and green light to detect changes in oxygen saturation levels, making it potentially cheaper and more convenient than conventional pulse oximeters.
A systematic overview of over 100 studies reveals organic agriculture yields are higher than previously estimated, with certain practices further shrinking the productivity gap. Organic farming can be a competitive alternative to industrial agriculture when it comes to food production.
A new genetic therapy has restored light response to the retinas of blind mice and dogs, offering hope for future clinical trials in humans. The therapy uses a virus to insert a gene into normally blind cells, followed by photoswitches that activate the cells when exposed to light.
Researchers found that subtle shifts in frontal and parietal lobes of the brain are linked to superior cognition. The frontoparietal network plays a key role in analysis, memory retrieval, abstract thinking, and problem-solving.
A study by University of California, Berkeley researchers found that greater income inequality is linked to more deaths among African Americans, with each unit increase resulting in an additional 27-37 deaths. In contrast, white Americans experienced fewer deaths, suggesting a protective effect for high-income whites.
Climate models predict a 50% increase in lightning strikes across the US due to global warming, which will lead to more human injuries and wildfires. The study used precipitation and cloud buoyancy data from climate models and found that these two parameters can predict lightning strikes with high accuracy.
A team of astronomers detected eight large storms on Uranus's northern hemisphere, including the brightest storm ever seen at 2.2 microns. The storms are thought to be caused by gases such as methane rising in the atmosphere and condensing into highly reflective clouds of methane ice.
A new international research review argues that government-sponsored firefighting and land-use policies encourage development on hazardous landscapes, amplifying human losses. The authors recommend adopting location-specific approaches to improve development and safety in fire-prone areas through effective land-use planning, regulation...
A simple computer model of disease spread reveals that low-long distance jump events slow the spread, while high events lead to rapid spread like with SARS. The study's findings will help epidemiologists understand complex models and also apply to other phenomena such as cancer metastases and rumors.
A new study by University of California, Berkeley researchers found that hospital acquisitions and consolidations increase patient costs in California. The study analyzed data from four years and found that per-patient expenditures were higher for physician groups in multi-hospital systems compared to those owned by physicians.
The POLARBEAR experiment uses microwave detectors to measure B-mode polarization, allowing researchers to map the large-scale structure of the universe. The team also aims to determine neutrino masses and study dark matter and dark energy.
Researchers found that heat shock factor-1 (HSF-1) stabilizes the cell's cytoskeleton, preventing misfolded proteins from accumulating in the brain. This discovery expands opportunities for therapies to prevent neurodegenerative diseases such as Alzheimer's and Parkinson's.
A new study reveals that Earth's magnetic field reversed direction in less than 100 years, approximately 786,000 years ago. This rapid reversal could have significant effects on our planet, including disruptions to electrical grids and increased cancer rates due to the loss of protection from solar and cosmic particles.
Researchers at UC Berkeley developed a novel protein-based material inspired by nerve cells, showing extreme sensitivity to environment. This discovery could lead to innovative biological sensors, flow valves, and controlled drug release systems.
A global study from University of California, Berkeley suggests that a moderately low birth rate can actually boost a country's overall standard of living. Researchers found that families bear the costs of raising children, while governments should adjust policies to accommodate population aging.
A new study at UC Berkeley found that mice fed a high-fat diet gained 18 percent less weight when drinking clarified grapefruit juice compared to water. The juice also improved glucose, insulin and triacylglycerol levels in mice.
UC Berkeley researchers have discovered how our brains merge faces for stability and continuity. By identifying a 'Continuity Field' in facial recognition, they explain why we can't tell the difference between an actor's face and their stunt double's.
A new study by University of California, Berkeley scientists found that human facial traits are more variable than other bodily traits and show higher levels of genetic variation. This is consistent with the idea that evolution has favored uniqueness in facial features to enhance recognition and social interaction.
Scientists have discovered that a single genetic change in the Bmp6 gene is associated with an increase in tooth number in freshwater sticklebacks, which can lead to cleft palate deformities. The study suggests that regulating this gene may hold the key to replacing human teeth and improving tooth formation.
A recent study by University of California, Berkeley researchers has found evidence of neural compensation in individuals with beta-amyloid deposits, a hallmark of Alzheimer's disease. This discovery could help explain how some older adults maintain normal cognitive function despite the presence of these deposits.
A conservation biologist's study provides crucial guidance for rescuing the critically endangered pupfish by establishing a captive breeding program. The research found that transferring pupfish eggs to a facility in the fall and limiting adult migrations are critical for reducing impact on the wild population.
Researchers found baby birds can right themselves in midair by pumping their wings asymmetrically, a talent that could have helped early birds develop flying skills. This innate ability, present in 25% of day-old chicks, suggests that dinosaurs took flight from trees before developing flapping flight.
Researchers at UC Berkeley identified a 'getting-by girls' subculture that skims the academic line, relying on minimal effort to maintain B-average report cards. This high school culture clashes with upper-middle-class values of striving and individual advancement.
A team of scientists has found seven tiny grains captured by Stardust, likely visitors from interstellar space. The particles are diverse in terms of chemical composition and structure, with some having a fluffy structure like snowflakes.
Researchers developed AverageExplorer to tackle vast amounts of visual data, generating an image that represents key features of multiple photos. This tool enables users to quickly sort and analyze images by giving extra weight to specific features.
Three massive volcanic eruptions occurred on Jupiter's moon Io within a two-week period, leading scientists to speculate about their frequency. The eruptions, characterized by 'curtains of fire', suggest that if observed more frequently, many more events might be seen on Io.