The study found that Inuit have special mutations in genes involved in fat metabolism, which lower bad LDL cholesterol and fasting insulin levels. These mutations also reduce height by 2 centimeters in the Inuit, a finding associated with shorter heights in Europeans.
A recent study by University of California, Berkeley researchers found that neighborhoods with higher percentages of Hispanic and African American residents had poorer air quality and closer proximity to hazardous waste sites. The study reveals stark racial disparities in environmental health hazards across California communities.
Researchers analyzed breast tissue from 239 women, comparing samples with and without breast cancer for the presence of bovine leukemia virus. They found a significant association between BLV infection and an increased risk of breast cancer, with odds ratio higher than obesity, alcohol consumption, and post-menopausal hormone use.
Researchers at the University of California, Berkeley suggest that promoting clean energy can help build key political coalitions. By providing benefits through green industrial policies, such as subsidies and tax rebates, policymakers can create stronger coalitions for decarbonizing energy systems.
Researchers at UC Berkeley have identified nonstructural protein 1 (NS1) as a key culprit responsible for fluid loss and resulting shock in severe dengue virus infections. Blocking this protein in mice protected them from lethal effects, suggesting it could be a prime target for drugs and vaccines.
A new approach uses light to move mirrors, reducing the need for external controls in LIDAR and OCT devices. This could lead to compact and lightweight components suitable for smartphones or small UAVs.
A new CT scan of Earth's interior connects deep mantle plumes to surface volcanoes like Hawaii, showing plumes are five times wider than previously thought. The scan reveals the connections between lower-mantle plumes and volcanic hotspots, including anchors at the core-mantle boundary.
Researchers at UC Berkeley conducted an experiment to detect dark energy particles called 'chameleons,' which were proposed as a possible explanation for the mysterious energy. The results narrowed the search by a thousand times compared to previous tests, ruling out certain energies and eliminating a large range of possible particles.
Researchers at UC Berkeley created an implant containing stem cells that form functional brown-fat-like tissue, reducing weight gain and lowering blood glucose levels in mice. The study's results suggest the technique could lead to new therapeutic approaches for metabolic disorders.
The octopus genome contains widespread rearrangements of genes and a dramatic expansion of genes involved in neuronal development. The research also found novel genes that may be responsible for the creature's unique camouflage abilities.
The larger Pacific striped octopus exhibits unusual hunting tactics, displaying subtle tap-like movements to startle prey. It also displays high levels of sociality, forming groups of up to 40 individuals and engaging in cooperative behaviors such as sharing meals.
A new study led by UC Berkeley researchers found that clearing non-crop vegetation around farms does not lower pathogen levels in produce. Instead, diverse habitats can encourage pollinated food crops and filter out agrichemical runoff.
A study of 214 species finds that vertical slits indicate ambush predators, while horizontally elongated pupils suggest grazing prey. Researchers believe this shapes allows for optimal vision in dim light and panoramic view.
Researchers at UC Berkeley cooled a gas to record-low entropy and temperature, allowing them to model high-temperature superconductors. This achievement could lead to the discovery of new materials with superconducting properties without requiring cooling.
A small tilt of magnets makes them viable memory chips, opening the door to a memory system that can be packed onto a microprocessor. This breakthrough could lead to computers that turn on instantly and operate with greater speed and significantly less power.
A new technology developed by UC Berkeley researchers uses light to accelerate the heating and cooling of genetic samples, greatly expanding clinical and research applications. Results can now be obtained in minutes instead of hours, revolutionizing DNA diagnostics.
A recent fungus, Bsal, threatens American salamanders with a 96% fatality rate, highlighting the urgent need for a U.S. ban on salamander imports. The fungus's spread could imperil North American ecosystems, which rely heavily on these small, often overlooked animals.
A new UC Berkeley study finds that brain rhythms synchronize within the frontal lobe to connect with other brain regions during cognitively challenging tasks. This synchronization enables quick communication between neurons, which is critical in various disorders such as Parkinson's disease and autism.
A new technique has been developed to create tens of thousands of precisely guided probes covering an organism's entire genome for less than $100 in supplies. This enables genetic screening potentially accessible to organisms less well studied, facilitating targeted gene therapy and disease discovery.
A new genomic analysis pinpoints the arrival of the first Americans to Siberia around 23,000 years ago, with subsequent migrations leading to distinct populations in North and South America. The study also reveals genetic admixture from East Asians and Australo-Melanesians, suggesting limited isolation from the Old World.
Researchers have created a 3D-printed wireless sensor that can detect signs of spoilage in food, such as changes in milk's electrical characteristics. The technology has the potential to provide food safety alerts for consumers and customize electronic devices for packaging and health applications.
The Breakthrough Prize Foundation has committed $100 million to UC Berkeley and other institutions to lead a comprehensive scientific search for extraterrestrial intelligence. The initiative, called Breakthrough Listen, will utilize radio and optical telescopes to gather and analyze data from the universe.
A UC Berkeley study found that mice who received cognitive training showed reduced preference for cocaine chambers, implying a protective effect on the brain's reward system. The results suggest that brief cognitive interventions may promote long-term resilience against drug-seeking behaviors.
Scientists at UC Berkeley and Gladstone Institutes develop a system to grow beating cardiac tissue from stem cells, allowing for the screening of drugs that may cause cardiac birth defects. The model uses patient-derived human pluripotent stem cells to mimic early heart development.
Physicists at UC Berkeley have created lightweight ultrasonic loudspeakers and microphones using graphene, allowing humans to communicate and gauge distance like bats and dolphins. The devices offer improved fidelity and efficiency compared to traditional ultrasound or sonar methods.
New research from the University of California, Berkeley, shows that humans have a nose for navigation by converting smells into spatial information. Study participants navigated relatively closely to targeted locations using only their sense of smell, even when other sensory inputs were blocked.
Researchers at UC Berkeley have developed an easy way to contain bacteria using genetic mutations that require a specific molecule for viability. The method has promise as a practical method of biocontainment and could be applied to organisms engineered to treat diseases.
Scientists at UC Berkeley have identified over 35 new groups of bacteria, revealing a diverse radiation that challenges the traditional three-domain view of life. These microbes are tiny, with some as small as 400 nanometers across, and have unique features such as small genomes and unusual ribosomes.
Astronomers confirm three supernovae existed in the dark emptiness of intergalactic space, far from their home galaxies. This discovery provides crucial insight into the formation and evolution of galaxy clusters.
A study published in Nature Neuroscience found a link between poor sleep and the accumulation of beta-amyloid protein, which is believed to trigger Alzheimer's disease. Researchers discovered that excessive sleep disturbances can lead to impaired long-term memory consolidation.
Researchers at UC Berkeley developed algorithms that enable robots to learn motor tasks through trial and error, mimicking human learning. The 'deep learning' technique allows robots to adapt to changing environments without pre-programmed details.
A recent study found that ectothermic animals have limited ability to acclimate to increasing temperatures, making them vulnerable to global warming. The research suggests that these animals will need to rely on behavioral or evolutionary changes to survive as temperatures rise.
A team of researchers has successfully engineered a yeast strain to produce morphine and potentially other drugs, including antibiotics and anti-cancer therapeutics. The breakthrough could significantly reduce the cost of drug discovery and manufacturing, but raises concerns about potential misuse and calls for urgent regulation.
Researchers at UC Berkeley discover a small-molecule drug that perks up old stem cells in the brains and muscles of mice, potentially leading to multi-tissue rejuvenation. The drug inhibits TGF-beta1, a growth factor that depresses stem cell activity with age.
A new study from UC Berkeley shows hallucinations and delusions associated with psychiatric disorders seldom foreshadow acts of aggression. Only 12% of violent incidents were preceded by psychosis, contradicting the media-fueled stereotype of homicidal mayhem.
Soil erosion and nutrient removal, exacerbated by climate change and farming practices, pose a significant risk to global food security. The authors propose recycling nutrients from waste treatment facilities and improving soil management to mitigate losses.
A new mobile phone microscope, called CellScope Loa, uses video and automation to detect and quantify infection by parasitic worms in a drop of blood. The device is as accurate as conventional screening methods and can provide critical information for health providers in the field.
A joint study reveals the power of citizen science in predicting the emergence and spread of sudden oak death, a fungus-like disease that has felled hundreds of thousands of trees in California. The SOD Blitz model, created using crowdsourced data, correctly predicts the presence of the pathogen 74% of the time.
A study using fossils to predict extinction risk identifies vulnerable ocean ecosystems and species, providing a baseline for conservation efforts. The analysis finds that animals with small geographic ranges and certain groups are more prone to extinction, highlighting the need for targeted conservation and management.
A new study reveals that California's forests and wildlands are significant carbon reservoirs, but also release more greenhouse gases through wildfires and deforestation than expected. The findings have implications for the state's efforts to meet its Global Warming Solutions Act goals.
Researchers at UC Berkeley have identified a new target for cancer drugs in messenger RNA molecules, which carry unique tags that can be targeted to regulate translation. These tagged mRNAs play a key role in controlling cell growth and differentiation, making them potential targets for new anticancer therapies.
The study found that both faults are connected, allowing for a rupture to propagate across them, resulting in a significantly more destructive earthquake. The team used satellite data to map ground deformation and measure creep along the southern end of the Hayward Fault.
A new study from UC Berkeley suggests that despite egalitarian efforts, many people still believe their destiny is tied to their station in life. Children and adults who were more influenced by caste were also more likely to believe that their own natural aptitude, academic success, and personality traits were fixed or set in stone.
The 1815 Tambora eruption, one of the largest in the last 1,000 years, killed over 60,000 people in Indonesia and led to a 'year without a summer' globally. A systematic exploration of available eruption archives is needed to better understand potential future hazards.
Researchers at UC Berkeley and UC San Francisco found that giving participants a drug that changes brain chemistry makes them more willing to divide resources equally. The study may lead to better understanding of mental illnesses like schizophrenia or addiction, and potentially diagnostic tools or treatments.
Researchers have identified a critical molecular pathway in blood stem cells that can be manipulated to enhance their regenerative capacity and reduce the signs of aging. By slowing down mitochondrial activity, they found that levels of SIRT7 can help cope with stress caused by misfolded proteins.
The smart bandage detects early tissue damage from pressure ulcers, also known as bedsores, by exploiting electrical changes that occur when a healthy cell starts dying. It uses impedance spectroscopy to create a spatial map of the underlying tissue based on the flow of electricity at different frequencies.
Researchers found that conifer species that independently evolved whirling, or autorotating, seeds settled on only one optimal single-winged design after millions of years of evolution. This design provides enhanced dispersal efficiency, especially during the Permian Period when seed dispersal by animals was virtually absent.
Researchers have used cyborg insect technology to study the behavior of giant flower beetles in flight, revealing a key muscle used for steering. The findings demonstrate improved control over the beetles' free-flying movements, with potential applications in search-and-rescue operations.
Researchers have developed a new material that can capture carbon dioxide from air more efficiently than current methods, releasing CO2 at lower temperatures. This technology could reduce energy costs by half or more for power plants and potentially be used in submarines to remove CO2 from the sea.