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.
Physicists at UC Berkeley have demonstrated a way to follow the 'life history' of a quantum system, allowing for continuous error correction. This technology could enable steering quantum evolution and optimizing chemical reactions.
Researchers at UC Berkeley are developing a vision-correcting display that uses computation to compensate for individual visual impairments. The technology has the potential to transform lives of people with high-order aberrations and presbyopia, enabling them to use smartphones, tablets, and computers without corrective lenses.
A new policy paper highlights how declining wildlife populations drive violent conflicts, organized crime, and child labor worldwide. Biologists must join forces with experts from various fields to address this complex challenge.
Researchers at UC Berkeley developed a tiny laser sensor that can detect minute concentrations of explosives, including pentaerythritol tetranitrate, an explosive favored by terrorists. The device has the potential to replace traditional bomb-screening methods and could also be used to detect unexploded land mines.
A new big data model developed by UC Berkeley biologist Brent Mishler and colleagues leverages digitized museum data to help pinpoint best areas for preservation and understand evolutionary history. The model considers variation among species, geographic rarity, and endemism to identify areas worthy of conservation.
Scientists have discovered that Tibetans inherited a gene from their extinct human cousin, the Denisovans, which helps them adapt to high-altitude plateaus with low oxygen levels. This variant of the EPAS1 gene allows Tibetans to survive at elevations above 15,000 feet without cardiovascular problems.
A new study at UC Berkeley reveals that people perform better with tactile technology when using multiple fingers and hands, especially for visually impaired participants who outmaneuvered their sighted counterparts
Lindsey Dougherty, a University of California graduate student, has discovered the source of the disco clam's flashing light show - tiny silica nanospheres on its mirrored lip. The nanospheres reflect blue light, creating the clams' distinctive rippling display.
A team of computer theorists and evolutionary biologists identified an algorithm to describe the strategy used by genes during sexual recombination, addressing a long-standing paradox in evolution. The multiplicative weight update algorithm helps explain how natural selection and diversity interact.
Researchers found that genetic variants in dopamine-regulating genes influence strategic thinking, with three genes linked to belief learning and two genes linked to trial-and-error reinforcement learning. The study's findings have implications for understanding diseases like schizophrenia and social interaction disorders.
Researchers discovered oxytocin's indispensable role in healthy muscle maintenance and repair, finding that it declines with age in mice. Administering oxytocin improved muscle healing in old mice, while blocking its effects compromised their ability to repair tissue.
Researchers have found that blocking a pain receptor in mice extends their lifespan and boosts their metabolism, including an improved insulin response. This discovery provides potential insights into treating obesity and diabetes, as well as improving metabolic health.
Researchers at UC Berkeley have discovered the mechanism by which Taxol interferes with microtubule polymerization, preventing cell division in cancer cells. This finding could lead to the development of better anticancer drugs and improvements to existing treatments.
A recent study found a 46% drop in Central Valley wintertime fog days between November and February, which is crucial for fruit and nut crops. The researchers suggest climate forecasts indicate continued decline in winter chill accumulation, prompting farmers to consider adjusting orchard locations.
A new study has found that flame retardants are prevalent indoors in preschools and day care centers, potentially exposing young children to hazardous chemicals. The study reveals high levels of PBDEs and tris phosphate compounds in dust samples, with concentrations often higher in facilities with foam equipment.
Groundwater pumping has raised Sierra Nevada mountain range by up to 6 inches over the past 150 years. The seasonal changes in the Central Valley aquifer have been linked to microquakes on the San Andreas Fault.
A genome comparison reveals polar bears' rapid evolution to cope with a high-fat diet, providing insight into fatty acid metabolism and cardiovascular function. The study's findings may offer tools to modulate human physiology and protect against the ill effects of high-fat diets.
Researchers propose a method to determine underground details without drilling, improving climate models and predicting water runoff, landslides, and plant response to climate change. The technique uses groundwater drainage to predict weathered bedrock thickness across landscapes.
A new study found that paper wasps with variable facial patterns have more acute vision relative to size than those without, suggesting that social communication drove the evolution of larger compound eyes. This discovery extends the idea that feedback from the environment can drive changes in sensory capabilities.
A new study finds that supporting sustainable cattle ranching practices in Brazil could significantly reduce deforestation and greenhouse gas emissions. By subsidizing productive land use and taxing unsustainable practices, Brazil could halve its deforestation rate and shave off 25% of global emissions.
A new study of 36 species found that brain volume – not body size – is the key to self-restraint. Animals with varied diets showed superior cognitive powers, while those with larger brains were more likely to inhibit counter-productive behavior.
A team of researchers found that losartan, a commonly used hypertension drug, prevents post-traumatic seizures in a rodent model of the disease. The study suggests that blocking the TGF-beta receptor with losartan stops the cascade of steps that lead to localized inflammation and permanent brain damage.
A graduate student at UC Berkeley is using a new technique to recreate the appearance of ancient plants, shedding light on their evolution. The study, led by Jeff Benca, uses fossil fragments to create lifelike images of extinct plant species, including Leclercqia scolopendra, a centipede clubmoss from the Devonian Period.
A new family tree of hummingbirds reveals a rapid diversification rate, with over 140 new species emerging in the Andes and more than 338 recognized species worldwide. The study shows that hummingbirds continue to evolve and generate new species today, driven by coevolution with plants.
Scientists found a 'continuity field' that smooths out object features, allowing us to perceive stability in the real world. This discovery explains why we often miss subtle changes in movies and everyday life.
A new analysis found that industry-sponsored inventions yielded patents and licenses more frequently than federally sponsored ones, with results consistent across technical fields. Industry-funded inventions generated an average of 12.8 forward citations compared to 5.6 for federally sponsored inventions.
A rapid succession of coronal mass ejections sent a pulse of magnetized plasma towards Earth, potentially causing widespread disruptions to the electrical grid and disabling satellites. Fortunately, the event occurred just nine days too late, narrowly missing the planet.
Researchers at the University of California, Berkeley, used electrical current to direct the movement of epithelial cells, a breakthrough that could lead to controlled forms of tissue engineering. The study demonstrates the potential for 'smart bandages' that use electrical stimulation to aid wound healing.
Researchers have successfully used flawed but colorful diamonds as sensitive magnetometers to study high-temperature superconductors. These diamond sensors can measure tiny magnetic fields in exotic materials and even human tissue, offering a new tool to explore the physics of these poorly understood materials.
Preschoolers outperformed college students in figuring out cause-and-effect relationships using an unconventional game, thanks to their flexible thinking and ability to consider unlikely possibilities. The study suggests that young children's exploratory learning skills can be leveraged to improve machine learning.
Scientists studying the closest, brightest supernova in decades discovered it exhibited unusual characteristics, including rapid brightening. The findings may provide new clues to how stars explode and improve distance measurements, constraining the nature of dark energy.
Peru's Manu National Park has been recorded with 287 species of reptiles and amphibians, surpassing the previous record in Yasuní National Park. The park's high species diversity is attributed to its large area and steep topographic variation, despite being only 0.01 percent of the planet's land area.
The NuSTAR mission has produced the first map of high-energy X-ray emissions from a supernova remnant, revealing details about the core explosion and its effects on the surrounding gas and dust. The observations provide new insights into the fundamental physics of nuclear explosions and their role in creating life's essential elements.
A new study by UC Berkeley researchers found a correlation between northern latitude and higher levels of obesity-linked bacteria in the gut. The analysis of over 1,000 people from around the world revealed that those living in colder regions had more Firmicutes and less Bacteroidetes in their gut microbiomes.
Researchers found that chronic stress generates more myelin-producing cells and fewer neurons in the brain, disrupting communication and potentially leading to mental problems like anxiety and depression. This long-term change in brain structure may also contribute to conditions such as PTSD, schizophrenia, and ADHD.
Scientists at UC Berkeley and NIH have captured a high-resolution snapshot of the Nef protein, which hijacks host proteins to facilitate HIV's lethality. By blocking a promising target on host protein AP2, researchers aim to slow or stop HIV.
Researchers developed a mobile app and biosensors that can detect volatile chemicals by analyzing color patterns on the sensor's surface. The biosensors use a turkey-inspired design that changes color when exposed to different chemicals, allowing for easy identification of toxins.
Researchers have found that the Y chromosome retains key genes essential for male fertility, contradicting theories of its demise. The study, which analyzed Y chromosomes in African and European men, suggests that natural selection has played a crucial role in maintaining the gene content on the Y chromosome.
A new study by UC Berkeley researchers finds that suburban sprawl cancels out the carbon footprint savings of densely populated cities, with suburbs accounting for 50% of household emissions. Interactive maps show striking differences between urban cores and surrounding suburbs, highlighting the need for tailored climate action plans.
Researchers aim to improve social science research by adopting stringent transparency standards, including data documentation, pre-analysis plans, and open archiving. This shift aims to reduce errors, increase credibility, and promote evidence-based policy making.
The Neanderthal genome shows a long history of interbreeding among early humans in Europe and Asia, with an estimated 1.5-2.1% of modern non-African genomes tracing back to Neanderthals. The study also reveals Denisovan genes in modern human populations, particularly in Oceanic and Asian groups.
Astronomers have successfully imaged individual stars in a nearby binary star system using a new instrument that combines adaptive optics and interferometry.
A UC Berkeley study found that shoppers spend more money when engaged in a 'pay-it-forward' chain of goodwill than when they can name their own price. The results shed light on the psychological and social forces guiding consumer decisions beyond getting the best deal.