Researchers discovered 481 ultra-conserved elements in the human genome, which are long and evolutionarily frozen. These elements are associated with genes, particularly those involved in regulating gene expression through alternative splicing.
Researchers used advanced technology to study Weddell seals' hunting habits and physiological adaptations. They discovered that these extreme athletes can survive for hours by catching and eating prey, providing insights into conservation efforts.
A team of researchers developed an optical glucose sensor that functions as a continuous glucose monitor capable of operating under physiological conditions. The sensor shows outstanding glucose response over the full range of glucose levels, which could reduce pain, costs, and deaths in ICU patients.
Computer simulations show that wind-driven upwelling along the California coast will intensify over the next 50 years due to increased carbon dioxide concentrations. The upwelling season is expected to extend further into the fall, supporting some of the observational work showing a trend toward increased upwelling intensity.
A new study provides reliable estimates of tropical sea surface temperature changes during the Paleocene-Eocene Thermal Maximum, fitting existing climate models. The findings support greenhouse climate theory and back global warming predictions, with significant implications for understanding current climate trends.
The DEEP2 Redshift Survey has produced the first detailed maps of galaxy distribution in the early universe, revealing large-scale structures and differences in galaxy clustering. These maps show similar structures to those seen in the local universe but at an earlier stage of development.
Researchers used lead isotope ratios to identify the source of lead poisoning in albatross chicks on Midway. The study found that chicks are eating paint chips directly, leading to high levels of toxic metal in their blood, causing symptoms like droopwing.
Researchers have discovered cooperation between genetically similar but unrelated male blue-throated lizards, challenging the traditional theory of kin selection. The study found that these cooperative males exhibit higher fitness levels and improved reproductive success due to their neighborhood relationships.
A massive tsunami is predicted to hit the Atlantic Coast on March 16, 2880, as a result of an asteroid impact. The simulation models a 2-mile diameter asteroid striking the ocean at 38,000 mph, generating waves up to 400 feet high and affecting coastal areas from Cape Cod to Cape Hatteras.
Female coots can accurately count their own eggs in a mixture, rejecting parasitic eggs and altering clutch size. This remarkable feat provides insight into the complex defense mechanisms used by coots to thwart brood parasitism.
Researchers at UCSC have linked oceanographic events with rockfish recruitment patterns, finding two distinct groups of species responding differently to warm and cold water conditions. The study provides insights into the year-to-year variation in replenishment of these fish populations.
Scientists have discovered a hydrothermal siphon connecting two seamounts in the northeast Pacific, allowing water to flow northward over 50 kilometers. This phenomenon has significant implications for understanding heat flow through the crust, ocean chemistry, and microbial communities living on the ocean floor.
Researchers developed a numerical model that explains the emergence of various patterns, including stone circles and labyrinths, through the interaction of two mechanisms: lateral sorting and squeezing. The relative strengths of these processes, along with factors like soil compressibility and stone size, determine the resulting pattern.
A new study reveals that mercury in California rainwater originates from industrial emissions in Asia, particularly coal combustion and ozone production. High concentrations of mercury were found in coastal and inland sites, with urban smog influencing the oxidation rate.
Researchers developed a new technique to analyze RNA splicing in yeast, revealing the complex process of gene expression. By studying yeast genes with DNA microarrays, they gained insights into alternative splicing and its role in human diseases.
Adaptive optics systems are expanding ground-based astronomy capabilities, enabling unprecedented views of the universe. The technology has already produced eightfold improvements in image quality at observatories like the W.M. Keck Observatory in Hawaii.
Researchers are using adaptive optics to study microscopic structures in human eyes, improving diagnosis of retinal diseases like macular degeneration and glaucoma. AO-based devices also enable precise measurement of optical aberrations, leading to customized contact lenses and guided laser surgery.
Researchers found that the interaction between Lithophragma parviflorum and Greya politella is a rare example of coevolution in action, with outcomes ranging from mutualism to antagonism. The study highlights the importance of considering large geographic scales to understand how coevolution shapes biodiversity.
A new climate study reveals California's increased risk of warmer temperatures, smaller snowpacks, and altered water supplies due to rising carbon dioxide levels. The research offers precise regional specificity and statistical analysis, providing a more reliable basis for planning climate change mitigation strategies.
Researchers have discovered a new class of objects in two nearby galaxies, NGC 1023 and NGC 3384. These 'faint fuzzies' are thought to be about the same age as globular clusters but look and act differently, with sizes ranging from 50 to 100 light-years across.
A new study published in Science supports the idea that Asia was the center of origin for key groups of modern mammals, including primates and hooved mammals. The research allows paleontologists to compare fossil sequences from Asia, Europe, and North America during a dramatic period in Earth's history.
The DEIMOS instrument will multiply the power of current Keck spectroscopy by a factor of seven, enabling observations of distant galaxies and shedding light on the formation and evolution of galaxies. With its massive detector and advanced optics, DEIMOS will create the most comprehensive map of the distant universe ever attempted.
Golden eagles colonized Santa Cruz Island due to an abundance of feral piglets, preying on island foxes and decimating their population. Skunk populations are booming as a result, thanks to reduced competition from foxes.
Researchers have detected a rigid material within the fluid outer core, with implications for Earth's magnetic field and rotation axis. The discovery was made using advanced seismic tomography techniques.
The Center for Informal Learning and Schools (CILS) aims to prepare leaders in informal science education, conduct research, and provide professional development opportunities. Researchers will examine innovative methods of science teaching and design creative learning environments.
Researchers find nitrogen-fixing cyanobacteria in Pacific Ocean water samples near Hawaii, contributing significantly to ocean nitrogen fixation. The newly discovered bacteria are more abundant and active than previously thought, with potential implications for global warming.
Toxic algal blooms in Monterey Bay have been linked to domoic acid accumulation in anchovies, sardines, and krill, posing a threat to endangered whale species. Monitoring programs are in place to ensure seafood safety, but more research is needed to understand the toxin's effects on wildlife.
Researchers have found evidence of an extreme warp in the stellar disk of the Andromeda Galaxy, which may be the most extreme case of a warped spiral galaxy. The findings suggest that interactions between Andromeda and its satellite galaxies could be responsible for the warp.
Two new studies by researchers at the University of California, Santa Cruz, link El Niño winters to increased coastal erosion and shifting sands along California's central coast. The findings show that damaging coastal storms are three times more likely to occur during an El Niño winter than in other years.
A study by Slawek Tulaczyk and Marion Bougamont reveals that the West Antarctic ice stream may slow down and stop moving altogether, leading to thinning and shrinking of the ice shelves. This could have dramatic consequences for global ocean circulation and climate.
Researchers found that low-level manganese exposure accelerates Parkinson's symptoms in rats with pre-Parkinsonism, highlighting the need for further studies on toxic substance effects. Manganese toxicity targets different brain regions, exacerbating neurodegenerative diseases like Parkinson's.
Research on fossil Teleoceras teeth suggests a semi-aquatic lifestyle for the ancient rhinoceros, mirroring that of modern hippos. The study's findings indicate low variability in oxygen isotope compositions among aquatic mammals, contrasting with higher variability in land animals.
A study published in PNAS reveals that lead contamination in San Francisco Bay will continue to affect the environment for decades due to the persistence of contaminated soils and sediments. Researchers found that lead from past gasoline emissions still accounts for most of the lead in water samples, with limited mobility out of the bay.
The University of California and Caltech are designing a 30-meter telescope called the California Extremely Large Telescope (CELT) to study distant galaxies and star formation. The telescope will have a segmented primary mirror made up of 1,080 small hexagonal mirrors, and its cost is estimated to be around $500 million.
Researchers found that marine mammals take advantage of buoyancy changes with depth, allowing them to glide rather than swim during deep dives. This strategy enables animals to extend their dives and conserve energy.
Research suggests that urea from urban and agricultural runoff may trigger or sustain harmful algal blooms found off California's coast. The study found that a specific type of algae, Lingulodinium polyedrum, prefers urea over other nutrients.
A three-dimensional computer simulation of the geodynamo was achieved in 1995, revealing how Earth's magnetic field is generated. The model shows that the magnetic field reverses polarity every few hundred thousand years due to nonlinear, chaotic behavior.
Scientists are using bioinformatics to analyze the vast amounts of data from the Human Genome Project, identifying genes and understanding their functions. The development of effective computational techniques is crucial for tackling this complex task.
Six new planets have been discovered orbiting nearby stars, bringing the total number of known planets outside our solar system to 28. The newly discovered planets are located within the habitable zones of their stars and have temperatures suitable for liquid water to exist in one case.
Researchers at UCSC have obtained detailed images of the complete structure of the ribosome, a tiny molecular machine responsible for translating genetic code and synthesizing proteins. The new images show how different parts of the ribosome interact with each other and with molecules involved in protein synthesis.
Researchers used supercomputer simulations to test two competing scenarios explaining high-redshift galaxies. The collisional starburst scenario, which suggests small galaxies trigger intense bursts of star formation, received strong support from the simulation results.
Researchers found that rigidity of rock and sediments increases with depth in subduction zones, affecting earthquake duration and seismic waves. This discovery provides a powerful tool for seismologists to improve earthquake probability calculations and better understand destructive earthquakes.
Researchers at IBM Almaden Research Center and University of California, Santa Cruz, have discovered novel compounds that enable precise control over polymerization reactions. This breakthrough promises to create new materials with complex molecular architectures and specific qualities.
Theorists contemplate the impact of modern cosmology on Western society, noting a lack of social consensus and rootlessness. Joel Primack presents a new symbol, the cosmic uroboros, to embody an image of the cosmos consistent with modern science.
Scientists at UCSC discovered the origin of the Hawaiian plume, a massive hot rock rising through the Earth and building islands for 80 million years. The research uses seismic waves to analyze the structure beneath Hawaii, revealing a localized transition from horizontal to vertical flow at the core-mantle boundary layer.
Killer whales have begun preying on sea otters in western Alaska, leading to a decline in sea otter populations and an increase in sea urchin numbers. This chain of events is linked to the collapse of seals and sea lions, which are the killer whales' usual prey.
Researchers gather to explore progress and challenges in implementing the Comprehensive Test Ban Treaty's verification regime, covering seismic, infrasound, hydroacoustic, and radionuclear data. The goal is to detect even tiny nuclear events, making it as difficult as possible for them to slip through.
Researchers have exposed the precise interactions between antibiotics and bacterial ribosomes, revealing a 'lock-and-key' system that sheds light on antibiotic effectiveness and resistance. The study highlights the importance of targeting RNA in cells and provides potential strategies for designing new, less toxic drugs.
The Katzman Automatic Imaging Telescope (KAIT) is a fully robotic telescope that can track a given area of the sky for hours and detect objects 10,000 times fainter than other telescopes. KAIT will enable astronomers to conduct nightly studies of changing celestial objects remotely.
Researchers at UC Santa Cruz found seismic evidence suggesting a partially molten layer in the lower mantle, which could fundamentally change our understanding of the core-mantle boundary. The suspected layer, between 5-40 kilometers thick, may conduct electricity more readily than solid rock and influence the planet's magnetic field.