A new study reveals that climate change is impacting human health, food supply, infrastructure, and economy through 467 ways, including warming, drought, heatwaves, wildfires, precipitation, floods, and sea level rise. By 2100, the number of hazards occurring concurrently will increase, making it difficult for people to cope.
A new study finds that Bitcoin's heavy hardware requirements and large electricity demands could produce enough emissions to warm the planet above 2°C in just 22 years. The use of bitcoins emitted 69 million metric tons of CO2 in 2017.
Researchers found widespread strike-slip faulting on Ganymede, indicating complex geologic activity in the past. This discovery improves our understanding of Ganymede's tectonic history and its neighbor Europa's potential for hosting life.
A new study developed a novel concept that overcomes the critical heat flux limit, allowing for more efficient cooling in extreme conditions. The researchers discovered that coating hot surfaces with nanoscale bimorphs enhances boiling heat transfer, potentially preventing nuclear power plant accidents.
A team of researchers found that land area in Hawai'i vulnerable to future sea level rise may be double previous estimates. The 'bathtub' model underestimates the full extent of potential damage due to sea level rise, particularly on Hawaii's high-energy coasts.
Researchers at University of Hawaii at Manoa discovered that phosphates, a key element in life's building blocks, were generated in outer space and delivered to early Earth via meteorites or comets. This breakthrough suggests that the origins of life on Earth may have been influenced by extraterrestrial materials.
A team of scientists has found direct evidence for surface-exposed water ice on the Moon, with patchy distribution and smaller abundance compared to other planetary bodies. The discovery was made using data from the Moon Mineralogy Mapper onboard India's Chandrayaan-1 mission.
Researchers found a novel approach combining manual removal and native urchin outplanting effective in reducing invasive macroalgae on Hawaiian coral reefs. The method reduced algae growth by 85% over two years without harming corals or other reef species.
Researchers discovered that common plastics emit greenhouse gases methane and ethylene when exposed to sunlight. Polyethylene, the most produced synthetic polymer globally, was found to be the most prolific emitter of these gases.
A recent study predicts the widespread presence of rat lungworm in Hawaii's islands and its expansion into higher elevations as climate warms. Researchers used molecular techniques to screen snails and slugs across the islands, finding the parasite in numerous species on five of six largest islands.
A recent study by Anna Neuheimer and colleagues found that adult fish adjust their spawning time to match the timing of their prey, allowing their offspring to survive. This adaptation is crucial for population size and future fisheries catch, as it enables young fish to meet their food needs in a seasonal environment.
Scientists have found a new exoplanet, 2MASS 0249 c, that is nearly identical to the well-studied gas-giant planet beta Pictoris b. The two planets share similar mass, brightness, and spectrum but differ in their formation environments, with one orbiting a bright star and the other a pair of faint brown dwarfs.
Using Hawaii-based telescopes, scientists have identified TXS 0506+056 as a known blazar source of high-energy neutrinos. The discovery uses a combination of ground and space-based observatories to pinpoint the source's location.
A team of astronomers led by Marco Micheli and Karen Meech found that Oumuamua was not slowing down due to gravitational forces alone, pointing to non-gravitational perturbations similar to those experienced by comets. Despite initial classification as an asteroid, the object's trajectory and behavior are more consistent with a comet.
Researchers have found evidence of pre-solar interstellar dust in glassy grains called GEMS, which were formed in a cold environment. The discovery provides insight into the solar system's formation and the processes that created the planets.
Researchers have linked the ecology of adult fish populations inhabiting coral reefs with the dispersal of baby fish between reefs, revealing a complex network called a marine metapopulation. The study found that successful larval dispersal was crucial for replenishing key reefs.
A recent study by researchers from the University of Hawaii at Manoa found that nutrient pollution accelerates ocean acidification's negative impacts on coral reefs. This increases calcification rates, disrupts natural chemical dynamics, and promotes seaweed growth over corals.
A recent study by researchers at the University of Hawaii at Manoa identified areas with high recovery potential for coastal fishery stocks on each island. The study reveals that areas such as east Kaua'i, southeast O'ahu, and Ma'alaea bay support abundant fish populations, which could be replenished to overfished areas.
A new virus has been discovered in the waters of Oahu, Hawaii, which infects common marine algae and contains the largest genome ever sequenced for a viral infection. The virus, named TetV-1, appears to have picked up genes from its host, allowing it to survive in low-oxygen conditions.
Research at the University of Hawaii at Manoa found a strong connection between sea surface temperature patterns and increased cyclone activity in the northwestern Pacific Ocean. Dominant equatorial easterly winds caused cyclonic circulation, favoring storm formation and intensification.
Historical Hawaiian-language newspapers have been digitized, revealing new information about the 1871 hurricane's impact on Hawaii. The translations uncovered a timeline of the storm's progression and descriptions of widespread destruction.
A recent study found that high levels of submarine groundwater discharge (SGD) can harm coral reefs by causing stress and accelerating bioerosion. However, when SGD is at low levels, corals can actually thrive on the reef, suggesting a potential solution to mitigate reef degradation in urban areas like Maunalua Bay.
A new study calculates pandemic-related deaths of 700,000 and annual economic losses of $500 billion, according to a theoretical model applied to rare pandemic scenarios. The estimated costs fall within the Intergovernmental Panel on Climate Change's estimates of global warming costs.
Researchers successfully transplanted beneficial microbes from a healthy, related species to a critically endangered Hawaiian plant, Phyllostegia kaalaensis. The treatment provided significant protection against powdery mildew disease, allowing the plants to thrive in the wild for the first time.
Researchers discovered that ciliated tissues in mammals selectively recruit beneficial microbes called symbionts and clear out toxic molecules. This mechanism provides insight into the basic function of cilia surfaces and may aid development of ways to foster beneficial bacterial partners.
A new gene catalog of ocean microbes has revealed nutrient limitation as a central driver in the evolution of their genomes. The study found that microbial genomes change drastically with depth, adapting to varying levels of nitrogen availability.
Researchers map galaxy motions to locate denser matter in clusters and filaments, revealing the cosmic velocity web's structure. The new definition provides strong confirmation of gravitational attraction's role in universe development.
Using infrared satellite data, researchers have successfully predicted the end of lava flow-forming eruptions. The system detects heat emissions from erupting volcanoes and analyzes them to determine when the eruption will end. This approach has significant implications for reducing disturbance caused by volcanic eruptions.
Researchers found hundreds of new species of fungi living in association with algae in mesophotic coral ecosystems. The discovery reveals the remarkable ability of some fungi to tolerate and thrive in extremely different habitats.
A study published in Nature Climate Change warns that 74% of the world's population will face deadly heatwaves by 2100 if current emissions continue. Researchers found a common threshold beyond which temperatures and humidities become lethal, with tropical areas projected to bear the greatest risk.
Researchers will develop coral disease forecasting models for Hawai'i, U.S.-affiliated Pacific Islands, and the Great Barrier Reef using field work, experimental data, and satellite information. The project aims to identify local environmental stressors increasing disease susceptibility and prioritize management practices.
Researchers have determined the origin of the 1586 Sanriku tsunami that hit Japan, tracing it to a mega-earthquake in the Aleutian Islands. The study used coral fragments dated to the 16th century and found a precise age of 1572±21 years.
A regional climate model predicts that future Hawaiian snowfalls will decrease dramatically, with average winter snowfall expected to be ten times less than present day amounts by the end of the century. The study provides insights into the benefits of model downscaling and highlights the need for monitoring climate change in the region.
Researchers at the University of Hawaii have found that man o' war sting first aid should be based on evidence, not traditional practices. Vinegar rinses and hot water treatments are effective in neutralizing venom and reducing pain, while seawater rinses can worsen stings.
A new study reveals that much of Honolulu and Waikiki is at risk of groundwater inundation due to sea level rise. Groundwater levels are expected to rise by up to two feet, leading to flooding in the urban core, with 86% of active cesspools likely currently inundated.
Scientists have discovered novel viruses in oceanic basement fluids, infecting microorganisms and influencing the chemical balance of oceans. The study provides insights into the origins of life and the role of viruses in shaping life on Earth.
New study reveals commonly recommended first aid actions for jellyfish stings can actually increase venom injection, leading to more severe pain and scars. The team recommends rinsing with vinegar or plucking tentacles off with tweezers as alternative treatments.
Researchers have discovered that geostrophic balance becomes invalid at smaller scales, making sea level data unreliable for calculating ocean circulation. At high resolution, sea level can accurately calculate circulation in areas with persistent eddies, but not in areas dominated by internal waves.
Hawai'i researchers found that high levels of nutrients in coastal groundwater correlate with reduced reef health and increased algae blooms. This study identifies Kahului Wastewater Reclamation Facility as a major source of pollution, threatening nearshore ecosystems.
Researchers developed a computer model to understand the metabolic capabilities of Prochlorococcus, revealing extensive alterations to its metabolism to reduce dependence on phosphorus. The study found that this adaptation provides a growth advantage for the microbe in phosphorus-limited regions of the ocean.
A new study calculates climate sensitivity using Earth's paleoclimate data, finding that warm climates are more sensitive to CO2 changes. The researchers project a 5.9°C warming by 2100, overlapping with IPCC estimates and emphasizing the need for immediate greenhouse gas emission reductions.
A team of earth scientists evaluated how various processes affect past measurements, revealing that many high-quality historical records are from locations with reduced local sea level change compared to the global average. This suggests a minimum 14cm increase in global sea level rise during the 20th century.
Scientists discovered an abundant and diverse ecosystem on the seafloor of the Clarion-Clipperton Zone, where deep-sea mining is planned. The study found that more than half of the species collected were new to science and relied on polymetallic nodules.
Researchers identified a key gene in vinegar flies responsible for their waterproof coating, which could provide a new way to control insect pests threatening agriculture and humans. By knocking out this gene, the insects lose their waxy coating and become more vulnerable to environmental stress.
Scientists have identified good bacteria as vital to coral health, enabling corals to recover from bleaching caused by rising temperatures. The study highlights the importance of understanding bacterial communities on corals to ensure long-term survival.
Researchers from the University of Hawaii at Manoa used a statistical technique to extract large-scale vertical motions of the local crust from GPS data. The study found nearly 125 mile-wide lobes of uplift and subsidence straddling the fault system.
A special issue of Deep Sea Research II explores the global issue of chemical munitions dumped at sea, finding that while some munitions pose little risk to humans, others can have adverse effects on fish populations. International collaboration has shed light on techniques for investigating munitions dumpsites and mitigating damage.
A new study by University of Hawaii researchers found that dinoflagellates can stress copepods, reducing their energy for growth, reproduction, and lipid biosynthesis. This impacts the food source for young fish and potentially affects fisheries.
Research finds that intact coral reef areas with extensive live coral cover harbor the greatest amount of genetic diversity, supporting targeted protection of reefs throughout the Hawaiian Islands. Genetic diversity varies across the region, highlighting the need for diverse conservation approaches.
Researchers identified key components of the molecular toolkit that allow corals to build their skeletons, shedding light on the transformation from larval stage to adult coral. This knowledge is crucial for understanding how corals respond to ocean acidification, rising sea surface temperatures, and pollution.