A University of Colorado Boulder-led study confirms that climate factors limit species expansion in stressful environments, but interactions with other species play a crucial role in shaping range limits. The researchers found that stress impacts plant growth, survival, reproduction, and germination, which drives the pattern.
A University of Colorado Boulder student-built satellite has solved a 60-year-old mystery regarding the source of energetic and potentially damaging particles in Earth's radiation belts. The study found that these particles are created by cosmic rays entering the atmosphere, producing charged particles trapped by Earth's magnetic field.
A study predicts that global wind power resources may decrease in the Northern Hemisphere's mid-latitudes and increase in the Southern Hemisphere and tropics by 2100. However, if emission levels are mitigated, wind power production in these regions may not see a corresponding increase.
CU Boulder's Total and Spectral Solar Irradiance Sensor (TSIS-1) instrument suite is set for launch on a SpaceX Falcon 9 rocket, aiming to monitor the planet's climate by measuring solar radiation. The mission will help distinguish between natural and human influences on climate, with implications for understanding Earth's processes.
Researchers at the University of Colorado at Boulder are developing a new laser microscopy technique to study the progression of neurodegenerative diseases like Alzheimer's. This technique, which involves shooting pairs of photons deep into brain tissue, may enable earlier diagnosis and better treatment options.
Researchers have discovered a potent drug-like compound that inhibits Toll-like receptor 8, a key player in autoimmune diseases. The compound, CU-CPT8m, exerts potent anti-inflammatory effects on tissue, offering a potential breakthrough for treating rheumatoid arthritis and other autoimmune conditions.
The study reveals that a human protein called TRIM25 acts as an early defense mechanism, recognizing the unique structure of the flu virus and preventing its replication. However, the NS1 protein produced by the flu virus blocks this function, enabling the virus to evade the immune response.
A review of over five dozen studies reveals that excessive screen time in youths aged 5-17 is associated with delayed bedtimes, fewer hours of sleep and poorer sleep quality. Biological, neurological and environmental factors contribute to the negative impact of digital media on sleep patterns.
Researchers aim to understand the evolution of our solar system by studying 'hot Jupiters', gas giants orbiting close to their parent stars. They will measure escaping gases and look for evidence of magnetic fields on these planets.
A University of Colorado Boulder study found more than 1,800 earthquakes in southern Colorado and northern New Mexico between 2008 and 2010 were likely caused by fluids pumped deep underground during oil and gas wastewater disposal. Elevated pore pressures in the basement rock underlie the Raton Basin's oldest stratified layers.
New research reveals light-activated nanoparticles can re-potentiate existing antibiotics for certain clinical isolate infections. The nanoparticles release superoxide, making bacteria more susceptible to the original antibiotic and reducing effective resistance by a factor of 1,000.
A 75-year analysis of aerial photos reveals Greenlandic deltas are growing due to warmer temperatures. The study alters previous understanding of Arctic coast climate change effects.
A new study found that Twitter is a hub of anti-vaccine sentiment, particularly in affluent regions. The research used machine-learning algorithms to analyze over half a million tweets between 2009 and 2015, finding that half of online discussions about vaccines were negative.
A new University of Colorado Boulder study found that some large plant-eating dinosaurs in present-day Utah ate crustaceans on purpose, possibly for protein and calcium sources. The evidence comes from fossilized feces samples containing thick bits of fossilized shell, indicating the crustaceans were living in decaying wood.
CU Boulder scientists, led by Professor Larry Esposito, will continue to study Saturn's rings, moons and atmosphere using the Ultraviolet Imaging Spectrograph (UVIS) instrument on the Cassini-Huygens mission. The team has made numerous discoveries, including the detection of oxygen atoms in Saturn's system and water plumes from Enceladus.
Researchers at CU Boulder are creating a comprehensive digital archive of over 1.7 million plant specimens native to the southern Rocky Mountain region, providing a rich trove of information for scientists and educators. The project aims to standardize specimen data, correct errors, and inform public land management efforts.
Researchers used a network approach to analyze the polygonal patterns in clouds, finding that they can be re-created using a simple mathematical model. This new method promises to help scientists improve the accuracy of cloud descriptions in computer models, which is crucial for climate projections.
Scientists found caterpillars have only 50,000 times fewer microbes than human guts, suggesting most are ingested from surroundings. Caterpillars can grow and develop without microbes, challenging the idea of a universal microbiome among animals
Recent research by University of Colorado Boulder professor Patrick Ferrucci reveals that racial stereotypes continue to shape public perception of NFL quarterbacks, with black players often being described in terms of physical strength and natural ability. The studies found that social identity theory and implicit racial bias contribu...
A new study by CU Boulder researchers found that individual bacteria cells can feel their external environment through electrical signals, similar to vertebrates. This discovery could advance fundamental bacteria research and aid in developing drugs for infectious diseases.
Studies of microbe DNA structure reveal surprising similarities to human DNA folding, suggesting an early common ancestor. The discovery hints at the evolutionary origins of genome folding in eukaryotes.
A study using ancient DNA from domesticated turkeys found that many Ancestral Pueblo people migrated to the Northern Rio Grande region after Mesa Verde's collapse. The genetic composition of northern Rio Grande turkeys changed substantially before and after the migration, suggesting the people took their turkeys with them.
A 2002 extreme melt season triggered long-term ecological changes in Antarctica's McMurdo Dry Valleys, altering the trajectory of an ecosystem over several years. The study highlights the importance of decadal data records in understanding how organisms respond to abrupt climate events.
Researchers at CU Boulder have revamped a World War II-era magnesium production process that requires half the energy and produces a fraction of the pollution compared to current leading methods. The breakthrough could improve the production of strong, lightweight metal used in various applications.
A new study by CIRES and NOAA researchers found that the spring snowmelt has arrived nearly three days earlier every decade from 1975 to 2016, while the first snow has been happening later. The end result is an increase in length of the snow-free season by about one week per decade.
Marriages with significant spousal age gaps experience declining marital satisfaction over time, particularly after 6-10 years. Couples with large age gaps are more susceptible to economic shocks, leading to increased marital dissatisfaction.
Researchers are studying two lesser-studied primate species in a temperate environment, using thermal imaging cameras and high-tech methods. Preliminary data show human-induced threats, such as temperature fluctuations, affecting the primates' health and conservation status.
Researchers found that two more degrees of warming are already committed to by past emissions, regardless of current efforts. Even if all fossil fuel emissions stopped, warming would still reach about 2.3 degrees Fahrenheit by 2100.
Researchers developed a simple, cost-effective way for hospitals to increase their capacity to contain airborne illnesses. By sealing off a hospital wing and adjusting ventilation systems, hospitals can reduce the spread of diseases. The new solution enables small community hospitals to prepare for rapidly spreading airborne illnesses.
A new study published in the International Journal of Epidemiology found that drug-related deaths have skyrocketed among middle-aged white men, increasing by over 25-fold between 1980 and 2014. The researchers argue that economic insecurities and an 'obesogenic' environment are contributing factors, rather than 'despair deaths'.
A new CU Boulder study reveals that a protein called CPR-4 is responsible for the radiation-induced bystander effect, which can damage healthy cells. Researchers hope to develop a medication to inhibit this effect, allowing doctors to minimize side effects and enhance cancer cell killing.
A new study suggests that a massive asteroid impact early in Mars' history could explain the planet's unique geological features. The research proposes that an asteroid at least 1,200 kilometers across crashed into Mars, depositing rare metals and creating the planet's hemispheres.
Scientists are calculating environmental and human impacts of a potential nuclear war using sophisticated climate models and supercomputers. The team aims to provide a solid scientific analysis of the issues, including impacts on agriculture, food availability, and migration activity.
A new CU Boulder study found that children with hearing loss who receive interventions by 6 months develop a greater vocabulary than those diagnosed later. Nearly half of babies with hearing loss aren't meeting early detection guidelines.
Researchers have found that significant amounts of black carbon can persist in both pristine and non-pristine areas of snow, impacting climate change predictions. The study used molecular analysis to track the origins of black carbon, finding evidence of wildfires burning thousands of miles away in remote areas.
A study found that empathetic touch can synchronize heart rates and breathing between partners, reducing pain during childbirth. The researchers recruited 22 couples to participate in a series of tests, where they were subjected to mild heat pain on their forearm while holding hands or not.
Researchers at the University of Colorado Boulder found that offshore wind turbines may not withstand Category 5 hurricane gusts, which could pose a risk in hurricane-prone areas. The study highlights the limitations of current turbine design and suggests that manufacturers and engineers need to improve hurricane-resilient turbines.
Researchers found turbulence caused by colliding galaxy clusters creates hot gas between them, about three times hotter than the sun's core. The team used NASA's Chandra X-ray Observatory and radio astronomy facility to study the phenomenon.
A University of Colorado Boulder study compares domestic extremists to street gang members, finding significant differences in age, education level, religiosity, and ethnicity. The research also suggests that policies targeting gangs may not be effective for countering domestic extremism.
A CU Boulder study shows that some dividing human cells transmit low-level DNA damage to their daughters, causing them to enter a quiescent state previously thought to be random. The process is linked to the fate of daughter cells in subsequent cell cycles and has implications for cancer development and aging.
A new study reveals that diesel vehicles worldwide exceed emissions standards by 4.6 million tons, resulting in 38,000 premature deaths each year. The findings emphasize the need for stricter emission certification tests and real-world compliance measures to improve air quality.
The melting of glacial ice contributes to sea-level rise, displacing millions of people, while glaciers also serve as a source of fresh water. However, researchers like Twila Moon warn that glaciers are shrinking at an alarming rate, with devastating consequences for the planet's weather and climate systems.
A new study found that tropical forests will accelerate their growth in response to increased rainfall, which could lead to greater carbon sequestration. However, the authors caution that climate change still poses a threat to these ecosystems in the short term.
Cassini-Huygens mission has fostered dazzling discoveries, including in-depth studies of Saturn's rings, methane lakes on Titan, and hot water plumes from Enceladus. The spacecraft will enter Saturn's atmosphere and vaporize after final ring-dive on September 15.
A recent CU Boulder study found that the placebo effect can significantly reduce emotional pain and brain activity associated with social rejection. The study used fMRI to track brain responses in volunteers who had recently experienced a breakup, finding that placebos reduced physical pain and emotional distress.
Researchers discovered that fats can tip the scales of fertility in roundworms by monitoring fatty acid levels using an enzyme called acyl-CoA synthase 4 (ACS-4). This phenomenon has implications for future studies into human fertility and reproductive development.
The western US has seen a 2-degrees-Celsius rise in annual average temperature and lengthening of the fire season, resulting in bigger, hotter fires. Authors advocate for adaptation measures like allowing more fires to burn unimpeded and intentionally setting controlled burns to reduce natural fuels.
The study found that most of the Martian gas has been lost to space due to solar wind and radiation stripping, altering the planet's climate and habitability. The loss of argon and CO2 indicates that the atmosphere was once warm enough to support liquid water and life.
A new study led by CU Boulder finds that comet 67P/Churyumov-Gerasimenko has an extremely active surface with growing fractures, collapsing cliffs, and massive rolling boulders. The comet's surface underwent rapid changes due to the warming of its ice surface, causing it to sublimate and move massive rocks across its surface.
A new study by CU Boulder researchers shows the Barnes Ice Cap on Baffin Island will melt in about 300 years due to a rapid warming climate. The ice cap, which is still 500 meters thick, has never been this small in the past 2.5 million years.