Articles tagged with Rainbows
A new study predicts that climate change will increase rainbow viewing opportunities in northern latitudes and high elevations, while decreasing them in tropical regions. The research used photographs from Flickr to map rainbow occurrences under current and future climates.
A research group at KAIST successfully produced seven natural rainbow colorants, including carotenoids and violacein derivatives, using engineered Escherichia coli strains. The strategies developed can be applied to the efficient production of other industrially important natural products.
A new study based on research at a unique fossil site in Utah finds that tyrannosaurs were likely gregarious animals, with evidence suggesting they died together during a seasonal flooding event. The discovery sheds light on the behavior of these fearsome predators and challenges long-held assumptions about their solitary hunting habits.
Researchers found that Hawaii's location in the subtropical Pacific, combined with its mountains and clean air, create an ideal environment for frequent rainbow sightings. The new RainbowChase app, developed by Dr. Steven Businger, uses Doppler radar data and satellite images to alert users of favorable conditions.
Researchers at UH Rainbow Babies & Children's Hospital studied the impact of face masks on heart rate and oxygen levels. The study found that wearing a cloth or surgical mask did not impair oxygenation in healthy adults, either at rest or during physical activity.
Researchers at UMD are using genomic selection to identify genes that improve feed conversion in rainbow trout, leading to more efficient production and reduced waste. This work aims to address industry problems like downgrading, which affects up to 15% of filet products.
A team of RUDN University biologists created a hibiscus-based dietary supplement for rainbow trout, reducing their sensitivity to ammonia pollution and improving stress resistance. The study found that the fish that received the supplement grew faster, had healthier livers, and stronger immune systems.
A study developed a morphodynamic model to understand canyon formation, considering factors like abrasion and sediment contribution. The model predicts that canyons form with shallow slopes above the headwall, which migrates upstream over time.
Researchers tracked genomic changes in hybrid orangethroat and rainbow darters, finding regions with genetic divergence contributing to reproductive incompatibility. These differences likely disrupt cell division and alter gene expression, driving the evolution of distinct traits.
A University of Oklahoma study examines the intersection of sexual and gender identity gaps with liberalism in the US. The research reveals nuanced patterns among pansexual, non-binary, queer, lesbian, gay, and bisexual individuals, shedding light on the complexity of LGBTQ political perspectives.
The medical staff of the Neonatal Intensive Care Unit (NICU) at University Hospitals Rainbow Babies & Children's Hospital implemented a model for improvement to decrease hypothermia in very low birth weight (VLBW) babies. As a result, they achieved a 97.5% reduction in temperature less than 36 degrees over four years.
LeVar Burton receives the Inamori Ethics Prize for his decades-long dedication to promoting children's literacy and supporting AIDS research. The award recognizes his tireless advocacy and impact on the human condition.
Engineers at MIT and Penn State University developed a model predicting the color of droplets given specific structural and optical conditions. The team found that total internal reflection allows hemispherical droplets to produce color through interference effects, which are stronger in small droplets.
Researchers at Penn State and MIT discovered that uniform-sized clear water droplets on a surface can produce bright iridescent colors. The color is due to total internal reflection and light interference, creating an optical effect not possible in perfect spheres.
A new study finds that individual rainbow trout strains from Canada and California exhibit varying levels of heat and oxygen tolerance. This natural variation may help some fish survive global warming, while others are more vulnerable.
Male competition drives evolution of flashy color patterns in orangethroat darters. The males' ability to distinguish their own species from others favors the development of these flashier signals.
Researchers analyze the historical use of symbols like the dove and rainbow in artistic depictions of peace. From ancient theatre to modern media motifs, these depictions highlight the power of love displacing violence in conveying a message of peace.
Researchers have discovered three new species of chameleons in Madagascar, showcasing the island's extraordinary biodiversity. The newly found Calumma uetzi features vibrant display colors when males interact with females, while a second species, Calumma juliae, is found only in a protected forest fragment under threat from deforestation.
Researchers discovered that peacock spiders' intense rainbow iridescence emerges from specialized abdominal scales with airfoil-like microscopic 3D contour and nanoscale diffraction grating structures. This finding may inspire new color technology for applications such as space missions and wearable chemical detection systems.
Researchers used neurostimulation to activate brain regions associated with face and color processing, inducing illusory faces and rainbows in a patient. The findings suggest functional and anatomical specificity of these brain regions.
Scientists have identified key genes involved in the homing behavior of rainbow trout, which use Earth's magnetic field to navigate back to their birthplace. The study found that changes in gene expression are triggered by disruption of the fish's internal compass, pointing to a possible role for iron-based magnetite particles.
Researchers found that a small, dried-out tributary became a vital shelter for over 10,000 stream fish in Hokkaido, Japan. The study suggests that even remnant tributaries are essential wintering habitats for fish to survive the harsh winter conditions.
A new study characterizes pediatric injuries onboard commercial airline flights, finding that lap infants are at greater risk for injury due to scalding burns from hot beverages or soups. Falls from the seat also contribute to in-flight injuries among this age group.
Scientists describe the first recorded predation of a vampire bat by a rainbow boa in an Ecuadorian cave. The snake caught and killed the bat before consuming it in 4 minutes and 50 seconds.
Researchers are exploring the practical uses of rainbows in weather forecasting and combustion engine efficiency. A comprehensive review highlights the importance of simulating rainbows using mathematical modeling. The study also provides tips for capturing rainbows on camera, making them a rare and special phenomenon.
Theorists have shown that particles of different energies sense slightly modified versions of spacetime, leading to a phenomenon similar to a rainbow. This discovery suggests that the structure of spacetime sensed by individual particles depends on their energy.
Researchers at the University of Leicester have discovered that high blood sugar levels can cause blood vessels to contract more strongly, leading to higher blood pressure and potentially life-threatening complications. The study provides a potential therapeutic target for improving outcomes following a heart attack or stroke.
Cycling World champions experience a dip in performance while wearing the champion's stripes due to regression to the mean. Dr Thomas Perneger's study analyzes racing results from 1965 to 2013, finding no significant difference between seasons with and without the rainbow jersey.
Researchers at ITMO University have developed a method for producing vivid holographic images using an ordinary inkjet printer. The new technique uses colorless ink made of nanocrystalline titania, which can be deposited on special microembossed paper to create unique patterned images.
A study analyzed 15,613 pediatric ED visits due to legal interventions between 2008 and 2010. Most injuries resulted from blows or manhandling, affecting mostly males and teenagers. The issue comes with significant financial costs, including $16.3 million in total ED charges.
Researchers from Purdue University and collaborators found that offspring survival in Lake Michigan is on the rise despite smaller parent size, with potential benefits for juvenile smelt. The study suggests that fewer adults may be allowing hatchlings to thrive due to reduced predation pressure.
A study by researchers from the University of Montana finds that climate warming is increasing hybridization between native westslope cutthroat trout and invasive rainbow trout. This accelerated hybridization threatens the genetic integrity and diversity of native species.
A significant increase in acute pancreatitis cases was found in hospitalized children in the US, with a 51% rise from 2000 to 2009. Hospitalized children with AP had longer hospital stays and higher charges, with older children over 5 years of age more likely to develop the condition.
A study of over 16,000 patient visits found that physician practice facilitation led to significant improvements in pediatric preventive medical care delivery. Practices with early intervention saw a sixfold increase in obesity screening and a 20-fold increase in fluoride varnish application compared to those without intervention.
Researchers have sequenced the rainbow trout genome, revealing that roughly half of protein coding genes have been deleted since a genetic doubling event 100 million years ago. The study also shows retention of microRNA genes and original genes involved in embryonic development.
The landmark DCCT and EDIC studies are marking their 30th anniversary, with a new focus on refining self-monitoring and exploring the effects of glucose control on cognition. Intensive management is critical for preventing complications of type 1 diabetes.
Researchers have discovered that female Doryteuthis opalescens squid display male-like iridescent stripes that may help them evade male aggression. These unique markings are achieved through the activation of switchable leucophores and tunable iridocytes, which can produce a range of colors in response to neurotransmitters.
Researchers at the University of Saskatchewan found that adding coriander oil to vegetable oil-based diets increases EPA and DHA levels in rainbow trout fillets. This alternative method reduces reliance on fish oil, promoting aquaculture sustainability and creating new market opportunities for spice growers.
Researchers developed a hyperbolic metamaterial waveguide to catch a 'rainbow' of wavelengths, halting and absorbing each frequency of light. This advancement could lead to new technologies in electronics, solar panels, and stealth coating materials.
Physicians from UH Rainbow Babies & Children's Hospital will present on combating minority obesity, improving perinatal health in Ohio, and treating rare testicular cancer in adolescents. The presentations aim to address the magnitude of the obesity crisis and its impact on minority populations.
The American Academy of Pediatrics strongly discourages home trampoline use due to significant injury risk, particularly among children under five. The new policy statement provides guidelines on patterns of injury and safety measures.
Scientists from Disney Research have used simulations to study the elusive twinned rainbow, a rare optical phenomenon. The team found that the key to its occurrence lies in the combination of different-sized water drops falling from the sky, which produce slightly deformed rainbows.
A team of American researchers has created an array of 25,000 individual invisibility cloaks that can slow down or stop light, creating a trapped rainbow. This technology enables 'spectroscopy on-a-chip' for detailed analysis of biological materials.
UB researchers develop one-step method to fabricate rainbow-colored polymer with extraordinary properties, reflecting many different wavelengths of light. The material could form basis of handheld multispectral imaging devices for applications in home improvement and biomedical imaging.
Researchers at UC San Diego have developed a new method for simulating rainbows, including primary, secondary, and twinned rainbows, using improved models of light interaction with water drops. The study provides an almost complete picture of how rainbows form, shedding new light on their physics.
A study published by researchers at the University of Oregon reveals that two distinct populations of rainbow trout share a genetic trait that enables them to adapt to their native rivers in Alaska and Idaho. This gene variant, identified using RAD technology, may hold key to saving struggling fish populations from extinction.
Studies highlight obstacles to increasing breastfeeding rates among low-income mothers, including lack of support and knowledge. Community health workers emphasize the need for additional education and resources to promote breastfeeding.
The Optical Society's Applied Optics journal publishes a special focus issue on Light and Color in the Open Air, featuring striking images of natural optical phenomena such as rainbows, fog bows, coronas, sprites, and mirages. The accompanying online photo gallery showcases the beauty and science behind these phenomena.
Scientists have confirmed the existence of triple rainbows using photographic evidence and a new meteorological model. The discovery was made possible by a professor's guidelines that showed how to find tertiary rainbows, which are rare because they require specific conditions to appear.
A team of Lehigh researchers successfully trapped a rainbow of broadband light using plasmonic structures, slowing down light waves over a broad range of wavelengths. The experiment demonstrated the feasibility of this technology for improving data storage and optical data processing.
A new Oregon State University study finds that healthy steelhead runs rely heavily on wild rainbow trout populations, with up to 40% of genes from rainbow trout contributing to steelhead gene pool. This highlights the importance of maintaining healthy trout populations to support steelhead health.
Researchers at Nanjing University develop a new method to trap a wide spectrum of light, including visible radiation, using a self-similar-structured dielectric waveguide. This breakthrough has potential applications in on-chip spectroscopy, photon processing, and quantum computing.
A major JAMA study found that patients with cystic fibrosis who tested positive for MRSA had a significantly higher risk of death compared to those without the infection. The study, which tracked over 19,000 CF patients, showed an approximate 1.3 times greater risk of death among those with detected MRSA.
Researchers have discovered hidden glacial valleys in Alberta that contain valuable resources, including loose rock and natural gas, posing risks of accidents and environmental damage. The valleys were found using a combination of seismic and electrical mapping data, highlighting the importance of advanced underground mapping practices.
A new study found significant sex differences in cardiac performance and metabolism in rainbow trout. Female trout prefer carbohydrates and tolerate lower oxygen levels better than males. The study also revealed distinct layer structures in the ventricle, with males having a larger epicardium-to-endocardium ratio.
The Cancer Survivors Center will provide care management programs to monitor treatment side effects and offer training programs for teachers and coaches. Pediatric cancer survivors will also receive parent and sibling counseling, as well as special sports/training programs to re-enter their active lives.
A new treatment approach combines a tailored medication regimen with the RAINBOW psychotherapy program to alleviate symptoms of bipolar disorder in children. The program has shown promising results, with 94% of children improving after treatment.
A new study found that brain-injured children from less stressed and more supportive families had significantly higher achievement and behavior scores than their peers. The authors speculate that severe traumatic brain injury exacerbates the effects of unfavorable family circumstances, leading to worse academic and behavioral outcomes.
A 20-year study of premature babies born between 1977 and 1979 found that those with very-low-birth-weight were less likely to engage in risk-taking behavior and had a higher likelihood of completing high school, despite facing cognitive and behavioral challenges.