Presenteeism, a measure of productivity loss due to health issues, may be overreported. The University of Michigan's School of Kinesiology suggests a three-year moratorium on studies due to inaccurate calculations and limited data collection methods.
A University of Michigan study found that children with low vitamin D levels accumulated fat around the waist and gained weight more rapidly than those with sufficient vitamin D. Vitamin D deficiency was also linked to slower growth in height among girls but not boys.
The MiniBooNE experiment has confirmed the existence of a fourth flavor of neutrino, violating the fundamental symmetry of matter and antimatter. The discovery could explain the composition of the universe and potentially help resolve dark matter.
A new gamma-ray detector, Polaris, can pinpoint and show the exact location of radiation sources, unlike conventional detectors. It provides a real-time image of the radiation source, allowing inspectors to navigate towards it with precision.
A University of Michigan study found that brief episodes of cooperative social contact enhance executive function, a key component of mental activity. Engaging in conversations with a friendly tone results in improved performance on common cognitive tasks.
Researchers at the University of Michigan have developed a new equation that describes the relationship between current and voltage in organic semiconductors, which could enable advanced solar cells, thin OLED displays, and high-efficiency lighting. The equation provides fundamental insights into how charge moves in these materials.
Researchers at the University of Michigan have created intricate, curving 3-D nanostructures from carbon nanotubes using capillary action forces. These shapes can harness the exceptional mechanical, thermal, electrical, and chemical properties of carbon nanotubes in a scalable fashion.
A study by the University of Michigan found that teriparatide, a drug marketed for osteoporosis, can also heal bone wounds in gum disease patients. The treatment showed a 29% improvement in bone-level measurements on x-rays, compared to a 3% improvement in the placebo group.
A recent study found that the majority of US adults lack sufficient information to make the best medical decisions. To address this issue, doctors need to help patients prepare better for health decisions. Key findings include the importance of informed consent and patient decision aids in ensuring patients' preferences are respected.
A University of Michigan study found that people who lie on the phone feel a stronger desire for mouthwash, while those who lie via email want hand sanitizer. This suggests a connection between abstract moral issues and concrete physical experiences.
A University of Michigan study shows that constructive conflict resolution strategies can lower divorce rates, while destructive behaviors and withdrawal are associated with higher separation rates. Researchers found racial differences in conflict behavior patterns, with Black couples more likely to withdraw during conflicts.
A new analysis by Jianzhi Zhang and coworkers reveals flaws in models predicting the cost of complexity and finds that moderate complexity best enables organisms to adapt. The study challenged assumptions underlying traditional mathematical models, suggesting that a moderate amount of complexity is beneficial for adaptation.
Researchers will investigate how climate change affects Great Lakes water quality, focusing on extreme weather events and their impact on nutrient, pesticide, and sediment levels. The study aims to develop strategies for watershed councils and government entities to reduce water quality impacts.
A new University of Michigan study documents the impact of war on Palestinian and Israeli children's mental health. The research found that nearly half of Palestinian children between 11-14 reported witnessing violence, leading to significant increases in post-traumatic stress symptoms and aggressive behavior.
A University of Michigan study found Native Hawaiians are more likely to suffer early death, particularly among infants and young adults. The research highlights the need for renewed efforts to understand the causes of increased mortality among Native Hawaiians and other high-risk minority populations.
Researchers have invalidated the most commonly used model to explain the behavior of highly mismatched alloys, which could lead to more efficient solar cells. By using molecular beam epitaxy, they created gallium arsenide nitride alloys with nitrogen that can tap into infrared radiation.
Researchers have created a new mid-infrared supercontinuum laser that can blind heat-seeking missiles from a distance of 1.8 miles away, providing a promising solution for helicopter protection in combat zones. The technology is being commercialized through Omni Sciences, Inc., which has received $1 million in grants from the Army and ...
University of Michigan researchers Kevin Kubarych and Carlos Baiz have achieved the feat of watching the first solvation shell respond to a chemical reaction. They realized that electrons move during chemical reactions, causing vibrational frequencies in surrounding molecules to change.
A University of Michigan researcher proposes a 'revolution by evolution' to boost fuel efficiency in gasoline-powered cars. By prioritizing efficient combustion engines and hybrid drives, the target is to reach 52 mpg by 2025 and 74 mpg by 2035.
A University of Michigan survey found that core values such as equality and respect for diversity are widely held across the US population. However, divisions exist on issues like same-sex marriage, immigration, and universal healthcare.
A 10-year study of an organic coffee farm in Mexico uncovered intricate interactions between ants, beetles, and other species that buffer the farm against extreme outbreaks of pests and diseases. The complex web buffers the farm against magic bullets necessary for modern agriculture.
A University of Michigan professor uses Wikipedia revisions as a teaching tool to improve public understanding of science and promote teamwork among students. The approach has shown success in achieving course learning goals, including communicating complex concepts to a diverse audience.
Researchers at the University of Michigan found that bacteria spend more on internal proteins than external ones, conserving resources and improving their competitiveness. This thrifty behavior is linked to protein location and cost, with cheaper amino acids used in internal proteins.
New studies suggest that vitamin A and beta-carotene supplements may increase the amount of HIV in breast milk, potentially leading to mother-to-child transmission. The research found that these nutrients can raise the risk of developing subclinical mastitis, an inflammatory condition that causes viral particles to leak into the milk.
A University of Michigan professor has developed a new type of color filter made of nano-thin sheets with precisely spaced gratings, trapping and transmitting light of specific colors. The filter acts as a polarizer simultaneously, eliminating the need for additional polarizer layers, making it simpler to manufacture.
Research by Elizabeth Tibbetts and Amanda Izzo found that paper wasps punish peers who falsely advertise their fighting ability to maintain accurate signals. In experiments, wasps with mismatched facial patterns and behavior were punished, while those whose signal and behavior matched were rarely targeted.
According to a study at the University of Michigan, children who see homework as an investment rather than a chore are more likely to spend time on it. The researchers found that students who expected to have a job dependent on their education were more likely to invest time in homework and had better grades over time.
As we age, breakdowns in brain connections lead to slower reactivity and confusion during one-sided motor movements. Researchers found that older adults' brains communicate more with each other while at rest, hindering brain function.
A global team of researchers has identified 95 regions of the human genome where genetic variants are associated with blood cholesterol and triglyceride levels, a major indicator of heart disease risk. The study found that many common variants discovered by the team also influence lipid traits across different racial and ethnic groups.
A pilot-dentist duo proposes adapting airline crew resource management principles to dental offices, aiming to reduce human errors and improve patient safety. By implementing standardized safety procedures and empowering team members with CRM checklists, dentists can significantly reduce complications and deaths in surgical settings.
Stem cell differentiation is a crucial process that can be accelerated using a novel type of matrix, adjusting its stiffness without altering its chemical composition. By analyzing traction forces and cellular behavior, researchers predict stem cell differentiation as early as Day 1.
A University of Michigan biologist and a colleague at the University of California, Berkeley, found that shade-grown coffee farms support native bees that pollinate native trees and enhance genetic diversity. The study suggests that these bees play a crucial role in maintaining biodiversity in tropical regions.
A recent discovery of a 29-million-year-old fossil catarrhine provides new insights into the facial anatomy of the ancestral stock of apes and Old World monkeys. The Saadanius skull supports the hypothesis that the last common ancestor had a baboon-like, long snout, similar to that of modern true apes and monkeys.
New research reveals the TRPML1 channel plays a crucial role in lysosome function, offering new avenues for treating conditions like ALS and CMT. The findings suggest that activating this channel could help overcome membrane traffic defects caused by disease-causing mutations.
A University of Michigan study finds that Russians are more likely to focus on negative feelings but are less likely to feel depressed as a result. They tend to spontaneously distance themselves from their emotions, leading to lower levels of distress and blame compared to Americans.
A new study from the University of Michigan found significant variations in emotional reactions among black, white, and Hispanic caregivers of Alzheimer's patients. The research suggests that racial and ethnic differences play a crucial role in shaping their grieving experiences.
Researchers discovered 12 new regions on the genome with DNA variants linked to type 2 diabetes, raising hopes for early detection and prevention. The study also revealed surprising overlaps between type 2 diabetes and non-related diseases.
The University of Michigan predicts a larger-than-average Gulf dead zone this year, with a range of 6,500 to 7,800 square miles. The impact of the Deepwater Horizon oil spill on the size of the dead zone is unclear, but it could either increase or decrease due to various factors.
Researchers have discovered that tiny smectitic clay coatings on the rock surfaces of the San Andreas fault reduce friction and facilitate creeping motion. This coating, less than 100 nanometers thick, acts as a lubricant, allowing the fault to move slowly and steadily over time.
A 10-year study of a chimp community in Uganda found that chimpanzees violently kill individuals from neighboring groups to expand their own territory. The researchers witnessed 18 fatal attacks and found signs of three others, with the Ngogo chimpanzees expanding their territory by 22%.
Researchers at the University of Michigan have developed a new synthetic stem cell growth matrix that overcomes major challenges in human embryonic stem cell research. The new coating, made from a water-soluble gel, has been shown to support long-term growth and maintenance of pluripotency in human embryonic stem cells.
A genetic analysis reveals that flu strains in the US don't disappear at the end of winter, but instead migrate to South America and other parts of the world. This knowledge has implications for public health efforts, including antiviral use and vaccination programs.
Researchers found that laptops can increase students' engagement, attentiveness, and participation when used to facilitate interactive discussions and activities. Students reported feeling more attentive and able to learn when using LectureTools.
Researchers have discovered a new nanoscale electrical phenomenon that allows for nondestructive transmission of electricity through glass, enabling the development of faster and less expensive portable diagnostic devices. This breakthrough could also enable significant advancements in building micro-mechanical and lab-on-a-chip devices.
A study published in the American Journal of Public Health found that African Americans' poorer physical health is linked to their effective coping strategies for depression, which also lead to higher rates of obesity and mortality. Researchers suggest improving living conditions and job opportunities as a key solution.
Researchers at University of Michigan find that hand-washing reduces influence of past behaviors and decisions with no moral implications. Washing hands results in reduced buyer's remorse and less rosy evaluations of choices.
Researchers at the University of Michigan have built a more efficient Rydberg atom trap, which could enable faster quantum computers. By trapping giant Rydberg atoms, they can create stronger quantum circuits and solve complex problems that conventional computers cannot.
Researchers detected significant changes in chemical tracers in stream water, indicating increased thaw depth of permafrost. The study suggests that coastal erosion and greenhouse gas releases are likely outcomes of thawing permafrost.
The University of Michigan researchers have developed a pressure-cooking method to create better biofuels from algae, speeding up the crude-oil-making process from millennia to minutes. This new method eliminates the need for drying and extracting oil, making it more efficient and cost-effective.
Researchers at University of Michigan created a microfluidic integrated circuit that regulates fluid flow without external instructions. This innovation aims to simplify lab-on-a-chip devices and enable instant home diagnostic tests for various illnesses and contaminants.