University of Michigan researchers have developed an ultra-fast laser technique that enables precise nanoscale machining. The method uses femtosecond pulses to selectively ablate features as small as 20 nanometers, making it possible to machine a wide variety of materials on the nanometer scale.
University of Michigan's approach to teaching ethics in chemistry research involves providing students with critical thinking skills to handle sticky situations. By focusing on analyzing options and principles, students become more conscious of their actions and are better equipped to make informed decisions.
The U-M group uses lab-made dendrimers as the backbone of their delivery system, which can attach targeting agents to recognize cancer cells and deliver lethal doses while leaving normal cells unharmed. Early results show that nanoparticle drugs effectively treat cancer with fewer side effects than conventional chemotherapy.
A research team at the University of Michigan and the University of Texas describes how a resourceful bacterium developed an entirely new way to make disulfide bonds. This breakthrough could have significant implications for disease states like Alzheimer's and cystic fibrosis, as well as biotech applications.
Researchers have developed a new method to find communities in large, complex networks, revealing structure and commonalities among members. The technique was tested on college football conferences with over 90% accuracy, showing promise for understanding systems like food webs and social networks.
A study in Egypt found cultural differences between Shi'ite and Sunni Muslims on IVF, with strict rules on third-party donation. Middle Eastern societies prioritize biological children due to prohibition of adoption and gamete donation.
Researchers have found that patients with spinal cord injuries can generate muscle activity independent of brain signals when one leg is moved during therapy. This discovery has significant implications for developing rehabilitation strategies and improving walking abilities in spinal cord injury patients.
The study found significant disparities in experiences of racism, discrimination, and everyday stress among African Americans, Afro-Caribbeans, and non-Hispanic whites. The researchers also discovered that African Americans are less likely to believe that white people want to see them get a better break in life.
The U-M study found lower rates of major depression, panic disorder, social phobia, and generalized anxiety disorder among African Americans, especially men. Afro-Caribbean women had higher rates of mental disorders compared to their counterparts, likely due to structural inequalities in economic and social resources.
Teen ecstasy use declined for the second consecutive year due to increased perception of its risks, according to a University of Michigan study. Marijuana use also decreased in upper grades, with perceived risk increasing and overall use falling.
The 12th-grade students showed a statistically significant decline in current smoking rates, but the overall trend suggests that teen smoking progress may be nearing its end. The decline in teen smoking since 1997 has been substantial, but researchers warn that anti-smoking efforts must continue.
A University of Michigan professor is developing new computer animations to help students better understand the Earth's structure and internal processes. His approach complements existing techniques, allowing students to progress from simpler models to more complex representations.
A biochemical chain of events governs cell size in multiple diseases. Researchers discovered that AMPK regulates TSC2 activity, which limits mTOR activity, thereby controlling cell growth. This chain of events may be targeted by the drug Rapamycin to treat genetic syndromes.
The University of Michigan and Columbia University are developing a searchable child care research archive with a $7.5 million grant from the US Department of Health and Human Services. The online resource will provide valuable information for policy makers, parents, and researchers to inform decision making about child care.
A University of Michigan study found that women prefer men who are dominant and promiscuous (cads) for short-term relationships, but kind and monogamous (dads) for long-term ones. The 'sexy son hypothesis' suggests that this preference may be evolutionary in nature.
Research reveals that human activity has reduced natural habitats, making it difficult for species to adapt to climate change. Mobile species like birds and butterflies are more likely to survive, while sessile species like reptiles and amphibians are at high risk of extinction.
A University of Michigan study reveals that working overtime is driven by a desire to improve social status and cultivate a sense of belonging, rather than just financial gain. The research found that blue-collar workers who work overtime are motivated by the desire to consume luxury items and keep up with their white-collar counterparts.
Researchers create experimental model of a non-equilibrium system to test the soundness of temperature in a continuously shaken container of tiny beads. They find that temperature follows the expected rules, suggesting that essential information can be extracted from disordered motion in dissipative systems.
MaNIS improves access to natural history specimen data, facilitating conservation hotspot identification, ecosystem change monitoring, disease tracking, invasive species management, and biodiversity studies. The distributed database network provides researchers with millions of specimens' information online.
Researchers at U-M examined the effects of aging and menopause on bone health and found that natural estrogen withdrawal after menopause causes more significant bone loss. The study suggests that hormone replacement therapy may not be necessary for all middle-aged women with regular menstrual cycles.
Research by University of Michigan biologist Jianzhi Zhang found that humans lost pheromone signals after a gene duplication event around 23 million years ago. This duplication allowed for the development of color vision, making pheromones unnecessary as a channel for sexual signaling.
The study reveals African Americans are more likely to make environmentally-friendly lifestyle choices and prioritize environmental issues. Despite this, they face poorer environmental conditions in their neighborhoods, sparking greater concern than their white counterparts.
A study has identified a genetic mutation in MCFD2 that causes a rare bleeding disorder by disrupting the transport of clotting factors V and VIII. The researchers propose a new therapeutic target, suggesting a potential alternative to existing anticoagulants.
A recent U-M study shows that men are dying at higher rates than women for most causes, with minority and middle-class Black men facing even greater risks. The findings point to economic marginality, adverse working conditions, and societal expectations of masculinity as key drivers of these health disparities.
Despite explosive population growth, total harvested area in the region increased by 5%, while irrigated land jumped by 73%. Urbanization appears to have stabilized farm and ranch employment in eastern Colorado Plains cities.
The gamma ray burst, discovered by the ROTSE (Robotic Optical Transient Search Experiment) collaboration, has an intensity 100 times greater than previously observed. Its proximity to Earth allows for detailed study of its decaying light.
An anthropologist reveals that most suicide terrorists are educated and economically well-off individuals who feel despair and are manipulated by elites. To combat this, empower moderates within communities and strengthen interactions between different groups.
Researchers at the University of Michigan have successfully achieved quantum entanglement of three electrons using ultrafast laser pulses and coherent techniques. This breakthrough could lead to the development of quantum gates necessary for storing and processing information in practical quantum computers, offering significantly enhan...
Gerald R. Smith pinpointed three North American regions at greatest risk for freshwater fish diversity: southern Appalachian, Klamath River Basin, and Caribbean coastal drainages of eastern Mexico. Habitat destruction due to water diversion, agriculture, and mining threatens these areas' unique species.
A study by Pascual and coworkers reveals that climate variability from ENSO influences cholera cycles, with a stronger link during warm events. Understanding this connection is crucial as ENSO predictions suggest a potential increase in disease variability under global warming.
Researchers found that during a short-term global warming event, animals became smaller due to the effects of elevated carbon dioxide levels on plant growth. As climate returned to normal, animals regained their normal size.
A Michigan researcher has developed practical suggestions to balance tourism with bird conservation in the Pantanal. Stakeholders' perceptions of a wading bird colony as a community resource have been studied, leading to implemented measures such as staffed observation posts and guided tours.
The University of Michigan is launching a program to increase diversity in STEM fields by recruiting graduate students for the NSF's Integrative Graduate Education and Research Traineeship (IGERT) programs. With NSF support, Professor James Teeri will connect with professional society programs and educate potential students about IGERT.
A University of Michigan study found that people who provided practical support to others were more than twice as likely to survive as those who did not. The researchers analyzed data from over 423 older couples and found a significant link between giving and longevity.
A new study aims to prevent urinary incontinence in women after childbirth by promoting spontaneous pushing and daily perineum massage. The research, funded by the National Institutes of Health, hopes to empower women with tools to have a natural birth experience.
New devices can control the motion of magnetic flux quanta, allowing for precise manipulation of magnetic fields within superconducting materials. This enables the creation of specific magnetic profiles, facilitating applications such as removing unwanted flux and magnetically focusing nearby particles.
The paper proposes an experimentally realizable circuit and an efficient scheme to implement scalable quantum computing. Researchers aim to overcome two major stumbling blocks: preparing, manipulating, and measuring fragile quantum states and controlling connectivity between many qubits.
The U-M Bioterrorism Preparedness Initiative has received a $1 million grant from the Centers for Disease Control and Prevention to develop web-based training for over 9,000 public health workers in Michigan. The initiative aims to improve the state's public health system's ability to prevent and respond to infectious disease outbreaks.
Scientists at the University of Michigan have developed a model that explains how slabs in the Earth's mantle drive convection and surface plate motion. The research found that slabs attached to plates can directly pull them towards subduction zones, while those not well attached create suction forces drawing nearby plates towards the ...
A team from U-M School of Nursing developed HANDS, a program to track nurses' observations and treatments. The system aims to provide healthcare professionals with a holistic view of patients' conditions.
A new study reveals that climate change has strengthened the connection between El Nino-Southern Oscillation (ENSO) and cholera cycles, leading to increased disease outbreaks in warmer years. The researchers found that ENSO events trigger cholera increases after warm events and decreases after cold events.
A study by the University of Michigan found that migraine headaches affect 18% of women and 6% of men, resulting in significant lost productivity costs for employers. Employers can reduce these costs by providing education, preventive services, and direct treatment within the workplace.
Researchers at the University of Michigan found that low-density exurban development increased by 2000 to occupy nearly 10 times the area of urbanized land, while agricultural land use decreased in some areas. Special planning can help minimize environmental impact through designs that deliver public benefits like clean water and nativ...
Researchers discovered that some trees use fungi to obtain calcium from an intermediate pool of apatite, previously unknown as a plant-available source. This finding has implications for forest management and understanding the effects of acid rain on forests.
The University of Michigan researchers have successfully cooled a single atom to near absolute zero using laser cooling, a crucial step toward scaling up trapped atom computers. The proposal outlines a 'quantum charge-coupled device' architecture that could be used for large-scale quantum computing.
A study by researchers at the University of Michigan found that lakeshore housing development affects breeding bird communities in ways that conventional methods may miss. The study suggests that property owners can take steps to lessen the effects, such as keeping lawns small and encouraging native vegetation.
A recent study published in the American Journal of Human Biology found that women who reproduce later in life have a lower chance of having their descendants survive and thrive. In contrast, women who start families earlier tend to have more lineage success. The researchers used statistical models to analyze the impact of education, i...
The University of Michigan's new two-year Preventive Medicine Residency aims to address a critical shortage of medical epidemiologists. Residents will gain expertise in disease surveillance, outbreak investigation, and immunization plans, with initial participants already securing jobs in the field.
A team of researchers has found that the continents have warmed significantly over the past half-century, similar to the warming of the oceans, atmosphere, and ice. The study used temperature readings from six continents to reconstruct a temperature history for the Earth's surface over the past 500 years.
The University of Michigan has launched a new Center for Genomics and Public Health, which aims to narrow the gap between genomics and public health practice. The center will examine population-based data to describe genes associated with cardiovascular disease and understand their interaction with other risk factors.