Researchers at the Wyss Institute have developed a method for building complex nanostructures out of short synthetic strands of DNA. This technology, called single-stranded tiles, can assemble themselves into precisely designed shapes and may enable the creation of new nanoscale devices for targeted drug delivery.
A recent study by Dr. Paul DeLaune found that reduced tillage has no impact on cotton yields and can even increase net returns through deficit irrigation. The research suggests that conservation tillage systems can conserve water resources and reduce energy usage, making them a viable option for cotton producers in semiarid environments.
Research finds that belief in God is associated with better theory of mind, a cognitive ability to understand others' thoughts and feelings. The study also explores the gender gap in religious belief, suggesting that women tend to be more religious than men due to differences in mentalizing abilities.
A growing concern overdiagnosis is harming the healthy, with evidence mounting that it's occurring for a wide range of conditions. Overdiagnosis occurs when people are diagnosed and treated for conditions that will never cause them harm.
A study led by Indiana University professor Nicole Martins found that TV exposure decreases self-esteem in black girls and boys, while improving it for white boys. The study suggests that media portrayal plays a significant role in this disparity.
Dr. Patricia Dickson's research aims to develop a stem cell-based therapy for mucopolysaccharidosis I, a fatal pediatric disease causing neurodegeneration. The project seeks to address critical issues in the development of therapeutic candidates.
Researchers at the University of Alberta found that omega-3 fatty acid DHA in fish prevented toxic buildup in the retina, a common cause of age-related vision loss. The discovery could lead to a therapeutic use for supplementing the diet with DHA.
A Concordia research team, led by Pragasen Pillay, is working on a two-year project to reduce the need for permanent magnets in electric vehicle motors. They aim to cut costs and improve performance using existing manufacturing facilities.
New eyewitness identification procedures being adopted by police departments across the US may lead to fewer correct identifications while reducing false errors. Researchers raise concerns that these changes could have unintended consequences and policymakers need to carefully weigh the data before making policy decisions.
A recent study published in International Review of Financial Analysis warns fine wine investors not to put all their eggs in one basket by focusing on French wines. Diversification across Italian, Australian, and Portuguese wines could prove a shrewd move for investors looking to minimize risk.
Researchers found that married people tend to be happier than single individuals, as marriage stabilizes happiness levels despite life changes. Personality traits do not play a significant role in adapting to major events like marriage or job loss.
Researchers at UC Santa Barbara developed synthetic platelets with unique physical and biochemical properties to mimic natural platelets. These particles could be used for various biomedical applications, including wound healing, targeting damaged blood vessels, or delivering drugs that dissolve blood clots.
A new study found that companion presence in physician visits hinders communication for older adults with poor mental health, leading to shorter visits and less patient-centered care. The research suggests a need for greater attention to primary care infrastructure to support delivery of mental health care.
A study led by Dr. Manel Esteller has completed the first epigenome in Europe, shedding light on the activity of genes and tissues in complex diseases like cancer. The research found that a patient with a rare genetic disease had an epigenomic defect causing fragility of chromosomes and immune deficiency.
A new NIST report summarizes efforts to advance indoor microbial sampling, highlighting challenges and future priorities for surface and aerosol analysis. The report explores cross-cutting issues such as education and public awareness, and provides a comprehensive overview of existing resources.
A recent report synthesizes published studies on the impact of bark beetles on wildfires, revealing that tree mortality can indeed affect fuels and fire behavior. However, the extent of these effects depends on various factors, including the time since the outbreak and the type of fuel or fire characteristic being studied.
A retrospective analysis found that methotrexate injection was not more effective than oral therapy in treating juvenile idiopathic arthritis. The study suggests that the oral approach may be a more suitable option for pediatric patients, sparing them from the pain of injections.
Researchers found that people can intuitively sense changes in body odor composition across the lifespan, with odors from older individuals being rated as less intense and less unpleasant. This ability is driven by specific chemical components, contrary to popular belief about old age odor.
A study by University of Granada researchers found that immigrant women in Spain experience great stress during childbirth, with disorders such as obsessive compulsive disorder and depression common among them. The study also revealed differences in healthcare access and utilization between immigrant and Spanish women.
Scientists outline how humans use nose and tongue to recognize food flavors, suggesting a way to teach people to like vegetables. The study reveals the brain integrates taste and smell sensations into a single flavor perception, potentially leading to improved diets.
Researchers have discovered an additional third of atomic hydrogen gas in galaxies, which could impact star formation rates. The findings suggest that galaxies are forming stars at 20 times the rate they did billions of years ago.
A recent article in the Hastings Center Report raises questions about the AMA's policy on prescribing placebos, arguing that it may not be the best way to protect or benefit patients. The article suggests that some bioethicists argue that an undisclosed placebo is sometimes the best available treatment for certain patients.
Researchers at the University of New South Wales have discovered a potential new way to regulate the immune response, increasing good regulating cells to treat autoimmune diseases. The treatment involves injecting cell-signalling proteins called cytokines, which boost the body's immune system without causing overdrive.
Researchers discovered that meteorites can generate methane when exposed to sunlight, which could account for a large part of Mars' atmosphere. This finding informs future Mars missions searching for life and suggests that sunlight and debris from meteorites play a role in shaping the planet's atmosphere.
Breast cancer researchers found that two related receptors, LRP5 and LRP6, must work together to maintain normal activity in mammary stem cells. A new signaling pathway may be involved, which could lead to new directions for cancer-drug manufacturers.
Researchers at the University of Tennessee found that US skulls have increased in size by 200 cubic centimeters since the mid-1800s, with average height from base to top increasing by eight millimeters
A new study published in Biological Psychiatry confirms ketamine's rapid antidepressant effects in patients with bipolar disorder. Ketamine was found to significantly reduce depressive symptoms and suicidal thoughts within hours of administration.
A new study demonstrates that a back brace with a tiny heat sensor can measure how long it is worn, leading to improved compliance rates among children. The Thermobrace system shows promising results in tracking brace wear and fostering better patient-physician relationships.
The National Institute of Standards and Technology (NIST) has released a new standard reference material (SRM) to aid in detecting two explosive compounds used by terrorists. The SRM contains meticulously measured concentrations of PETN and TATP, allowing researchers to test and validate their detector designs.
A study by Adam Galinsky et al. suggests that team hierarchies improve efficiency and productivity due to reduced conflict and increased coordination. The research confirms the theory that all high-power individuals lead to elevated conflict, undermining group performance.
A 23-year study found children's use of imagination in play increased over time, while comfort and engagement with play activities also rose. Additionally, children today expressed fewer negative emotions during play compared to previous generations.
Recent paleoseismic work reveals an average recurrence rate of 125 years for the San Andreas Fault in the Santa Cruz Mountains, indicating a higher seismic hazard than previously thought. The study also sheds light on how individual segments of the fault system can produce destructive earthquakes.
A study suggests that subaerial chemical weathering plays a more significant role in forming rock platforms along coasts and rivers than previously thought. The researchers found that the platforms correspond to the saprock-bedrock boundary, remain within the zone of modern water table, and are weakened by wet/dry cycling.
Researchers link steep mountain slopes to landslide erosion caused by plate tectonics and powerful streams. The study found that small increases in slope angle above 30 degrees translate into large increases in landslide erosion.
A handful of genetic changes in early mammalian development created the complex structures of the human brain, including fine motor skills and cognitive abilities. Researchers identified key regulatory DNA regions that control the formation of the corticospinal system.
The University of Oklahoma led a US-based team in sequencing the tomato genome, revealing new insights into fruit characteristics. The achievement has significant implications for developing more desirable strains with higher yields, increased disease resistance, and improved flavor.
Researchers found tart cherry juice significantly reduces inflammation in women with osteoarthritis, particularly those with high inflammation levels. Drinking twice daily for three weeks led to notable reductions in inflammatory markers.
Researchers at UCSF have discovered that rhesus macaques with more Th17 cells in their gut are better able to control SIV and live longer after infection. This finding may shed light on why some people infected with HIV live longer and have fewer health problems than others.
Researchers at Vienna University of Technology found a special iron-oxide surface that locks single gold atoms in place, allowing them to study the chemical reactivity of individual atoms. This breakthrough could lead to more efficient catalysts, requiring less precious material.
Researchers are launching a nationwide effort to conserve crop wild relatives in the US, recognizing that these plants have value in adapting food systems to climate change. The plants' genetic material could be used to breed drought-resistant crops, making them essential for global agriculture.
The Maryland Stem Cell Research Fund has awarded grants to 29 Johns Hopkins researchers working on stem cell metabolism, disease modeling, and therapy development. New therapies aim to replace damaged cells in patients with conditions like schizophrenia and Rett syndrome.
A Northwestern University study found that early exposure to microbes reduces the risk of chronic inflammation related to diseases like cardiovascular disease, diabetes, and dementia. Adults in Ecuador showed no signs of chronic inflammation, unlike many US adults with chronically elevated C-reactive protein levels.
Researchers at Penn State have developed a biochip-based device that can rapidly screen cells for leukemia or HIV. The device uses microfluidic drifting technology to focus particles or cells in a single stream, eliminating the need for bulky lenses and mirrors, and potentially reducing costs to $1,000 from current prices of $100,000.
The Oakley Cluster, a new HP/Intel supercomputer, ranks 9th in the US and 2nd among US academic institutions when comparing benchmarked performances. It achieves 88 teraflops of performance with nearly twice the memory per core and three times the number of GPUs compared to its predecessor.
Researchers discover that decreasing Lhx2 activity triggers glial reactivity, while increasing its activity is key to producing protective proteins. This finding holds promise for developing novel therapies for neurodegenerative diseases.
Researchers at Ohio State University have identified a 'life-and-death' molecule on the surface of chronic leukemia cells that targets CD37. The finding could lead to more effective therapy for CLL, an as yet incurable cancer that occurs in over 16,000 Americans annually.
Researchers found that herpes viruses and other neurotropic pathogens sabotage cell function by hijacking neuronal internal transportation networks. Viral infection elevates neuron activity and calcium levels, stopping mitochondrial motion and allowing the virus to freely travel and reproduce within infected cells.
Researchers developed coatings that use nanoparticles to interact with sunlight and break down pollutants like nitrogen oxides, hydrocarbons, and carbon monoxides. The coating is thin, adaptable, and durable, making it suitable for construction materials.
New research finds that adding zinc to standard antibiotic therapy significantly reduces treatment failure risk in young children with suspected serious bacterial infections, such as pneumonia and meningitis. The study showed a 40% lower risk of treatment failure and a 43% reduced risk of death among children given zinc.
The Tomato Genome Consortium has sequenced the genomes of domesticated tomatoes and its wild ancestor Solanum pimpinellifolium, revealing detailed insights into the plant's genetic makeup. The sequences provide a better understanding of how genetics and environmental factors interact to determine crop health and viability.
Researchers at Monell Chemical Senses Center found that humans can identify age based on differences in body odor, with elderly individuals' odors being recognized across cultures. Evaluators rated body odors from the old-age group as less intense and less unpleasant than those from middle-aged and young individuals.
Researchers discovered that people are equally good at finding the right balance between task completion time and reward points, regardless of task complexity. This suggests that humans may not be intrinsically bad or good at making decisions, but rather capable of adapting to different situations.
A recent study published in Feminist Criminology found that male and female sex offenders received significantly different sentences for the same crimes. On average, male sentences were between 6% and 31% longer than female sentences. This disparity was attributed to societal norms and gender roles.
Researchers found that skin transplant surgery is safe and effective in treating vitiligo, with treated areas regaining an average of 43-68% of their natural skin color. The procedure involves transferring melanocyte cells from healthy skin to damaged areas.
Scientists at Johns Hopkins Medicine have engineered cells that behave like AND and OR Boolean logic gates, producing an output based on one or more unique inputs. This breakthrough could lead to the development of computers that use cells as tiny circuits.
Researchers found that genetic variations in nicotinic receptor genes affect an individual's likelihood of quitting smoking on their own or requiring medication. The study suggests personalized treatment plans can improve quit rates, particularly for those with high-risk gene variants.
A new study suggests that giant magma bodies forming the basis of super-eruptions exist for a few thousand years before erupting, rather than hundreds of thousands. This discovery has implications for predicting and mitigating the effects of these massive eruptions.
Three US Army medical residents received national awards for their research at the American College of Physicians annual meeting. The ACP's Internal Medicine meeting provides a valuable opportunity for military and civilian physicians to collaborate and share best practices.
Patients with hemianopia experience improved visual detection of light stimuli after being presented with sounds on the affected side. Neural pathways that process information from different senses play a key role in this effect.
A Michigan State University study suggests that lower-income mothers should adopt healthy eating habits themselves and encourage their children to eat good foods. By doing so, mothers can help create a healthier diet for their kids without using force or restrictions.