The Stanford team has built an Ising machine, a non-traditional computer that uses optical and electrical processing to solve combinatorial optimization problems. The machine has been tested on thousands of scenarios and shows promise in solving hard optimization problems that traditional computers struggle with.
A recent scandal in Brazil highlights the dangers of unproven compounds being sold to cancer patients. The authors argue that skipping clinical research phases puts patients at risk of false hopes and dangerous treatments. They emphasize the need for evidence-based medicine and the importance of testing novel drug candidates.
Researchers at Duke University have developed a simple, energy-efficient way to create three-dimensional acoustic holograms using Lego-like metamaterials. The technique manipulates sound waves into desired patterns, enabling applications such as improving sound quality in speakers and creating realistic ultrasound images.
A new thesis developed by David Núñez proposes ways for smart appliances to improve their relationship with users through social networks. The research focuses on predicting trust, recommendation systems, and maximizing influence in these networks.
A study found that men who gamble are more likely to act violently towards others, with the most addicted gamblers at greatest risk. The research also showed a strong association between gambling and violence, even after adjusting for other factors.
Research from North Carolina State University shows that traveling honey bees have shorter lives and greater oxidative stress levels than stationary bees. Access to readily available food or supplemental nutrition can mitigate these negative impacts, particularly during periods of high flower scarcity.
Researchers aim to develop a recipe for solving runaway electron problems using simulations and data from worldwide experiments. The Simulation Center for Runaway Electron Avoidance and Mitigation will explore causes and solutions for relativistic runaway electrons traveling at nearly the speed of light.
A brief blast of heat can kill bedbugs on the exterior of soft-sided luggage, according to a study by University of California, Irvine entomologist Catherine Loudon. The six-minute treatment at temperatures between 158 and 167 degrees effectively killed all bedbugs on the exterior, including those under zipper flaps and decorative piping.
A special issue of Optometry and Vision Science presents research on contact lens discomfort, a common problem affecting millions worldwide. New findings suggest that corneal pressure sensitivity and inflammatory mediators may contribute to discomfort, but the relationship is complex.
A new study found that receiving treatment at Primary Stroke Centers (PSCs) led to significantly better survival rates for patients traveling less than 90 minutes. However, the benefit was nullified when travel time exceeded 90 minutes. The study used a cohort of Medicare beneficiaries with acute stroke admitted between 2010 and 2013.
A recent study found that only 53% of Americans are aware of food waste being a problem, despite its negative environmental impacts. The study identified practical benefits such as reduced risk of foodborne illness, but also feelings of guilt and misconceptions about the importance of food waste.
Scientists have found that neutrinos can exist in a state of superposition, with no definite flavor or identity, while traveling hundreds of miles. This phenomenon is unexpected under classical theories and confirms the reach of quantum mechanics even at large scales.
Researchers from seven European institutions and five US universities aim to understand the glass transition, a problem plaguing physics and chemistry for a long time. The collaboration hopes to find a unified understanding of the glassy state of matter and its properties.
The study uses data from cameras and smartpens to track students' actions while watching instructional videos. Researchers identified four archetypes of problem-solving methods, which could help coaches identify successful approaches and provide targeted support.
A new study found that NFL, NBA, and NHL teams have a higher winning percentage when traveling east compared to west. The researchers analyzed data from the past five years of regular season games in these sports leagues, highlighting the importance of circadian rhythms on sport performance.
A Yale team has developed a new waveguide system that harnesses the interaction of light and sound waves to boost light intensity on a silicon microchip, solving a long-standing problem in hybrid technologies. The breakthrough enables precise control over the interaction, leading to potential commercial applications in fiber-optic comm...
Researchers studied Physarum polycephalum's decision-making abilities using the two-armed bandit problem, finding it compares relative options to make adaptive decisions. The slime mold's algorithm exploits environments in proportion to their reward experienced through past sampling.
Researchers detected cold gas clouds traveling at 1 million km/h toward a black hole in the Abell 2597 Cluster. The discovery offers new understanding of how black holes ingest fuel, with implications for our knowledge of accretion processes.
Researchers show that Super Mario Brothers' level completion can be constructed to be PSPACE-hard, a class of problems considered even harder than NP. This suggests that completing a difficult level in Super Mario Brothers may require an exponential amount of time and computational effort.
Researchers demonstrate how state-of-the-art quantum simulations with trapped ions can be used to solve complex problems like number-partitioning. By applying a strategy known as quantum annealing, they show a faster solution than other methods.
A novel system uses thin slivers of diamond to measure electron beam polarization with unprecedented accuracy. The diamond-based detector provides direct and accurate measurements, overcoming previous uncertainties caused by laser beam distortions.
The study uses a rare type of cosmic ray that acts like a tiny timer to determine the age and distance of galactic cosmic rays. The results suggest that these cosmic rays were created recently and are coming from nearby clusters of massive stars within 3,000 light years of Earth.
A traveling spike generator has been found to initiate brain waves in the hippocampus, a part of the brain associated with memory. The generator appears to move across the region while generating brain waves, but produces no electrical signal. This discovery may provide new insights into epilepsy treatment and memory consolidation.
University of Minnesota researchers record first-ever videos of heat moving through materials at the nanoscale, traveling at the speed of sound. This breakthrough could aid in designing better, more efficient materials for a wide range of applications, including personal electronics and alternative-energy technologies.
Research suggests that relying on smartphones for internet access while traveling can cause significant anxiety. The study, conducted by Hui-Jen Yang and Yun-Long Lay, found that young people and those with higher levels of education experience greater 'smart phone web-dependence' and associated anxiety.
A review found Gamblers Anonymous reduces depression, anxiety, and stress in individuals using it in conjunction with other therapeutic approaches. Combining GA with stress management or cognitive behavioral therapy shows significant improvements in gambling symptoms and overall well-being.
Researchers discover a new way to view complex groups of atoms in motion using coherent X-rays, revealing voids and nanocolumns that form during thin film production. This technique improves the quality of commercial applications such as solar panels and drug delivery systems.
Bumblebees are unable to share their pollinating knowledge with less experienced bees, according to a study published in PLOS ONE. The researchers set up an outdoor flight cage with artificial flowers and found that more experienced bees frequently attacked newcomers who tried to copy their foraging routes.
Research suggests that if males traveling from far-off areas are less attractive to females, connectivity between populations can be greatly reduced. This finding has significant implications for conservation efforts, highlighting the need for better understanding of animal dispersal and habitat fragmentation.
Conservatives tend to use a more structured approach, while liberals rely on 'Aha!' insights. Research from Northwestern University finds these cognitive styles affect everyday problems beyond politics.
Physicists have successfully simulated a disordered quantum system on the largest supercomputers, providing new insights into the many-particle problem. The researchers used controlled experiments and computer simulations to study the behavior of materials such as high-temperature superconductors.
A PLOS ONE study found that inhibitory control affects physical problem-solving in pet dogs. The ability to 'wait-for-treat' was identified as a key factor in their problem-solving performance.
Research suggests that cancer cells rarely form metastatic tumors on their own but instead travel in groups for increased chances of survival. These traveling cells differ from those within primary tumors and may be intrinsically resistant to chemotherapy due to molecular programs that facilitate their movement.
A study by Sarah Benson-Amram and colleagues found that carnivore species with larger brains relative to their body size were more successful in solving a novel problem-solving task, with bears being the most successful and meerkats and mongooses being the least. The results support the theory that brain size predicts cognitive abilities.
A new study by the University of Exeter found that grey squirrels solve problems in the search for food through persistence and choosing effective behaviors. The research showed increased experience, higher persistence, and behavioral selectivity are directly related to improved problem-solving efficiency.
Scientists from Duke University developed a freely available computer program based on the traveling salesman mathematics problem to find the least-repetitive genetic code. This allows synthesizers to easily explore synthetic biomaterials previously unavailable to most researchers.
Scientists have found a way to solve complex problems using a quantum computer traveling along 'open timelike curves' without breaking the laws of causality. This breakthrough allows for supercomputational power while maintaining the integrity of quantum principles.
A recent study found that the chikungunya virus can lead to severe brain infections, including encephalitis, with a higher incidence rate than West Nile virus and similar infections in the US. The infection is particularly severe in infants and people over 65, with a high death rate of 17% and long-term disabilities reported.
A new CHOP study finds that teaching problem-solving skills and leadership opportunities to elementary school-aged African-American girls can lower relational aggression. The Friend to Friend program improved social problem-solving knowledge and decreased relational aggression in urban minority girls, with positive effects lasting at l...
Researchers at Northwestern University found Cuba's Internet connection to be among the poorest in the Americas, with information traveling back from the US taking up to 270 milliseconds. The team is exploring a possible configuration problem or routing policy as the cause of this delay.
Babies born to mothers traveling to the US for birth have significant medical complexities, longer hospital stays and increased re-hospitalization. The study found an average maternal age of 4 years older, doubled median hospital stay length and higher mortality rate compared to control group.
Researchers at University at Buffalo have discovered that the Huntingtin protein controls the movement of Rab proteins in neurons, which can lead to neurological problems if disrupted. The study sheds light on an enduring neuroscience mystery: the root causes of Huntington's disease.
Scientists have developed a new technique to measure the speed of internal waves below the ocean surface using a single satellite image. This allows for more accurate information to be obtained from satellites, enabling researchers to track ocean currents and objects moving on or below the surface.
A study by University of Florida scientist Derek Cummings found that high temperatures during strong El Niño seasons increase dengue incidence in Southeast Asia. Urban areas act as 'pacemakers' for traveling waves of epidemics moving to nearby rural areas.
A nationally representative study found racial/ethnic minorities and unemployed individuals spent more time traveling to, waiting for, and receiving medical care. Face-to-face time with physicians averaged 20.5 minutes and did not vary by patient race/ethnicity.
A small study highlights how former problem drinkers determine whether to disclose their non-drinking status in social situations, often weighing the risk of social stigma. Most participants reported stressing that it was okay for others to drink around them, while some opted to avoid the issue altogether.
A new stink bug has been identified as the primary pest problem for soybean crops in Texas, causing economic damage. Entomologists are developing targeted control methods, including using trap crops and resistant varieties, to mitigate the issue.
A study by C. Page Moreau and Marit Gundersen Engeset found that adults' creativity suffers when given well-defined problems to solve, such as building with Legos. This can lead to a reliance on routine tasks and decreased performance on subsequent creative tasks.
Astronomers using NASA's Swift satellite have discovered concentric X-ray rings centered on a black hole, which form due to the 'echo' effect of light traveling through dust layers. The findings provide insights into the normally invisible interstellar dust and allow for better understanding of the black hole's behavior.
A new study suggests that brain activity can predict how likely young adults are to develop problem drinking or engage in risky sexual behavior. The research found that imbalance in the function of typically complementary brain areas, such as the ventral striatum and amygdala, is associated with increased risk.
Researchers discovered a way to suppress nonlinear distortions in optical fibers, eliminating signal regeneration needs. This breakthrough enables more bandwidth availability and increased data transmission.
A new study has created a map of fecal viruses traveling global waterways using modeling methods. The map helps assess water quality worldwide and design treatment and vaccination programs to prevent sewage-associated diseases.
Researchers have demonstrated autonomous locomotion in large self-powered soft liquid metal vehicles. The vehicles can divide into smaller ones while maintaining their motion and reunite seamlessly when close to each other.
A new study from the University of Missouri found that personalized computer feedback can significantly mitigate problem gambling behaviors in college-aged adults. Participants who received individualized feedback from a computer showed a significant decline in problem gambling behavior compared to those who received standard informati...
Researchers from UEA and international partners utilized wave turbulence theory to tackle the Fermi-Pasta-Ulam problem, a 60-year-old numerical experiment. They successfully predicted long thermalization timescales and corroborated their findings with extensive simulations.
A CAMH survey found that nearly four in 10 workers are reluctant to disclose mental health problems to their managers, citing concerns about career impact and stigma. However, the study also reveals that supportive policies and positive relationships with managers can encourage disclosure and create a more supportive work environment.
Researchers at MIT developed an algorithm to optimize optimization algorithms, guaranteeing the best possible solution for complex engineering problems. By using a Gaussian smoothing technique, they generate a sequence of simpler problems that progressively add complexity, ensuring convergence to a global minimum.
Electrons in a crystal lattice move at incredible speeds, with one type of electron traveling at 5000 km/s. By studying the delay between electrons traveling through different atomic layers, researchers gained insight into the behavior of electrons within the crystal's microcosm.
A Penn State researcher developed a simple model to select the right-sized boulder to stop a truck traveling at 30 miles per hour. The model considers factors like soil density and boulder displacement, accurately predicting an effective boulder size for embassy protection.
A new study reveals that US workers are prioritizing paid work time over sleep, with short sleepers working longer hours and traveling more. Flexible work start times could be a solution to address this issue and promote better sleep habits.