Researchers at MIT and HMS have precisely measured the growth rates of single cells, revealing that mammalian cells divide when their growth rate hits a specific threshold. This breakthrough offers a possible explanation for how cells determine when to start dividing.
Researchers have made a major advance in efforts to regenerate damaged hearts by transplanting human cardiac muscle cells that electrically couple and beat in sync with the heart's own muscle. These grafts reduced the incidence of arrhythmias in a guinea pig model of myocardial infarction.
Researchers found that neutrophil elastase impairs insulin signaling and boosts resistance. Deletion of NE in obese mice improved insulin sensitivity. Neutrophils may hold the key to developing treatments for insulin resistance and diabetes.
A new study on malaria genomes reveals significant genetic diversity in Plasmodium vivax, a species of malaria that affects humans outside Africa, making it adept at evading drugs and vaccines. The research also sequenced the genome of Plasmodium cynomolgi, a close relative that infects Asian monkeys.
A breakthrough in technology has enabled the removal of unwanted toxins from crops, making oilseed rape more suitable for animal feed. This innovation could significantly enhance the use of rapeseed meal and promote more sustainable farming practices.
Research finds that grateful teens experience increased happiness, less depression and delinquency, and improved attitudes towards life. Over a four-year period, teenagers who developed greater gratitude showed significant improvements in well-being.
The study found that Shigella sonnei, a bacterium previously thought to be more common in developing countries, is now spreading globally due to its high levels of drug resistance. The researchers suggest that vaccine development will be crucial in controlling the disease.
Cancer cells respond differently to therapy based on their microenvironment, with fibroblasts sustaining DNA damage that promotes growth and resistance. The discovery could lead to more effective treatments by targeting the tumor microenvironment.
A new international study found that increased acidity affects shell size and weight, with a trend observed across multiple marine species. The research suggests that these changes will have significant impacts on humans and the ocean's large animals.
Researchers found that reducing lies can lead to improved mental and physical health, including fewer complaints about tension, headaches, and sore throats. Participants also reported better relationships and social interactions when they lied less.
A survey of 15,000 voters found that white Americans tend to prefer people of their own race, with over 70% showing implicit racial bias. The research team measured unconscious racial attitudes using the Implicit Association Test (IAT) and found a significant pattern among eligible white voters.
Research findings suggest that cyberbullying is a less common phenomenon compared to traditional in-person bullying. Most cyberbullied students are also exposed to traditional forms of bullying.
Researchers propose a structure-aware image stylization method to generate artistic effects using single digital images as input. The approach preserves fine structure details and executes efficiently in real-time for large resolution images on a GPU, enhancing users' immersive feelings and recognition speed.
Researchers have created a new technology called standing wave axial nanometry (SWAN) that allows for 3D measurements of single biological molecules with nanometer accuracy. This breakthrough enables scientists to study the height and interactions of individual molecules, advancing our understanding of cellular behavior.
Researchers have identified a shared signalling pathway in mice that leads to intellectual disability in both Fragile X syndrome and Down syndrome. The study reveals that the Down syndrome critical region 1 protein interacts with the Fragile X mental retardation protein to regulate dendritic spine formation.
Researchers face challenges in porting applications across different mobile devices and platforms due to screen size and input/output differences. A new device-independent mobile application model aims to reduce software development costs and maximize profits.
A team of researchers at Mount Sinai School of Medicine found that Aurora A (Aurka) activates p53 by phosphorylation, promoting ESC self-renewal. The study provides insight into the role of Aurka in embryonic stem cell regulation and cancer development.
A study published in the International Journal of Bilingualism found that bilingual children excelled in tasks requiring selective attention and mental agility, while monolingual children struggled. The research suggests that bilingualism can increase mental agility and benefits in areas such as problem-solving and creative thinking.
Researchers at Wayne State University are working on a new technique to analyze fetal chromosomes in the first trimester, which could lead to healthier outcomes for mothers and babies. The approach involves collecting placental cells from the cervix using a safe and non-invasive method.
Researchers at National University of Singapore have identified a novel double-stranded DNA structure, dubbed S-DNA, which has sparked a 16-year scientific debate. The team's findings suggest that S-DNA may be a potential binding substrate for DNA intercalators and proteins.
Researchers have found that strawberry extract acts as a protector against ultraviolet radiation, increasing cell viability and reducing DNA damage. The study's findings suggest potential photoprotective properties of anthocyanins, which are also responsible for the red color of strawberries.
Researchers have successfully produced and implemented single particles of light into a quantum key distribution link, enabling secure communication networks. The experiment uses semiconductor nanostructures to emit single photons with high efficiency, making it possible to transmit keys over longer distances without interception.
The last remaining Javan rhinoceros in Vietnam has been confirmed extinct, with only one individual found alive in 2009. Researchers are now focused on saving the remaining population of 29 individuals living in Indonesia's Ujon Kolong area, using genetic tools to determine their age, sex, and pedigree.
Researchers found that birds experiencing dramatic seasonal swings in temperature and precipitation sing more variable songs. This adaptability helps them communicate effectively across different habitats. The study analyzed over 400 male birds from 44 species, including orioles, warblers, and finches.
MDC researchers have developed a new treatment approach for acute liver failure by utilizing the protein ARC, which stops excessive apoptosis in the liver. The treatment, TAT-ARC, has been shown to reverse liver failure and restore function in mice, offering a promising new hope for patients with this life-threatening disease.
The Cancer Prevention and Research Institute of Texas (CPRIT) has awarded UT Southwestern Medical Center a total of $48.2 million in new grants to support high-impact cancer research and expand access to critical prevention programs across Texas. The awards include funding for seven Multi-Investigator Research Awards and 14 projects to...
A UCLA study finds that a computerized brain fitness program significantly improves memory and language skills in older adults. The six-month program, used by participants aged 84, demonstrated improved cognitive function compared to those who played less frequently.
Three tropical cyclones, Tropical Storms Damrey and Saola, and Tropical Depression Haikui, are active in the northwestern Pacific Ocean. AIRS data showed that cloud top temperatures in Damrey and Saola were warming, while Haikui had a large area of cooling cloud top temperatures, indicating strong storms and heavy rain.
Scientists investigated why ethylene causes tomatoes to mature after picking but not peppers. They found that genes involved in breaking down the cell wall and carotenoid biosynthesis were produced in greater quantities in both tomatoes and peppers, suggesting a different ripening mechanism for non-climacteric fruits like peppers.
Researchers created a bilinear spatiotemporal basis model that simplifies animation editing by accounting for both space and time. The model enables compact, powerful, and easy-to-manage animations with millimeter precision.
Human HLA genes are evolving rapidly, improving disease-fighting abilities but complicating organ transplant matching. The vast number of variants makes it unlikely to identify a perfect match through worldwide searches.
Researchers at Disney Research developed a markerless motion capture technique that captures 3D poses implicitly by estimating the underlying physics of motion. This method generates biped controllers, which can be applied to characters in new environments, enabling more realistic animations and interactions.
NASA's Terra satellite captured an image of Tropical Storm Ernesto as it approached the Lesser Antilles on August 2, 2012. The storm brought maximum sustained winds near 45 mph and a wind gust in Saint Lucia during the morning of August 3.
Researchers at Disney Research have created a technology called Botanicus Interactus, which enables plants to control digital devices with touch detection. This technology uses Swept Frequency Capacitive Sensing and machine-learning algorithms to recognize frequency changes associated with touches on the plant.
Researchers at Disney Research have developed a new technology called REVEL that can create the illusion of changing textures in augmented reality. This technology uses reverse electrovibration to manipulate the user's tactile feedback, opening up new possibilities for interactive displays and haptic feedback.
Researchers have discovered a binary star system, QU Carinae, which may produce a type Ia supernova. The system's white dwarf is accumulating mass from a giant star, producing sodium gas that could be detected after the explosion.
Research shows adolescents' brains mature intellectually before they mature socially or emotionally, influencing how policymakers and courts treat teenagers. The findings could impact policies on medical decision-making, autonomy, and punishment for juveniles.
Researchers discovered that elephants produce infrasounds by vibrating their large larynxes, similar to the human voice. This finding reveals the physical production mechanism behind these subaudible sounds, which play a crucial role in elephant communication and social life.
New human-derived breast cancer models retain heterogeneity, allowing researchers to test drugs more accurately. These models can help identify unique features in individual tumors, enabling targeted treatment.
The University of Houston has been awarded the largest grant in Texas this funding cycle, totaling $426,115, to study and publish a 10th-century manuscript of Homer's Iliad. The grant was announced by the National Endowment for the Humanities (NEH), supporting research in classical studies.
Notre Dame physicists are utilizing a new particle accelerator to recreate stellar nuclear processes in the lab. The research complements observational studies of new telescopes, shedding light on cosmic nucleosynthesis processes.
A new study by Emanuela Guidoboni and colleagues reveals the historical record on ancient and medieval earthquakes in L'Aquila has gaps that must be addressed to assess seismic hazard. The region experienced multiple strong earthquakes, with a tendency to produce simultaneous events varying in impact.
Researchers have created virtual humans that can mimic symptoms of psychological disorders, allowing for realistic interactions with therapists. The technology is being developed to improve clinical training and provide a safe and effective environment for novice clinicians to gain exposure to various clinical conditions.
Researchers discovered that lady beetles intercept and utilize Azteca instabilis ants' alarm pheromones to locate safe egg-laying sites. This finding reveals a complex interaction between insects, with potential implications for pest management on coffee plantations.
A new study found that individuals with allergies had a significantly lower risk of developing glioma, a type of brain tumor. Women were more likely to benefit from this reduced risk, with those testing positive for elevated allergen-specific IgE experiencing a 54% decrease in glioblastoma risk.
Researchers at EMBL develop method to follow molecules under light and electron microscope, revealing crucial protein interactions in endocytosis process. They discover actin scaffolding protein forms network pulling membrane inwards.
Red swamp crayfish, an invasive species introduced to enhance fisheries in East Africa, has been found to adapt and survive on terrestrial plants when water levels are low. This discovery highlights the species' incredible resilience and potential for further ecological damage.
A study by Michigan State University found that parents use physical discipline more frequently in public settings, with 23% of children experiencing negative touch, including arm pulling and spanking. Positive touch, such as hugging and patting, is more effective in encouraging compliance.
Researchers have discovered that plants like Arabidopsis select a specific bacterial community from the diverse microbial ecosystem in the soil, with Actinobacteria, Proteobacteria and Bacteroidetes phyla being preferred. This community is dependent on soil type and plant genotype, and plays a crucial role in plant health.
Research at the American Psychological Association's convention found that cardiorespiratory fitness is a significant factor in middle school students' academic performance. Students who are physically fit scored higher on reading and math tests, with social support also playing a role for boys.
A team of engineers at Washington University in St. Louis will receive $2 million to design a battery management system for lithium-ion batteries, guaranteeing their longevity and safety. The project aims to push the current technology to 100-percent efficiency while maintaining battery lifetime.
A new study has found a significant increase in rare de novo genetic mutations in individuals with testicular cancer, suggesting these mutations may be indicative of conditions that result in reduced fertility. The researchers propose that the paradigm of a de novo germline disease etiology may be less applicable to late-onset cancers.
Research by Monash University scientists found that genetic variation in mitochondrial DNA can predict male life expectancy, but not female. The study suggests that these mutations, which affect males' aging speed and lifespan, are passed down from mothers due to the unique inheritance pattern of mitochondria.
Researchers at WashU Medicine found that administering antibiotics before cesarean section surgery cuts infection rates in half. The study, published in Obstetrics & Gynecology, followed over 8,000 women and found significant reductions in surgical site infections after policy change.
A Purdue University student's research on zebrafish eye development may help understand vision problems affecting billions worldwide. The study found an enzyme's role in regulating eye size, which could be relevant to human vision issues.
Researchers found that female common cuckoos with alternate color morphs, such as bright rufous, are more likely to slip past host defences and lay undetected. The study suggests that social learning plays a key role in the evolution of mimicry in cuckoo species.
Researchers at Sanford-Burnham Medical Research Institute have discovered a molecule that converts stem cells into heart cells, potentially replacing diseased or damaged tissue in heart disease patients. The molecule, ITD-1, blocks TGFϐ signaling, allowing stem cells to differentiate into cardiomyocytes.
A study found that 43.5% of websites providing search results for infant sleep safety provided accurate information, while 70% of adults relied on internet health information without verifying its accuracy.
Researchers aim to develop 'Mobile Manipulating UAVs' with dexterous limbs for near-ground tasks like infrastructure repair and border inspection. The team's goal is to create stable and interactive systems that can assist in emergency response scenarios without destabilizing the aircraft.
Researchers at Whitehead Institute have published a comprehensive catalog of genes active in planarian eyes, shedding light on eye development and regeneration. The study identifies key genes involved in eye biology, including ovo, which plays a critical role in eye formation and regeneration.