Researchers at Indiana University have calculated the lifetime energy requirements of multiple cell types and genes, revealing a linear relationship between energy consumption and cell volume. This study challenges existing theories on the role of mitochondria in driving genome complexity and evolution.
Two studies examined long-term outcomes in childhood and young adult cancer survivors, finding increased hospitalization rates for certain types of cancer. Long-term survivors also faced a higher risk of neurocognitive impairment, particularly those with osteosarcoma.
Researchers have developed a new computed tomography method that uses scattering to visualize nanostructures in objects measuring just a few millimeters. This technique allows for the precise three-dimensional visualization of collagen fibers in human teeth, revealing their detailed structure for the first time.
Researchers at Kumamoto University have successfully connected iPS-derived kidney cells to a capillary network, enabling the formation of a functional filtration membrane. This breakthrough has significant implications for regenerative medicine and organ transplantation, particularly for patients with renal failure.
Researchers develop simple raisin test to forecast a child's attention and learning capacity. The test shows that premature-born toddlers are more likely to struggle with attention regulation and academic achievement.
A study found that after 6 months of hydroxyurea treatment, sickle cell disease patients' kidney function improved significantly. The urinary albumin/creatine ratio decreased, indicating a potential renal benefit of HU in sickle cell disease.
Researchers from TUM developed a robust intestinal model for molecular research into incretin release, growing mini-intestines in a test tube that exhibit functions of the human intestine. The mini-intestines can absorb nutrients and release hormones, transmitting signals to control these processes.
Atomic-level imaging of catalysts using ORNL microscopy has enabled the tracking of atomic reconfigurations in individual platinum-cobalt nanoparticle catalysts during heating. This study provides valuable insights into the evolution of specific atomic configurations and their impact on catalytic performance.
Researchers at Columbia University Medical Center found that neighboring serotonin-producing brainstem regions exert different and sometimes opposing effects on behavior. Alterations in serotonergic neuronal activity in the DRN and MRN produce markedly different behavioral consequences, leading to an imbalance between DRN and MRN activ...
A case of aconitine-induced cardiovascular symptoms is reported in the Canadian Journal of Cardiology. The patient developed bidirectional ventricular tachycardia after consuming a medicinal liquid containing aconitine, a toxic substance from the Aconitum plant.
A comprehensive study found that bullying and physical fighting prevalence varies greatly across countries; in wealthy but unequal nations, education investment reduces physical fighting rates
Researchers at Wyss Institute for Biologically Inspired Engineering at Harvard have deciphered the 3-dimensional architecture of a chiton mollusk's eyes, which are made of inorganic aragonite crystals. The findings could help determine rules for generating man-made multifunctional materials with sensory capabilities.
Despite improved email security measures, significant issues remain, including downgraded communication and lack of encryption on some servers, according to a new report. The study highlights the need for individuals and organizations to adopt secure protocols to protect sensitive data.
Scientists from Scripps Research Institute have found that the interaction between a pair of brain proteins has a substantial effect on memory formation. The study reveals that when these two receptors interact, the ghrelin receptor changes the structure of the dopamine receptor and alters its signaling pathway.
Researchers from the University of Southampton developed a new type of drug that activates stem cells in bones, causing them to divide and produce more bone cells. This approach may lead to faster and more effective bone healing, particularly for people undergoing hip replacement surgery.
A study published in Cell Metabolism found that weight loss surgery curbs sweet tooth behavior by reducing dopamine release in the brain. The research suggests that positive outcomes are more likely if sugary foods seem less rewarding after surgery.
A team of researchers has made significant progress in developing a miniature particle accelerator on a microchip, with the potential to revolutionize various fields such as biology, materials science, security scanning, medical therapy, and X-ray imaging.
A new study published in the American Sociological Review found that more than half of children in the US either misperceive or reject their parents' political party affiliations. The study suggests that parent-child communication and social support do not necessarily lead to accurate transmission of political values.
Scientists can now observe neurons' electrical activity in real-time using a highly sensitive molecule fused with a fluorescent protein. This breakthrough allows researchers to study brain processing in living animals, offering unprecedented insights into cell-to-cell communication.
Researchers have identified a biochemical pathway regulated by aspirin, which decreases the level of 2-hydroxyglutarate, a driver of cancer development. This study adds to the evidence for aspirin's importance in cancer prevention and highlights a new pathway worth further investigation.
Researchers found that combinations of non-toxic chemicals, many derived from plants and foods, may stop untreatable cancers and prevent disease relapses. The task force identified 74 molecular targets with potential anti-cancer effects, paving the way for low-cost therapies.
A new report reveals that fewer than one in three hospitals employ a full-time doctor specializing in liver medicine, leading to a postcode lottery for patients. The UK's specialist liver centres provide excellent care but are not evenly distributed, resulting in poor patient outcomes and a lack of access to specialist care.
Researchers have sequenced the complete genetic makeup of a type of algae called haptophytes, which are abundant in oceans and account for 30-40% of photosynthesis. The study reveals new insights into how these algal species regulate their fat content, which could help improve biofuel production, nutrition and ecology.
Research found that prenatal exposure to marijuana improves a child's ability to track moving objects, while alcohol has a negative effect on visual processing. The study suggests that health professionals can counteract the negative effects of drug use in pregnancy.
Researchers found a categorical distinction between people who are heterosexual and those who are not, with notable mental health issues among non-heterosexuals. The study's findings support biological hypotheses of sexual orientation and challenge the notion of homosexuality as a lifestyle choice.
A new study found that children from chaotic homes who attended more hours of child care experienced better cognitive, emotional and social development. Higher degrees of household chaos were associated with less optimal executive functioning, weaker vocabularies and worse social behavior.
A mass drug administration (MDA) program implemented in Southern Greece eliminated malaria cases for two years, preventing a resurgence of the disease. The MDA covered 87% of an immigrant population and was effective in minimizing the risk of drug resistance.
Researchers found that electric mobility could be a crucial factor in reducing CO2 emissions from transportation, which currently accounts for 23% of global emissions. Improved urban infrastructure policies, such as investing in public transport and bike paths, can also lead to significant reductions in emissions.
Typhoon In-fa intensified quickly from a tropical depression to a typhoon, maintaining tropical-storm force on Nov. 19. Rainfall data revealed powerful convective thunderstorms with rates over 74 mm/hour, while storm top heights reached up to 16.7 km.
A new study published in the American Journal of Clinical Nutrition found that consuming tree nuts lowers total cholesterol, triglycerides, LDL cholesterol, and ApoB, key factors used to evaluate a person's risk of cardiovascular disease. Consuming at least two servings of walnuts per day has stronger effects on total cholesterol and LDL.
Researchers have revealed the architecture of a protein complex called CCAN, which plays a foundational role in chromosome segregation during cell division. The study found that each subcomplex needs to touch many others to be functional, forming a mesh structure crucial for kinetochore assembly and stability.
Research at the University of Sussex found that loving-kindness meditation can reduce racial bias, with increases in other-regarding emotions driving the reduction. The study used the Implicit Association Test to measure reaction times and found that seven minutes of LKM reduced prejudice towards a specific ethnic group.
A new study published in JAMA Psychiatry found that a free, web-based cognitive behavioral therapy tool called MoodGYM can reduce suicidal thoughts in interns by nearly four times the normal rate. The tool offers a digital, streamlined form of talk therapy to support mental health.
Researchers found that brain activation patterns of individuals with autism spectrum disorder adapt differently during implicit learning, with slower recognition of familiar patterns. The severity of symptoms correlates with the degree of brain adaptation, suggesting a link between neural characteristics and core ASD symptoms.
Researchers at Boston University School of Medicine have identified Th17 cells and Th1 as key players in obesity-associated type 2 diabetes. The study reveals a biomarker that can predict the development of Type 2 diabetes in 75% of people with obesity, offering new potential targets for prevention.
Researchers found that mice exercising on a wheel increased SIRT3 levels, protecting against neurodegeneration and degeneration. Bolstering mitochondrial function with gene therapy technology also offered protection against stress and age-related cognitive decline.
A new algorithm combines apparent motion of obstacles with a target direction to avoid collisions, resulting in the formation of common routes. This approach is inspired by insects' navigation and can be used for autonomous robots navigating complex environments.
Researchers at TSRI are developing a potential heroin vaccine to block the drug's active products from reaching the brain. The vaccine trains immune system antibodies to recognize and bind to heroin molecules, reducing the risk of relapse in recovering addicts.
Researchers found that infants of blind parents paid less attention to adults' eye gaze compared to those with sighted parents. However, these infants developed advanced visual attention and memory skills, suggesting active learning from their blind caregivers.
A study published in Respirology found that high levels of physical activity may worsen asthma control in young females, but not males. The research highlights the importance of considering physical activity when treating asthma in highly active females.
Cancer researchers have developed an animal model to study and target the rare tumor angiosarcoma. By controlling mTORC1 activity, they found that blocking key targets effectively halted tumor development and growth.
Researchers at UMD and ARL have created a Water-in-Salt aqueous Lithium ion battery technology that doubles the voltage of current batteries without fire risk or poisonous chemicals. The new technology holds great promise for safety-critical applications, including electric vehicles and grid storage.
Researchers have developed two new catalysts effective in removing trichloroethylene, a carcinogenic compound found in tap water, through hydrodechlorination. The catalysts, cheaper and more efficient than existing ones, enable a wider use of the reaction to purify water.
Researchers at the Babraham Institute have discovered a delicate balance between three key transcription factors that determine the fate of trophoblast stem cells. This balance, rather than the presence or absence of individual factors, dictates whether stem cells self-renew or differentiate into specialized cell types.
Researchers have found that a commonly used Type II diabetes medication can effectively clear fatty liver disease from some patients. After a 48-week trial, 4 out of 10 patients showed significant improvement in non-alcoholic steatohepatitis symptoms.
A recent study by the CDC found that US adults now smoke at a rate of 17.8%, the lowest since 1965. However, smoking rates remain high among three groups: American Indians, LGBT individuals, and those with mental health issues. The largest non-profit quitline in the US is hiring Native coaches to better serve these communities.
A national insurance database analysis revealed that 1 in 352 women had unsuspected cancer after undergoing minimally invasive gynecologic surgeries. The study highlights the need for safer alternatives to power morcellation to avoid worsening a woman's prognosis.
Researchers at the University of Georgia have developed a technique to measure an individual's visual processing speed, which can predict executive cognitive functioning. The study used a simple test of visual flicker to evaluate brain function quality, and found that older adults had slower visual processing speeds.
Scientists have developed an app to monitor food security using a smartphone, combining weather and soil moisture data from satellites with crowd-sourced data on population vulnerability. The tool has shown promising results in the Central African Republic, providing valuable information for organizations like Doctors without Borders.
Researchers at the University of Massachusetts Amherst are exploring the potential impact of Antarctica's ice sheet melting on global climate. They will use a high-resolution ocean model to simulate iceberg calving and freshwater discharge, which could disrupt ocean currents and circulation in the North Atlantic.
A global study found that children around the world recognize and respond to scenarios that put them at an unfair disadvantage, but differ in their responses to situations of unfair advantage. In most societies, children take steps to avoid being placed at a disadvantage by middle childhood.
Scientists have discovered that most neurons in visual cortex respond selectively to light vs dark stimuli and combine this information with selectivity for other stimulus features. This discovery sheds new light on how the brain encodes black and white information.
The research provides greater evidence that humans were established in South America more than 15,000 years ago, supporting an earlier peopling of the Americas. The findings also underscore the importance of long-term interdisciplinary research and raise new questions about how the hemisphere was settled.
Researchers have found a potential treatment strategy for glycogen storage disease Ia by inducing autophagy in liver cells, which reduces fat and glycogen levels. A drug called rapamycin stimulates autophagy and improves liver size and function in animal models.
A recent CSIRO study maps the boundaries of the 'dark proteome', a region of proteins with completely unknown structure. The research identifies surprising features in nearly half of the eukaryotic proteome, including associations with secretory tissues and disulfide bonding.
Researchers demonstrated that specific regions in the brain represent sweet and bitter tastes, allowing for control over sensory perception and behavioral actions. Silencing or activating these regions can evoke different taste perceptions, including sweet or bitter, without actual tasting.
Kansas State University researchers are exploring the role of long-distance dispersal in spreading vector-borne infectious diseases. They will evaluate control methods such as limiting animal movements and reducing vector populations to develop rules of thumb for controlling outbreaks.
Researchers found a significant association between coarse particles in the air and increased cardiovascular hospitalizations in people 65 and older. The study, published in Environmental Health Perspectives, analyzed data from 110 large urban counties in the US and linked it to Medicare data on hospitalizations from 1999 to 2010.
Researchers trained pigeons to distinguish between benign and malignant breast histology and radiology images, showing their ability to generalize what they learned. The study suggests that pigeons could aid in understanding human medical image perception and performance assessment.
University of Wisconsin-Madison scientists successfully grew functional vocal cord tissue in the laboratory using bioengineering techniques. The tissue was able to transmit sound and showed similar characteristics to native tissue, paving the way for potential clinical applications.