A Harvard Medical School study found that indirect media exposure, such as friends' TV viewing habits, is a significant factor in eating disorder symptoms among adolescent girls in Fiji. Social network exposure was linked to a 60% increase in high-level eating disorder symptoms, independent of individual viewing habits.
Researchers at UC Santa Cruz identified a crucial molecule for blood stem cells' niche in the bone marrow, potentially improving transplant safety and efficiency. The study's findings may lead to safer and more effective treatment options for cancers like lymphoma and leukemia.
Researchers discovered that extinct ammonites had jaws and teeth adapted for eating small plankton using synchrotron scans. The study provides new insights into why ammonites went extinct 65.5 million years ago due to an asteroid impact.
A US study analyzed 26 school-based nutrition interventions, revealing that classroom nutrition education and parental involvement were the most commonly used components. The study emphasizes the importance of synthesizing findings to inform research and program development for effective childhood obesity prevention.
According to the study, posture plays a crucial role in determining whether people act as though they are really in charge. Adopting an expansive body posture activates a sense of power that produces behavioral changes independent of actual rank or hierarchical role in an organization. In contrast, recalling an experience of being in a...
Researchers create genetic sequences never seen in nature and produce substances sustaining life in cells almost as readily as natural proteins. The team's work represents a significant advance in synthetic biology, suggesting the construction of artificial genomes capable of sustaining cell life may be within reach.
Children with ADHD have difficulty focusing due to an 'off-switch' that requires higher incentives or medication to function properly. This study provides new insights into the brains of children with ADHD and how incentives can help them concentrate.
A research team led by Richard Waugh is investigating the reasons behind the limited attraction of white blood cells to injured tissue. They aim to develop pharmaceutical treatments that can modulate the response of white blood cells.
Researchers at Arizona State University have discovered a core with an iron-rich center, resembling Earth's core, using array processing techniques on Apollo seismic data. The discovery sheds light on the lunar interior's composition and structure, providing insights into the Moon's ancient origins.
Scientists have discovered that narrow jets of plasma, known as spicules, shoot up from the Sun's surface and insert heated plasma into its outer atmosphere. This finding addresses a fundamental question in astrophysics and provides an observational challenge to existing theories of coronal heating.
Research suggests that developing biofuel from native perennials instead of corn in the Midwest's rolling grasslands would better protect threatened bird populations. The study found that bugs and birds thrive more in mixed prairie grasses than in corn, with twice as many species making their homes in grasses.
The Muscular Dystrophy Association granted Acceleron Pharma a $1.5 million award to support the clinical studies of ACE-031 in Duchenne Muscular Dystrophy patients. The grant will enable gathering safe dosing and pharmacodynamic activity information vital to future studies.
SmartSignal's patented technology helps predict pump failures at nuclear facilities, later developed for power and oil & gas industries. GE acquisition aims to utilize its software and services to monitor machinery and equipment, analyze data, and diagnose problems proactively.
The North American Computational Linguistics Olympiad (NACLO) has received the LSA's 2011 Linguistics, Language and the Public Award for its impact on public awareness of linguistics. The competition, founded in 2006, identifies high school students with linguistic talent and acquaints them with computational linguistics.
A new study finds that extending data exclusivity periods would result in higher drug costs in the short term but also lead to more than 200 extra drug approvals. This could potentially increase life expectancy in several decades.
A study published in Liver Transplantation found that over half of liver transplant patients develop metabolic syndrome, a condition associated with obesity, hypertension, and diabetes. This increases their risk for cardiovascular disease and mortality, but not necessarily mortality itself.
Researchers develop method to treat stormwater in constructed wetland and store it in an aquifer, producing near potable water after treatment. The study demonstrates potential for sustainable water recycling through managed aquifer recharge schemes.
A recent study published in the New England Journal of Medicine found that losing the NFKBIA gene promotes glioblastoma multiforme growth and reduces survival. Restoring this gene may improve survival for certain patients with glioblastoma, as it inhibits tumor cell growth and increases sensitivity to chemotherapy.
Scientists in Japan have discovered a compound in tomatoes that enhances fatty acid oxidation and regulates hepatic lipid metabolism. The extract, 9-oxo-octadecadienoic acid, has anti-dyslipidemic effects and can help prevent vascular diseases.
The discovery of gamma-ray flares in the Crab Nebula, powered by a rapidly spinning neutron star, challenges current theories on cosmic particle acceleration. The flares were caused by super-charged electrons of up to 10 peta-electron volts, 1,000 times more energetic than any man-made accelerator.
Researchers discover that jets of plasma shooting up from just above the Sun's surface are a major source of hot gas replenishing the corona. This finding addresses a fundamental question in astrophysics and provides new insight into the Sun's subtle influence on the Earth's upper atmosphere.
Research suggests that young people prioritize self-esteem over other enjoyable activities like sex, favorite foods, drinking alcohol, seeing a best friend or receiving a paycheck. This fixation on self-esteem may be problematic as it can lead to an unhealthy obsession with boosting one's self-worth.
A carbon swap bank could lead to genuine reductions in carbon dioxide emissions, according to Australian researchers. The concept allows for direct deposits of sequestered carbon and withdrawals of emission rights, bypassing issues with accurate measurement and international regulation.
A new study suggests that freshwater methane emissions impact the global balance of greenhouse gases, with a potential 25% change in net absorption rates. The research highlights the importance of including inland waters in carbon budgets, as they are more active in carbon processing than seas or land surfaces.
Researchers at UCLA have made a groundbreaking discovery about neuronal gap junctions, which could lead to new treatments for anxiety disorders like PTSD. The study found that blocking these gap junctions can disrupt critical rhythms in the brain region most involved in cognition, preventing fear memories from forming.
Researchers at the Salk Institute found that slowing mitochondrial function in specific cells can extend the lifespan of an entire organism. The key finding is that a unique signal emanating from damaged mitochondria in nerve or gut cells extends lifespan, while disrupting this signal has no effect.
A Mount Sinai study found a significant increase in the rate of 'sarcoid-like' granulomatous pulmonary disease among World Trade Center (WTC) responders compared to pre-9/11 FDNY personnel. The condition was associated with environmental exposures and lung function abnormalities.
Women undergoing gastric band surgery reported significant improvements in urinary function and quality of life, while men experienced worsening erectile function. The study highlights the need for further research into the effects of weight loss surgery on urinary and sexual function.
A team of British scientists are heading to the Antarctic Peninsula to collect rock samples and analyze their mineralogy, geochemistry, and isotopic character to determine how glaciers and ice sheets behaved in past climates. They aim to predict how these natural systems will react in years to come if temperatures continue to rise.
A study found that most primary care physicians and kidney specialists prefer shared care for patients with progressive chronic kidney disease, but their preferences on how and when to collaborate differ. Effective collaboration is crucial in slowing CKD progression or preparing patients for dialysis or transplantation.
Researchers have documented genetic abnormalities in human embryonic stem cells and induced pluripotent stem cells, including duplications near pluripotency-associated genes and deletions involving tumor suppressor genes. Frequent genomic monitoring of these cell lines is necessary to ensure their stability and clinical safety.
A UW-Madison team, led by Chris Kucharik and Adena Rissman, is conducting a comprehensive study on the Yahara watershed to understand the links between water systems, land use, climate change, and human activities. The goal is to develop tools for managing water resources in balance with social, economic, and environmental considerations.
A University of Florida study using lice DNA sequencing found that modern humans started wearing clothes around 70,000 years before migrating into colder climates. The research suggests that clothing played a crucial role in human evolution and survival.
Researchers at UT Dallas have developed a novel technology called biscrolling, which enables the production of yarns containing up to 95% unspinnable guest powders and nanofibers. These yarns exhibit remarkable properties, including superconductivity, energy storage, and catalytic activity.
Researchers at UC San Diego found that babies over a year old process words with adult-like brain structures and meanings, challenging previous theories on infant language development. The study used MEG and MRI to map brain activity in infants and confirmed the same left frontotemporal areas activated in adults for word meaning.
Researchers found that global levels of hydroxyl radical, a critical player in atmospheric chemistry, are stable and vary by only a few percent every year. This discovery improves confidence in projecting the future of Earth's atmosphere and reduces concerns about human-caused or natural changes.
Researchers at Carnegie Mellon University found that regional dialects and slang terms on Twitter can predict the location of tweet authors. The study analyzed over 380,000 tweets and found that users from different regions used distinct words and phrases, such as 'yinz' for Pittsburghers and 'coo' for southern Californians.
Researchers at the Eli and Edythe Broad Center of Regenerative Medicine and Stem Cell Research found that neural stem cells maintain high levels of reactive oxygen species (ROS) to help regulate normal self-renewal and differentiation. The findings may have significant implications for brain repair and abnormal brain development.
A new study shows that protein HRG activates specific immune cells to inhibit tumor growth and metastasis. HRG enhances chemotherapy effects and transforms inflammatory cells from promoting to inhibiting tumor growth.
Researchers discover that chromosomal crisis is common in cancer development, causing hundreds of genome fragments and multiple mutations. The phenomenon is particularly common in bone cancers, where the ravaged genome can lead to increased cancer development.
In a sex role reversal, females actively court males after being exposed to cool, dry temperatures as caterpillars. Females raised in cooler conditions live longer lives compared to those mated in the hotter season.
Researchers have discovered that cancer can arise rapidly after a single catastrophic event involving tens to hundreds of genomic rearrangements. This phenomenon, known as chromothripsis, is seen in at least two percent of all cancers and up to 25 percent of bone cancers.
Researchers have created a potential method for detecting Alzheimer's disease with a simple blood test using synthetic molecules. The new technology may lead to blood tests for many important diseases if it proves successful.
A study by the Rakai Health Sciences Program in Uganda found that male circumcision significantly reduced high-risk human papillomavirus (HPV) infection in female partners of HIV-negative men. The protection is partial, and safe sex practices remain essential. Circumcision also increased clearance of HPV infections in women.
Leroy Hood's automated DNA sequencer has enabled the rapid sequencing of DNA, transforming genomics and accelerating scientific discovery. The technology has led to numerous breakthroughs in disease research, personalized medicine, and pharmaceutical development.
Researchers identify potential antibody biomarkers for Alzheimer's, Parkinson's and multiple sclerosis using synthetic compounds. Synthetic peptoids capture immunoglobulin antibodies from blood samples with high accuracy.
NARSAD has awarded $12.6 million in new research grants to support innovative brain and behavior research projects. The Young Investigator grants will fund the work of 214 researchers from around the world, including those studying schizophrenia, depression, bipolar disorder, autism, ADHD, and anxiety disorders.
Researchers have discovered that sulphur plays a crucial role in forming gold deposits by enhancing gold solubility. The study's findings could lead to more successful gold exploration and mining practices.
A study found that combined treatments for severe acute pancreatitis are safe and effective in managing the disease, resulting in shorter hospitalizations and fewer radiological procedures. Primary conservative treatment also showed promise in avoiding surgery and improving patient outcomes.
A study published in The American Journal of Pathology found that mice fed a Western-style diet with high fat and cholesterol developed larger, faster-growing tumors and metastasized more easily. The researchers suggest that measuring blood cholesterol levels may be an effective method of screening cancer development.
Scientists observed temperatures of millions of degrees in gas jets, known as spicules, which could contribute to coronal heating. The discovery offers a new framework for understanding the sun's high atmosphere and its role in space weather.
A web-based curriculum was found to be an effective method for teaching and assessing systems-based practice concepts in surgical residents. The study showed a significant improvement in knowledge of health care business concepts and principles, with residents reporting a preference for Web-based learning.
Researchers used synchrotron X-rays to reveal the last meal of ammonites, a group of extinct sea creatures that were distant relatives of squids and octopuses. The findings suggest that ammonites dined on plankton, which may have contributed to their extinction after a massive asteroid impact.
A new study finds that a simple hemoglobin A1c test can identify individuals with pre-diabetes, allowing them to prevent the development of Type 2 diabetes through diet and exercise. By testing 60 million Americans at risk, healthcare costs can be reduced by up to half.
Researchers at the University of Strathclyde are developing a new type of indicator made of 'intelligent plastics' that changes color when food is about to spoil, cutting unnecessary waste by up to 8.3 million tonnes in the UK each year. This technology aims to improve food safety and reduce the economic damage caused by food waste.
Researchers have developed a 3D picture of a herpes virus protein interacting with human cellular machinery, revealing how the virus hijacks cells to spread infection. This discovery provides new insights into the mechanisms of viral replication and opens up possibilities for preventing or treating viral diseases.
Astrophysicists can now obtain accurate answers to the mystery of accelerating universe expansion thanks to a calibrated Pan-STARRS telescope. The telescope's performance was fine-tuned at many individual wavelengths, allowing for consistent information about supernovae.
Researchers at Iowa State University are developing biorenewable polymers capable of healing themselves as they degrade and crack. The technology embeds catalysts and microcapsules containing a liquid healing agent within a composite, releasing the agent to form 3-D polymer chains that fill cracks.
Brain cells need to create links early on in their existence to ensure successful connections across the brain. This is demonstrated through computer analysis of nerve cell connectivity patterns in roundworms, showing that most neurons develop long-distance connections by being physically close together.
Researchers found that sniffing women's emotional tears reduces men's sexual arousal and decreases testosterone levels, but has no impact on emotional responses or empathy. The study uses fMRI scans to reveal brain activity changes in response to tear exposure.
Researchers at NIST have developed a technique to extract individual mitochondria from cells, enabling further study of genetic mutations behind neuromuscular disorders. This breakthrough could lead to a better understanding of mitochondrial-based diseases and potential treatments.
A new study by Professor Ruth Striegel-Moore and team found that Native American (NA) women are more likely to report behavioral symptoms of eating disorders than men. Research also revealed a parallel between NA women and ethnically white women when considering binge eating, purging and eating disorder diagnoses.
Ibn al-Haytham, considered the father of modern optics, developed revolutionary theories on light and vision while imprisoned. His work challenged Aristotle's ancient thought and paved the way for modern physics.