Researchers at the University of Michigan have successfully reprogrammed scar tissue cells to form colonies of beating heart cells. The discovery could pave the way for regenerating damaged heart tissue after a heart attack.
The genomes of King Richard III and one of his living descendants are being sequenced to shed light on his ancestry, health, and genetic makeup. The project will also analyze the genetic information of pathogens that may have caused diseases in the past.
Research highlights the challenges faced by UK hospitals in adopting electronic health record systems due to underestimated costs. The study identified four key cost categories: infrastructure, personnel, estates/facilities, and other expenses, which are often cut back during implementation.
Research by the University of Minnesota and Georgia Tech found that male Pinterest users are more interested in photography, art, design, and home decor than sports, technology, and cars. In contrast, women tend to focus on traditional female categories such as food and drink, crafts, and fashion.
A team of astronomers has discovered four new galaxy clusters, each containing thousands of individual galaxies, some 10 billion light years away. The clusters are seen as they existed 3 billion years ago, providing insights into the formation of giant elliptical galaxies.
A new study highlights the role of white rhinos in shaping savannah ecosystems, suggesting that their loss could have significant effects on ecosystem functioning and fire regimes. The research found that areas previously colonized by rhinos had higher levels of short grass cover and more grazing lawns.
Researchers at King's College London have discovered a new gene (PIM1) that could be an effective target for innovative treatments and therapies for psoriasis. The study highlights the role of PIM1 and the IL-22 cytokine in skin inflammation, suggesting a direct link between these two.
A new study reports that the ribosome's small subunit assembles itself through a dynamic interaction between proteins and RNA. The team discovered that a specific protein plays a crucial role in this process, allowing for the binding of subsequent proteins.
Researchers found that most parents thought symptoms were serious but only half called emergency services, highlighting the need for increased awareness and prompt action. The study emphasizes the importance of educating healthcare professionals and parents about stroke recognition in children.
A new study challenges the use of mortality as a measure of stroke care quality, citing variations in do-not-resuscitate orders that can significantly skew hospital rankings. The researchers found a wide range of variation in early DNR use, with hospitals using them an average of 2.2-23.2% of the time.
Great tits can recall the location of cached food hideaways after one or 24 hours, according to a Swedish study published in Behavioral Ecology and Sociobiology. This observational spatial learning ability may be more crucial for non-hoarders like great tits, as it helps them survive during harsh weather conditions.
A nationwide study found larger daily temperature changes and higher average dew points were associated with increased stroke hospitalization rates. Lower annual temperatures also linked to higher hospitalization and death rates from ischemic strokes.
Paul B. Tchounwou, associate dean of graduate studies at Jackson State University, received the 2013 AAAS Mentor Award for his significant contributions to mentoring African American students in environmental sciences. He has mentored over 75 students and has played a key role in increasing research productivity at the university.
Researchers used micron resolution X-ray imaging to study the skull of Romundina, an early armoured fish with jaws. The study shows that the face assembly during the evolutionary transition was a gradual process, with key features emerging before the final shape of the jawed vertebrate face.
Cancer researchers have discovered a pre-leukemic stem cell that may initiate disease and trigger relapse in patients with acute myeloid leukemia (AML). This finding offers a potential tool for earlier diagnosis and targeted therapy, as the pre-leukemic stem cell can survive chemotherapy and be found in the bone marrow at remission.
A new study from the University of Surrey has identified specific effects of Chiari malformation on toy dog breeds' skulls and brains. The condition causes changes in brain shape and can lead to severe symptoms like paralysis and headaches.
Researchers found that prenatal vitamin A deficiency leads to airway hyperresponsiveness in adult mice by causing abnormal smooth muscle development. The study suggests that structural and functional changes in the lungs due to vitamin A deficiency during development may be an important factor in asthma susceptibility.
Researchers at Grand Valley State University found a link between zebra mussels and increased risk of algae blooms in Muskegon Lake and Bear Lake. The invasive mussels stimulate nutrient releases, while native chironomids increase oxygen levels, making the lakes more prone to toxic blooms.
A recent UK study found that doctors are missing opportunities to diagnose chronic obstructive pulmonary disease (COPD) in up to 85% of cases. The study, published in The Lancet Respiratory Medicine, analyzed data from 38,859 patients and found that missed opportunities for diagnosis were most common in the years preceding diagnosis. T...
The study, published in Science in June 2012 to May 2013, mapped the wiring diagram for the nervous system controlling mating behavior in male roundworms. The research provided a comprehensive map of neural connections and contributed significantly to understanding how animals control complex behaviors.
A new study reveals that subcritical hydrothermal treatment can convert paper sludge into fuel with a composition similar to coal. The process has the added benefit of diverting waste from landfills and reducing pollution.
A study of 2.5 million children over 14 years found no link between ADHD stimulant medications and increased stroke risk in children with or without stroke. Researchers compared medication usage before and at the time of stroke to assess potential risks.
Fossil evidence reveals the step-by-step assembly of the face during the evolutionary transition from jawless to jawed vertebrates. The Romundina skull shows primitive and modern features, shedding light on the origin of the jawed vertebrate face.
Scientists at the University of Cambridge discovered that implant stiffness is a major cause of foreign body reactions. The team found that stiff materials trigger inflammation and cell shape changes in brain cells, leading to encapsulation with scar tissue.
A year-long study found that pregabalin reduced RLS symptoms and was less likely to cause worsening symptoms compared to pramipexole. Dopaminergic drugs were associated with symptom augmentation in some patients, highlighting the need for caution when treating RLS patients.
Researchers have uncovered geologic evidence supporting two earthquakes in 1838 and 1890 that match historical accounts. The team used LiDAR technology to map the active fault trace and found ax-cut wood chips, tree stumps, and charcoal fragments confirming the quakes.
Strogatz has contributed widely to popularize mathematics through newspaper articles, books, radio and television appearances, documentaries, and public lectures. He has introduced the public to various mathematical concepts, including chaos theory, statistics, and group theory.
Tropical Cyclone Fobane is weakening due to increasing vertical wind shear and cooler sea surface temperatures. The storm is moving southward through the Southern Indian Ocean, with maximum sustained winds near 45 knots/51.7 mph/83.3 kph.
The 'Viewpoint' article highlights the complexity of developing genome-based therapeutics and companion diagnostics, which depend on multiple genetic tests. The authors argue for a unified plan to co-develop and co-submit diagnostic tests that predict drug benefit, addressing regulatory, business, and economic challenges.
Researchers at U-M Medical School and institutions worldwide investigate the fiber of our being, discovering how one group of gut bacteria digests complex sugars. Their findings shed light on the science of human nutrition and have implications for commerce and industry.
Research finds Thatcher's policies led to unnecessary unemployment, welfare cuts, and damaging housing policies resulting in excess deaths. The study also highlights the rise in income inequality and regional disparities in health standards during the Thatcher era.
Researchers at the University of East Anglia have made a significant advance in understanding genetic changes associated with terminal prostate cancer. A genetic mutation has been identified as a key factor in the development of aggressive cancer later in life. This discovery could help identify patients who are at risk of developing f...
A study revising rules for deciphering dinosaur color suggests a link between color, physiology, and the origin of flight. Researchers found diverse melanosome shapes and sizes in feathered dinosaurs, paravians, and living mammals and birds.
A Saint Louis University pediatric researcher is conducting a study to determine the best time to discuss obtaining parental consent for clinical research involving treatment of newborns in the delivery room. The goal is to develop a method that satisfies ethical requirements while making it easier for parents to understand the researc...
Siegfried Hecker has been honored by AAAS for his work in nuclear security and global threat reduction. His dedication to fostering cooperation through science led to significant international partnerships, improving the control of nuclear materials.
Andrew Tsin, a professor of biology at the University of Texas at San Antonio, received the 2013 AAAS Lifetime Mentor Award for his dedication to mentoring underrepresented students. He has mentored over 130 students, including dozens of Hispanic Americans, and helped establish programs aimed at increasing diversity in science education.
Researchers have discovered genetic signatures associated with bovine tuberculosis (TB) resistance in unaffected cows, providing a potential breakthrough in improving disease control through selective breeding. The study sheds light on the possibility of using genetic information to develop more resilient cattle.
A large-scale investigation reveals that Early British farmers prioritized dairy products and abandoned fishing, adopting a new diet around 6,000 years ago. The study suggests that the hazardous North Atlantic waters made fish an unsuitable food source until new technologies arrived.
Researchers found that exercise increases levels of specific proteins in the mitochondria of heart cells, triggering beneficial cardiovascular effects. This study provides new insights into how physical activity improves heart function and offers potential clues for developing new treatments for cardiovascular disease.
Researchers found that exercise improves cardiovascular health in mice by increasing the production of proteins in the mitochondria of their heart cells. This targeted approach may hold the key to understanding how physical activity helps strengthen the heart and reduce the risk of heart disease.
A paper-based device replicating human brain's electrochemical signalling has been created by Chinese researchers. The thin-film transistor (TFT) can mimic the biological synapse and could be used to build lightweight and biologically friendly artificial neural networks.
Scientists at Lawrence Livermore National Laboratory have achieved an order of magnitude improvement in yield performance over past experiments on the National Ignition Facility. The boot-strapping process has been demonstrated to increase the rate of fusion reactions, producing more alpha particles and further heating the fuel.
Researchers found that brain activity for mathematical beauty correlates with the same region as art and music, suggesting a neurobiological basis for beauty. The study used fMRI to image brain activity of mathematicians when viewing beautiful formulae, revealing strong correlation between beauty experience and brain intensity.
A new teledermatology app system has been shown to be reliable in prioritizing care for hospitalized patients with skin conditions. The study found that the system agreed with in-person consultants on diagnoses in 82% of cases and suggested urgent consultations in 90% of cases.
Researchers from British Antarctic Survey demonstrated a new method using Very High Resolution satellite imagery and image processing software to automatically detect and count whales breeding in the Golfo Nuevo, Peninsula Valdes. This semi-automated technique has been shown to achieve 89% accuracy in identifying probable whales.
A new study by Case Western Reserve University finds that people with strong religious beliefs perceive a higher risk of addiction to online pornography, even if they only view it once. The researchers suggest that therapists can help individuals understand their driving motivations and enjoy their faith.
Researchers have developed a novel compound that protects mice against developing movement problems associated with Parkinson's disease. The compound, known as '12g', effectively prevented motor deficits linked to PD and showed promise as a potential new therapy.
A new method developed by the Institute of Physical Chemistry of the Polish Academy of Sciences measures diffusion coefficients and equilibrium constants to assist in determining optimal drug doses. The method uses a simple capillary apparatus with high-speed water flow, allowing for fast and accurate measurements with increased accura...
Researchers found that commonly used disinfectants do not kill human papillomavirus (HPV), making it possible to transmit the virus through non-sexual means. The study suggests a need for hospital policy changes and highlights the importance of using bleach or autoclaving to inactivate HPV.
A study found that people with both parents having Alzheimer's disease showed more severe brain abnormalities, including increased brain plaques and reduced brain volume. The research suggests a possible genetic link to the development of Alzheimer's disease.
A West Virginia outpatient oncology clinic experienced a rare outbreak of Tsukamurella bloodstream infections in 2011-2012, attributed to improper handling of intravenous saline. The outbreak led to changes in infection control practices, including the use of pre-packaged manufactured saline flushes.
A Dartmouth study finds that communal acequias in the US Southwest are struggling due to reduced snowmelt and socio-economic pressures. The decline reflects changes worldwide where isolated communities integrate into larger economies, altering traditional water management systems.
A new study by University of Illinois researchers finds that plastic shopping bags can be converted into diesel fuel, producing significantly more energy than required. The conversion process produces usable petroleum products, including natural gas and gasoline, making it a potential sustainable alternative to traditional fossil fuels.
Yiqi Luo, a University of Oklahoma professor, has been named an AAAS Fellow for his work on data assimilation and ecological forecasting. His research aims to predict ecosystem changes in response to environmental shifts, which could inform global responses to climate change.
A study found that well-child visits are associated with a higher risk of flu-like illnesses in children and family members within two weeks of the visit. The research estimated that this increased risk translates to over 700,000 potentially avoidable illnesses each year.
Researchers at MIT have developed a new system that combines control programs to enable multiagent systems, such as teams of robots or networks of devices, to collaborate in unprecedented ways. The system takes into account uncertainty and automatically plans around it to guarantee optimal results.
LA BioMed researchers have reported a promising new therapy for Sanfilippo B syndrome, reducing brain damage and reversing heparan sulfate storage. The experimental treatment, NAGLU-IGF2, is taken up by neurons in the disease model, providing hope for patients with no available therapies.
Dr. Mary Helen Immordino-Yang has been honored by the American Association for the Advancement of Science (AAAS) with the Early Career Award for Public Engagement with Science, recognizing her contributions to public engagement activities and research in neuroscience of social emotion and education.
Researchers used live ticks to detect Lyme disease bacteria in people with persistent symptoms after antibiotic treatment, but found only two positive results. The study suggests that larger studies are needed to determine the significance of these findings.
Branscomb was recognized for his prolific career in academia, business, government, and philanthropy, with a focus on advancing sound science in public policy. He has authored over 500 papers and books, and served in various public service roles, including the National Science Board.
NASA and NOAA combined satellite footage shows the massive winter storm's development and movement, with clouds and snow stretching from southern US to northeast. The storm brought freezing rain, significant snow accumulations, and ice storm warnings across mid-Atlantic states.
Researchers found that strongly interacting binary stars are necessary for powerful, bipolar jets of gas and dust to form in planetary nebulae. The jets are produced by accretion processes that provide fuel for the outflows.
Researchers at MIT and Université Pierre et Marie Curie provide the first detailed model for the 3-D shape of a strand of curly hair, with applications in computer animation and engineering. The model characterizes all degrees of curliness and describes how properties change along the arc length.
High-resolution satellite images successfully counted southern right whales off the Argentinian coast, using automatic detection methods that outperformed traditional manual detection. The study's findings suggest this new approach could be applied to other whale species and marine mammal populations.
Researchers found that cocaine use is strongly associated with increased stroke risk in young adults, particularly when used acutely. The study found that participants were six to seven times more likely to suffer an ischemic stroke within 24 hours of cocaine use.
Researchers found that changes in a receptor protein called AHR2 may explain how killifish evolved genetic resistance to PCBs. The study suggests that evolution of resistance converges on the same target gene across independent populations.
Hal Dietz, a Johns Hopkins pediatric cardiologist and geneticist, has been recognized for his groundbreaking work on Marfan syndrome. He identified the cause of the rare genetic disease and found that losartan can attenuate overgrowth of the aorta.
Researchers investigate parallel mountain chains, rift flank uplift, and unique episodes in Earth's history. They use computer models and experimental data to understand the timing of uplift and crustal extension during rifting processes.
Research finds that indigenous cultures' medicinal plant use is linked to their environment, making them vulnerable to climate change and globalization. The study highlights the importance of preserving traditional knowledge to mitigate the impact of environmental changes on these communities.
New data shows a continued decline of African forest elephants, with 65% lost between 2002 and 2013. The poaching rate is alarming, with 9% per year, resulting in over 96 elephants killed daily.
Research suggests common infections increase stroke risk in children by six times, but routine vaccinations can help decrease this risk. The study found that childhood vaccinations were associated with a lower stroke risk, particularly for those who received all or most vaccines.
A new study by Swiss Tropical and Public Health Institute found that a veterinary drug, Oxantel Pamoate, can effectively treat whipworm infections in children. The treatment combination showed significant reduction in worm eggs and improved health outcomes for the children.
The Federation of American Societies for Experimental Biology (FASEB) announced the winners of its second annual Stand Up for Science Video Competition. The winning videos highlighted the importance of federal funding for biomedical and biological science research.
A Norwegian University of Science and Technology study found that seven out of ten teenagers reported chronic pain, with depressed girls experiencing the highest rate. The researchers emphasize the importance of treating physical pain alongside mental health issues.
The 2014 AAAS/Subaru Science Books & Film competition recognized four engaging science books exploring school gardens, fossil discovery, backyard bird watching, and biotechnology. Winners received $1500 and a plaque for their outstanding contributions to science writing and illustration.
Researchers reconstructed the neuronal circuits of an adult male nematode to understand how sensory neurons interpret signals from the environment and translate them into mating behavior. The comprehensive map, known as a connectome, reveals various classes of neurons involved in locomotion, posture, and insemination.
Research from University of Adelaide reveals South Australia has a higher rate of hypothermia deaths than Sweden, with elderly women indoors being the main victims. The study attributes this to poor heating and insulation, as well as lack of social interaction and multiple underlying medical conditions.
A €85 million program will develop novel antibiotics against Gram-negative pathogens with expertise from universities and industry in Europe. Scientists will assess new compounds to determine their potency and molecular basis of action.
Researchers identified a key biological mechanism explaining why women with dense breast tissue are at greater risk of developing breast cancer. The study found that the JNK1 signaling pathway is activated to a greater extent in fibroblasts from high-density breast tissue, creating an inflammatory environment that drives tumor formation.
A 20-year retrospective study found that 85% of patients with chronic obstructive pulmonary disease (COPD) were overlooked by doctors, highlighting the need for improved early diagnosis and treatment. The study estimates that around 2.2 million people in the UK remain undiagnosed for COPD.
Researchers at UCLA and international collaborators identify 50 brain and behavioral measures associated with bipolar disorder, including thickness of gray matter in key brain regions. The study's findings could be a major step toward identifying specific genes contributing to the illness.
Researchers develop a mathematical model explaining the two-phase process of abrasion that makes rocks rounder. The study reveals that abrasion reduces rock size only after it becomes smooth, providing new insights into erosion and sediment travel in rivers.
Researchers at JQI observe hysteresis in an ultracold atomic gas, a phenomenon crucial for electronics. By controlling the rotation of a quantum fluid, they create a stable two-velocity state that has implications for building practical atomtronic devices.
A recent study published in Gerontology highlights the long-term effects of childhood obesity on late-life health, finding that obese children may be more predisposed to complications independent of adult obesity. Early exposure to obesity can alter metabolism during a critical developmental time frame, leading to increased risk of met...
Research finds that people with stroke-related brainstem injuries have a significantly higher risk of developing sleep apnea. Among the 355 study participants, 84% with brainstem injury had sleep apnea compared to 59% without brainstem involvement.
A study published in BMJ Open finds that the UK tobacco industry's claims that plain packaging won't work are based on weak evidence. The research analyzed submissions made by four major tobacco companies and found that most of the cited evidence lacked policy relevance and was of poor quality.
A study by Baylor University psychologist Keith Sanford found that in satisfying relationships, negative communication is associated with bigger conflicts but ultimately leads to bigger resolutions. In contrast, unhappy relationships struggle to resolve conflicts regardless of communication type.
Research from INSEAD and The Wharton School found that mindfulness meditation can counteract the sunk-cost bias, a behavior where people hold on to losing stocks or bad relationships. By cultivating awareness of the present moment, mindfulness meditation reduces negative emotions and facilitates rational decision-making.
Scientists have identified odor-producing chemicals in earwax that differ between individuals of East Asian origin and Caucasians. The study found a unique chemical signature associated with each ethnic group, suggesting that earwax could be an overlooked source of personal information.
Researchers at NIST developed a new method to accurately measure changes in living cell redox potential, which can serve as an indicator of cellular health and function. The technique uses nuclear magnetic resonance spectroscopy to detect glutathione levels and monitor intracellular redox reactions.
A Johns Hopkins study suggests that a simple measure of stroke severity can accurately indicate which patients need ICU monitoring and which can be managed outside of critical care. Most patients with mild strokes (NIH Stroke Scale score < 10) require no intensive care.
Researchers at Cold Spring Harbor Laboratory have identified a novel neural circuit linking the amygdala with the brainstem's fear response center. This discovery sheds light on how fear is translated into behavioral responses, paving the way for potential treatments of anxiety disorders like PTSD.
An international team led by Eske Willerslev has mapped the genome of a 1-1.5 year-old boy found in a 12,600-year-old burial site in Montana, shedding light on the colonization of the Americas. The study reveals that approximately 80% of present-day Native American populations are direct descendants of this boy's family.
The new four-year grant will help operators of near-earth satellites and air traffic radar systems safeguard against radiation bursts and energetic particles. Yue Deng's research aims to improve the understanding of neutral wind dynamics in the upper atmosphere, which is crucial for mitigating space weather effects.
A new paper proposes banning lead shot in Olympic shooting events to prevent wildlife poisoning and health threats to surface and groundwater. Non-toxic substitutes like steel shot have been available for two decades.
The five Neimark Award winners explore biostatistics, molecular plant sciences, and particle astrophysics among other areas. Their research in second language acquisition also sheds light on human cognition.
Research published in Acupuncture in Medicine found that widely used acupuncture needles have significant surface irregularities and inconsistencies, which could lead to painful reactions, bleeding, or bruising. The study calls for manufacturers to review and improve their quality control procedures for needle fabrication.
Researchers at NIST and JPL have designed a detector array that can extract more information than usual from single particles of light. The new device can record signal timing, enabling the use of pulse position modulation to encode multiple bits of information in space optical communications.
Researchers found that mathematical models describing urban growth apply to ancient societies as well. The study suggests a continuum of human settlements in time and place, allowing for more accurate population estimates and insights into social networks.
A new species of Stone Oak has been discovered in the Ton Pariwat Wildlife Sanctuary in Thailand. The species, Lithocarpus orbicarpus, is a medium to small tree with unique spherical acorns covered in dense scales.
A new fossil specimen of the ancient Mesozoic marine reptile Chaohusaurus has revealed evidence of a live birth, suggesting that live births in land reptiles may have appeared much earlier than previously thought. The discovery provides the oldest vertebrate fossil to capture the moment of live-birth.
Hoosen Coovadia, a South African pediatrician and research scientist, has been recognized for his unwavering commitment to sound science guiding public policy. He was awarded the 2013 AAAS Scientific Freedom and Responsibility Award for defying government opposition on HIV/AIDS issues.
A new beetle genus and species was discovered by Dr. Stylianos Chatzimanolis, named after Charles Darwin, based on a specimen collected in Argentina in 1832. Only two specimens of the species, Darwinilus sedarisi, are known, and most of its habitat has been transformed into agricultural fields.
There is limited evidence to support the existence of pornography 'addiction', with most studies lacking methodological rigor and failing to find negative side effects. Instead, viewing sexual images can have positive benefits such as improving attitudes towards sexuality and increasing pleasure in relationships.
Researchers investigated expert and novice dart players' techniques for accurate throwing. The study revealed two strategies used by experts: (1) compensating with hand movement for variable release times, and (2) reducing timing variability by releasing the dart at a fixed time. Both strategies achieved consistent throwing.