Researchers at the University of Wisconsin-Madison have made a breakthrough in growing functional heart cells from induced pluripotent stem cells, paving the way for potential therapies for heart failure patients. The discovery uses a virus to reprogram skin cells into embryo-like states and could potentially lead to new treatments.
Scientists at RIT are designing an optical sensor to fly in surveillance drones, tracking suspects and vehicles identified as threats. The sensor will collect only necessary data and adapt to different scenarios, providing more efficient sensing.
Scientists propose that structures in Vernal Crater depict areas of ancient spring activity, creating ideal locations to search for life evidence. Hot springs are crucial target areas for future Mars missions due to their ability to preserve fossilized microbial communities.
Researchers have discovered a signaling pathway involved in normal pancreatic development is also associated with type 2 diabetes. The Wnt signaling pathway is up-regulated in insulin-producing cells of pancreases from adults with type 2 diabetes.
Researchers found that monkeys devised a near-optimal strategy by balancing sensory information and prior expectations regarding rewards. The monkeys' harvesting efficiency fell within 1-2% of the theoretical maximum, revealing impressive decision-making ability.
The Engineering and Physical Sciences Research Council has awarded £82m in grants to train Britain's future scientists and engineers, generating over 1200 PhD students. The grants aim to broaden the student experience with industry-related training, as part of EPSRC's broader commitment to excellence in postgraduate research.
Scientists create a protein that selectively binds to uranium, offering potential methods for detecting and treating uranium poisoning. The protein is based on a nickel-binding protein from E. coli and has been engineered to bind to uranium instead.
Scientists have developed a new molecular tool that pinpoint 'on-off switches' in genomes using next-gen sequencing technology. The research promises to clarify the role of vast stretches of non-coding DNA sequence, revealing powerful regulatory influence.
The AAAS plenary lecture explores the origins of evolutionary thought through the adventures of intrepid scientists Charles Darwin, Alfred Russel Wallace, and Henry W. Bates. The talk will be presented by Sean Carroll, a leading evolutionary biologist and author, who will share the stories of these pioneers who changed our view of life.
Researchers tracked songbirds using tiny geolocator backpacks, revealing they can fly up to 500 km per day, exceeding previous estimates of 150 km. Songbirds' spring return times were also found to be two to six times more rapid than in fall migration.
A recent study found that 24% of caregivers need respite care but do not receive it, with families having private insurance facing greater unmet needs. This translates to approximately 200,000 families in the US who require support services for their children's special needs.
A recent study published in The Lancet found that a short period of immobilization with a below-knee cast results in faster recovery from severe ankle sprains compared to other treatments. The authors recommend using a 10-day below-knee cast or an Aircast brace for management.
A study by the University of Minnesota and CDC found that 43% of active-duty military personnel engage in frequent binge drinking, leading to approximately 30 million episodes annually. This behavior is strongly associated with health and social problems, including job performance issues and alcohol-impaired driving.
A longitudinal study examines the consequences of adolescent gang membership on health, employment, and relationships among Mexican American men. The study aims to identify interventions that can improve outcomes for this population.
Researchers at NIST and Maryland have demonstrated a 'quantum buffer' technique to control data flow inside a quantum computer, potentially speeding up decryption and database search tasks. The technique involves delaying entangled images by up to 27 nanoseconds, which can be useful for quantum information-processing systems.
Researchers sequence genomes of 99 known cold virus strains, exposing vulnerabilities that could lead to effective remedies. The study's findings also shed light on the genetic composition of rhinovirus A and B, as well as emerging species C, which is more virulent.
Researchers have created a new test to better predict whether a given vaccine candidate will protect or harm patients with dengue fever. The test aims to address the deadly complications associated with the disease, which affects 100 million people annually and claims 22,000 lives yearly.
Researchers found that combining DHEA with red clover isoflavones increased testosterone production and reversed androgenic effects in prostate cells. The study suggests a potential cancer prevention effect of herbal supplements like DHEA, warranting further research.
A study by Ed Wasserman reveals that both baboons and pigeons can learn the relations between relations, a cognitive feat previously believed to be unique to humans. This discovery has implications for understanding animal intelligence and potentially informing methods for studying children with language impairments.
A new lunar map created at unprecedented 15-kilometer resolution confirms very little water on the Moon, even deep in its interior. The discovery could shed light on water on other planets like Mars.
Scientists are launching five NASA sounding rockets to study turbulence in the upper atmosphere. The rockets will release a glowing vapor trail nearly 87 miles up into the sky, allowing scientists to track its movement and analyze upper-atmospheric winds.
A new study reveals that airborne laser elevation (lidar) surveys provide a 10-fold improvement in topographical feature measurement precision. This technology adds greater clarity to mapping streams and rivers, allowing for better habitat analysis and restoration. The results have significant implications for various fields such as fo...
Researchers discovered that mosquitoes use RNA interference to combat dengue virus, allowing the virus to multiply and be transmitted to humans. Genetic manipulation of this response could help stop dengue virus transmission by Aedes aegypti.
Researchers have found that interferon-alpha triggers the activation of quiescent hematopoietic stem cells, which can help replenish blood cells. This mechanism may also be useful in treating certain types of cancer, such as chronic myelogenous leukemia.
Scientists have long debated the function of microsaccades, but researchers at the Salk Institute found they are actively controlled by the superior colliculus. The study reveals that individual neurons in this area are highly specific about which microsaccade directions and amplitudes they command.
The study reveals that PHD2-blockers can convert abnormal endothelial layers into tightly aligned cells, allowing anti-cancer medicines to reach their destination more easily. This improves the effectiveness of chemotherapy and reduces cancer cell migration.
Researchers at VIB confirm GPR3 protein's role in reducing amyloid plaques, a hallmark of Alzheimer's disease. The discovery paves the way for developing a new medicine to combat the disease and preserve brain cells.
Researchers are using stable isotope analysis to reconstruct the past lives of hominids, revealing their diets and environments. The study of Paranthropus robustus suggests a diverse diet that includes hard foods like nuts, as well as sedges, grasses, seeds, and possibly animal foods.
Researchers have discovered complex organic molecules in interstellar space using powerful radio telescopes. Detailed images of protoclusters reveal a complex mix of stars in different stages of formation.
Seven Canadians are inducted as AAAS Fellows for their meritorious contributions to science and engineering. The Natural Sciences and Engineering Research Council of Canada highlights the 'Canadian way' of pursuing scientific research through partnerships and networks.
Recent findings suggest early humans primarily ate gelatin, contradicting the long-held notion that they ate hard, tough foods like nuts. This shift in understanding may be linked to crisis situations rather than everyday dietary needs.
A University of Alberta biologist is sounding the alarm on Canada's neglect of crucial research on climate change's effects on its lakes, reservoirs, and carbon cycles. Studies reveal that lake water levels are depleting at a rate of less than one percent per year, posing a significant threat to emergency water supplies.
A randomised trial of 1590 cancer patients found no benefit of warfarin in reducing catheter-related thrombosis. However, dose-adjusted warfarin showed a reduced risk of thromboses compared to fixed-dose warfarin. The study concludes that warfarin is not a viable option for thromboprophylaxis in cancer patients.
Changing ocean conditions and food scarcity are forcing Magellanic penguins to travel farther for food, threatening their survival. Climate variability, oil pollution, and overfishing are major contributors to the decline of the colony.
Scientists have developed a new computer model predicting climate-driven shifts in commercially important fish species. The study suggests that most fish will migrate towards the Pole, with devastating consequences for developing countries' fishing industries.
Mayo Clinic researchers have found a promising drug candidate to prevent colon cancer development in mice. The study's senior investigator suggests that targeting PKCß and PKC/ isozymes could help prevent initial cancer development and progression, respectively.
A study by Monell Center researchers found that fructose-sweetened beverages increased triglyceride levels in obese individuals, even when consumed with meals. This effect was most pronounced in insulin-resistant subjects, who already had high triglyceride levels.
Researchers at UGA have discovered a protein essential for Toxoplasma gondii's growth and division. The study reveals that disrupting this protein leads to the death of the parasite, providing a new working model for understanding parasitic diseases.
Researchers at ASU have discovered that humans have a unique genetic adaptation to starch consumption, with high-starch diets associated with more copies of the AMY1 gene. This finding provides insight into why certain populations may be better equipped to handle diarrheal diseases.
A post-hysterectomy analysis found about half of women with pre-cancerous cell changes still had invasive endometrial cancer. Women diagnosed with complex atypical hyperplasia should be referred to a gynecologic oncologist for evaluation.
The study provides a powerful tool for developing effective treatments against the common cold by sequencing the genetic codes of human rhinoviruses. The researchers found that the viruses are organized into about 15 small groups and can mutate rapidly, making a 'one drug fits all' approach ineffective.
Researchers at the University of Illinois developed a new silver-based ink that allows for flexible and stretchable microelectrodes. The ink can be used in electronic and optoelectronic applications to create integrated systems from diverse materials on various substrates.
Researchers developed a new process to capture light energy with nearly equal efficiency by connecting molecular wires to biological photosynthetic systems. This approach improves the transfer of electrons, achieving high quantum yields similar to natural photosynthesis.
Researchers found that diabetic patients are less likely to develop acute respiratory failure during severe sepsis. They discovered that people with diabetes and sepsis were more likely to develop acute renal failure than those without diabetes.
Scientists at Albert Einstein College of Medicine have found that linker histone H1 is necessary for holding together pericentric heterochromatin, a region close to the center of chromosomes. H1 also regulates the expression of genes within this region. The study uses fruit fly larvae to examine H1's role in gene regulation.
Researchers at the Salk Institute used fruit flies as a model to study gliomas, the most common malignant brain tumors. They found that activating specific signaling pathways in the fly brains resulted in tumor-like growths, mimicking human disease.
A large study found that early transition from intravenous to oral antibiotics in children with acute osteomyelitis is as effective as continued IV therapy. The study, conducted by Children's Hospital of Philadelphia, showed a reduced risk of treatment failure and complications related to central venous catheters.
Researchers have discovered a transient protective effect of herpesvirus infections in mice, suggesting possible benefits against bacterial pathogens. The findings, confirmed by Dr. Marcia Blackman's team, contradict previous suggestions that vaccinated individuals may experience unintended negative consequences.
A new critical care pathway, ACSETS, was implemented at four western New York hospitals to improve treatment and outcomes for patients with acute coronary syndrome. The study found that ACSES patients had a 19% lower mortality rate one year after discharge compared to pre-ACSES patients.
Researchers from MIT indicate that underlying gastrointestinal infections increase severity of acute diarrhea and delay recovery. The analysis provides a model for evaluating new preventive strategies or therapeutic treatments.
Researchers discovered that omega-3 fatty acids protect against liver damage and insulin resistance caused by obesity. The study found that lipids called protectins and resolvins derived from omega-3 fatty acids reduced the incidence of liver complications in obese mice, leading to improved insulin tolerance.
A research team has successfully observed the quantum spin Hall effect, where electrons flow without external stimulus due to internal material structure. This breakthrough could lead to the development of fault-tolerant quantum computers and spin sources suitable for quantum computing and information processing.
Climate change is expected to drastically impact world fisheries, with US Atlantic cod populations projected to decline by 50% by 2050. The study, led by William Cheung, simulates changes in ocean temperature and current patterns caused by various climate scenarios.
A new UK study shows that using NIOX MINO to measure inflammation in asthma patients can lead to a £341-£554 annual cost saving. This is achieved by optimizing treatment, reducing visits to casualty and hospital admissions, and lowering cortisone inhaler doses.
A hallucinogenic compound found in a plant indigenous to South America has been discovered to activate the sigma-1 receptor, a protein abundant throughout the body. This finding may have implications for treating drug abuse and depression, with potential applications for developing new, highly selective drugs to inhibit the receptor.
A Montana State University study has found that the coldest daily temperatures recorded in Bozeman, Mont., and Coldstream, British Columbia, have occurred less often over the past several decades. Extreme warm nighttime temperatures have become more frequent at a rate of about one percent per year or 10 percent per decade.
Researchers estimate that truth saved $1.9 billion in health care costs associated with tobacco use by preventing youth from starting to smoke. The campaign's expansion would be an excellent public health investment due to its cost-effectiveness.
Researchers from the University of Granada and CSIC have studied the growing mechanism of gastropods' nacre. The study reveals that nacre grows in terraces due to a membrane that covers and protects it from seawater, and proposes new possibilities for its use in biomedicine.
Thomas Robertson is researching the consequences of American rural development in Nepal, while Seth Tuler focuses on improving environmental health communications in Thailand. Their work aims to better understand the impacts of science and technology on humanity.
Researchers at University of Copenhagen have developed a general method to study membrane proteins, reducing the development time for useful drugs substantially. The method uses amphipols to immobilize membrane proteins on surfaces, allowing for faster and more accurate testing.
Researchers from Max Planck Institute and 454 Life Sciences Corp. have completed a draft version of the Neandertal genome, providing insights into their genetic relationship with modern humans. The study reveals significant differences between the Neandertal and human genomes, shedding light on how our species diverged.
Research shows that inhibiting MMP enzymes slows down dental filling deterioration, preventing bacteria entry and decay. Chlorhexidine use can rapidly inhibit MMP activity, offering a practical solution for improved dental care.
Researchers developed a synthetic atherosclerosis drug, DMHCA, which targets the Liver X Receptors and reduces plaque formation without increasing fat levels. The study found significant therapeutic promise, with DMHCA significantly reducing arterial lesions in mice by 45-48%.
A UK survey found that only 30% of mental health workers discuss sexual health issues with service users, despite 80% agreeing it's an important part of their role. The study also revealed low levels of awareness about HIV risks among people with schizophrenia, leading to concerns about infection rates and staff safety.
The 'Besieged in Britain' report reveals the psychological damage caused by extreme denials of civil liberties, including severe mental health problems and suicide attempts. The policy has led to men being held under house arrest for long periods, subjected to random police searches, and forced to leave their families.
A study of 22,211 people found that abdominal obesity increased the risk of migraine headaches in those aged 20-55, especially in women. Losing weight around the stomach area may be beneficial for reducing migraine risk in this age group.
A study found that chewing gum with a phosphate-binding ingredient can help maintain proper phosphate levels and prevent cardiovascular disease in dialysis patients. Salivary phosphate levels decreased significantly after two weeks of chewing, while blood phosphate levels also showed a notable reduction.
Long-term research reveals a quarter-century of data on penguin numbers, showing a decline of over 20 percent in the last 22 years. Penguins are struggling with food scarcity, leading them to nest outside protected areas where they fall prey to predators.
Research at the University of Chicago found that children who convey more meanings with gestures at 14 months have larger vocabularies at 54 months, indicating better school preparedness. The study also showed differences in parent gesture use between high- and low-income families.
Researchers from the University of Leeds have identified a single defective gene that affects both eye function and normal tooth development in two Gaza strip families suffering from Jalili syndrome. The discovery may lead to better treatments for inherited blindness and bone diseases.
Human ancestors' large brains required high-energy diets, while modern humans consume more calories and nutrients. The imbalance between energy intake and expenditure contributes to obesity worldwide.