A recent study published in PLOS ONE has provided the first explanation for type of antimalarial drug resistance. The research found a link between autophagy and resistance to malaria parasites, with implications for developing new antimalarial drug therapy.
Researchers found that women younger than 50 with a recent heart attack experience restricted blood flow to the heart in response to psychological stress. This may explain why younger women who are hospitalized after a heart attack face a greater risk of complications and dying compared to men of the same age.
The study reveals that digital activism is more successful when targeting governments rather than businesses, with social media tools playing a crucial role in its effectiveness. Effective campaigns employ a combination of social media tools, including tweeting alone being less successful.
Scientists used rediscovered Apollo data to determine lunar dust accumulation rate, finding it builds up 10 times faster than previous estimates. The high rate poses a significant problem for solar cells, which could diminish power supply output.
A recent EORTC trial found that assessing HRQOL (health-related quality of life) is crucial for both patients with head and neck cancers and their doctors. The study showed that patients in the sequential treatment arm experienced less swallowing and speech problems compared to those in the alternating chemoradiotherapy arm.
A large study of over 30 years found that eating a daily handful of nuts significantly reduces the risk of death from any cause. The study also found that regular nut-eaters were more slender than those who didn't eat nuts, contradicting a common worry about weight gain.
A new Stanford study overturns the long-held theory on how humans perceive sound, challenging the 30-year-old model of adaptation. The research found that calcium is not necessary for adaptation in mammalian auditory hair cells, opening up new avenues for understanding and potentially treating hearing loss.
Researchers found that a virtual sailing simulator improved quality of life, self-confidence, and overall well-being for participants with chronic spinal cord injuries. The study showed rapid improvement in sailing skills and successful completion of sailing lessons on the water.
Research found that obese people who are metabolically healthy still face an increased risk of developing diabetes and cardiovascular disease. The study analyzed data from over 5,700 participants and found that normal weight individuals with multiple metabolic abnormalities also faced a higher risk of cardiovascular disease.
A team of engineers from BU and MIT have engineered a wrinkled surface that sheds liquid much faster than a smooth one, reducing contact time by 37%. The innovative approach uses surface texture to reshape drops as they recoil, making surfaces stay drier longer.
Researchers synthesized a new material that can store up to three times more hydrogen than most metal hydrides, with an unusual structure not observed in other known hydrides. The discovery could contribute to the development of high-capacity hydrogen fuel cells and potentially lead to the discovery of unprecedented properties.
Researchers developed a new statistical model to forecast summer rainfall in the Southeast, identifying key climate factors that influence rainfall intensity. The three-cluster finite normal mixture model improves accuracy for seasonal predictions.
Biologists at Brown University found that gene silencing via chromatin in fruit flies declines with age, but administering life span extending measures such as lower calorie diets or increased expression of the protein Sir2 restores the loss of gene silencing due to age. The study suggests a possible line of research to develop more pr...
A new hormone therapy has been shown to improve the integration of bone grafts used in head and facial reconstruction surgeries. The treatment, which uses parathyroid hormone, enhances bone formation around the grafts and prevents scar tissue from forming, leading to better outcomes for patients.
Researchers at Stanford University found that a larger amygdala and stronger connections with other brain regions are linked to higher anxiety levels in young children. The study provides new insights into the developmental origins of anxiety and could aid in early identification and treatment.
Researchers found that introducing protective variant APOE2 into brains of animals with established plaques reduced amyloid beta deposition, retention and neurotoxicity. This suggests the potential for gene-therapy-based treatment to alleviate Alzheimer's disease progression.
A Johns Hopkins-led study found a possible link between orthostatic hypotension and atrial fibrillation, increasing the risk by 40% over two decades. The condition is often asymptomatic and can lead to stroke, heart failure, and dementia if left untreated.
A 24,000-year-old DNA study suggests that nearly 30% of modern Native Americans' ancestry comes from a young boy's gene pool, indicating the First Americans may have come directly from Siberia. The discovery raises new questions about human entry into Alaska and North America.
Researchers recorded individual nerve cells in the amygdala of patients with high-functioning autism and found a specific type of neuron responding abnormally to the mouth region. The study provides new insights into mechanisms underlying autism symptoms and opens the door for further studies.
A Florida State University scientist has discovered a 4.4 billion-year-old Martian meteorite that may be the first recognized example of ancient Martian crust. The analysis reveals information about the origin and age of Mars' crust, confirming that the planet did not experience a giant impact that melted it in its early history.
Researchers have found that the closest relatives of papaya are three herbaceous species and a small tree with stinging hairs from Mexico to Guatemala. The study clarifies species boundaries and reveals the biogeographic history of the papaya family.
Dr. Steven R. Houser, Director of the Cardiovascular Research Center at Temple University School of Medicine, has made significant contributions to cardiovascular research over nearly three decades. He received prestigious honors from the American Heart Association for his work on heart cell function and regenerative pathways to repair...
Scientists discover that making bread's pores larger can make it perceived as having a saltier taste, even with reduced salt content. The study suggests this method could be a viable way to reduce salt intake without compromising flavor.
Researchers unveil an immersive digital experience of Hadrian's Villa, featuring interactive exploration and historically accurate avatars. The virtual world simulation combines scholarly studies with cutting-edge technology to recreate the ancient site.
A review of President John F. Kennedy's medical records reveals a complex medical history, including Addison's disease and hypothyroidism. Researchers now believe Kennedy may have had polyendocrine syndrome type II, a rare autoimmune disorder combining the two conditions.
Using CT scans, researchers created a non-destructive method to separate fossilized bones from surrounding sediment. They then printed the bones using a 3-D printer, producing an accurate replica that could be shared with other research facilities.
A UCSB study found that invasive plants' ecosystem impacts decrease over time, but native species may need additional assistance to recover. Long-term monitoring revealed declining nitrogen mineralization rates and reduced self-reinforcing effects on soil nutrients.
A study of over 1,200 teenagers found that the ideal amount of weekly sports participation is around 14 hours, which is double the official recommendation. This level of engagement was associated with better mental and physical wellbeing, while excessive exercise had detrimental effects.
Researchers have developed a flexible, rechargeable battery woven into fabric that can power wearable electronics. The innovation could enable athletes to monitor vital signs and allow for more aesthetic possibilities, such as lighting up patterns on clothing.
A new stroke research network is forming in Chicago, bringing together top medical centers to develop and execute high-quality clinical trials for stroke prevention, treatment, and recovery. The consortium aims to rapidly advance therapies and reduce death and disability from the disease.
A study by Pradeep K. Chintagunta of the University of Chicago Booth School of Business found that gender, income, race, and age are key indicators of a movie's box office performance in individual markets. The study suggests that studios should adjust their advertising strategies based on these demographics.
A recent study published in PLOS ONE found that frequent interruptions in children's sedentary time can have a positive impact on their health. The research, which analyzed data from over 500 children aged 8-11, showed that breaks in sedentary behavior were associated with lower risk scores for type 2 diabetes and cardiovascular disease.
A new study by MU researchers recommends that women on hormone replacement therapy with progestin avoid ingesting pure apigenin as a supplement. Apigenin, found in celery and other plants, can increase the incidence of breast cancer tumors when combined with synthetic hormones.
A new study led by Steve Pressé reveals a preferred strategy for picking mathematical models with the greatest predictive power, emphasizing simplicity and avoiding unnecessary complexity. The study's findings support Occam's razor principle, suggesting that simpler theories are more likely to be correct.
Researchers debunk the notion that hepcidin spikes cause exercise-induced anemia, highlighting the need to understand what causes anemia to prevent it. The study provides insight into high hepcidin levels in non-exercisers with long-term anemia.
Tropical Cyclone Helen is expected to intensify and make landfall in the coastal plain of Krishna Delta in Andhra Pradesh, India. The storm's track is predicted to shift westward due to a mid-level subtropical ridge, with forecasters warning fishermen to return to shore.
The New York State Department of Health awards Montefiore Medical Center a $1.17 million grant to support the Center for Comparative Effectiveness Research, focused on economically underserved populations. The grant will help train physician researchers and generate synergy among clinical researchers to compare treatment options.
Scientists have discovered three new species of wafer trapdoor spiders in Brazil, expanding our knowledge of the genus Fufius. The discovery highlights the morphological variability of the species and provides insight into their distribution across different environments.
Women with PTSD experience rapid weight gain and increased risk of being overweight or obese compared to those without the disorder. The study analyzed data from 50,504 women and found that symptoms of PTSD rather than trauma itself drove the weight gain.
A University of Colorado Cancer Center study found that crizotinib treatment reduces kidney function in ALK positive non-small cell lung cancer patients. Kidney function recovered after treatment, but additional tests are recommended if concerns arise.
The Total solar irradiance Calibration Transfer Experiment (TCTE) was launched by NASA using a combination of enthusiasm, spare parts, and resources. The instrument was assembled in just five months to fill a gap in the data record after an aging satellite's battery life expired.
A team of scientists at the University of California, San Francisco has identified a previously unknown pocket on the K-Ras protein that can be targeted by a new compound. This compound inhibits only mutant K-Ras and leaves normal protein untouched, offering real translational implications for cancer patients.
Early data from a Polish patient study suggest the investigational bioengineered vessel may be effective as a dialysis graft, with 100% of patients regaining blood flow after initial loss. The technology uses human tissue and has shown no signs of infection or immune reaction.
Scientists confirm the extinction of Darwin's frogs caused by chytridiomycosis, a fungal disease affecting amphibians. Conservation efforts are crucial to protect the remaining species, emphasizing the importance of preserving biodiversity.
Research at St. Michael's Hospital found that bedside handover, where patients are involved in the transfer of accountability with their care team, can reduce potential errors and improve patient engagement. The study also showed that this approach increases patient safety, satisfaction, and better informs care plans.
Studies show that concussions can lead to brain abnormalities four months after symptoms have resolved, with memory and behavioral issues improving more quickly than physical injuries. These findings suggest that healing from concussions may be similar to recovering from burns, with tissue scabs forming before the body is fully healed.
A new study has found that long-term unemployment may accelerate aging in men by shortening their telomeres, which protect genetic code from degradation. This association was found in a study of over 5,600 Finnish men born in 1966.
Researchers have discovered the human enzyme PrimPol, which recognises and repairs DNA lesions during replication, preventing breaks in chromosomes. This ancient enzyme has been found in archaebacteria and is thought to have played a key role in genome evolution and cancer development.
A University of Tennessee professor has received a $100,000 grant from the Bill and Melinda Gates Foundation to develop an improved condom design that enhances pleasure while preventing disease and unplanned pregnancies. The new condom incorporates superelastomers, allowing for thinner, more comfortable designs.
A study of 27 healthy adults showed that drinking caffeinated coffee significantly improved blood flow in a finger, with a 30% increase compared to decaffeinated coffee. The researchers suggest that caffeine may help open blood vessels and reduce inflammation, providing new insights into how coffee may benefit cardiovascular health.
A groundbreaking discovery in 1993 led to the development of a cancer treatment, Erivedge, which targets the hedgehog signaling pathway. The breakthrough was made by researchers investigating fundamental mechanisms regulating vertebrate brain development.
A new study highlights the long-term benefits of rotator cuff surgery, showing significant cost savings and improved quality of life for patients. The study estimates that surgeries result in a lifetime societal savings of approximately $3.44 billion annually.
A recent study published in the New England Journal of Medicine found an inverse association between nut consumption and total mortality in both men and women. Nuts contain essential nutrients and phytochemicals that may offer cardioprotective, anticarcinogenic, anti-inflammatory, and antioxidant properties.
Researchers found that harvesting invasive plants for biofuels is hindered by high costs, lack of specialized equipment, and variable cell wall composition. Despite this, alternative uses for invasive biomass, such as combustion for electricity, may offer a more practical solution.
The University of Illinois has won Grand Challenges Explorations grants to develop a single-dose vaccine for multiple animal diseases and a system to study the microscopic parasite Cryptosporidium. This funding aims to address pressing disease problems in developing nations, improving animal health and productivity.
Close to 1,400 tons of chemical weapons remain in Syria, requiring multiple strategies for destruction. Destroying the stockpile will require specialized equipment and careful handling of precursor chemicals.
Researchers at UCSF have developed a new strategy to block the mutated ras protein, which drives three out of ten cancers, including lung and colon cancers. The small molecules efficiently kill ras-driven cancer cells in human lung cancer cell cultures.
A 24,000-year-old Siberian individual's genome shows close affinity to modern Native Americans and west Eurasians, contradicting the traditional East Asian origin story. This finding indicates two distinct Old World populations contributed to the formation of the First American gene pool.
Researchers at Scripps Institution of Oceanography have developed a method to genetically engineer marine algae to produce more lipids, the fat molecules that store energy for fuel. This breakthrough enhances biofuel production and has the potential to lower costs and increase efficiency.
Researchers found that house sparrows' immune cells become more attuned to finding dangerous parasites at the edge of their range in Kenya. This adaptation may help the birds thrive in new areas with novel pathogens. The study aims to understand what gives invasive species an edge, informing efforts to manage and eradicate them.