Researchers found that 7 out of 10 top media-covered ADHD studies were refuted or strongly attenuated by later research. This phenomenon may cause significant distortion in health science communication if generalized to other health topics. The study highlights the potential for misleading early results to dominate public discourse.
A study found that abnormal endocannabinoid signaling in mouse embryos can disrupt placental development and lead to pregnancy problems. Researchers hope the findings will inform studies on the causes of preeclampsia, a medical condition affecting mothers and children.
Researchers found that women's disgust responses are weaker when they are sexually aroused. The study, published in PLOS ONE, used a combination of peer review and post-publication rating and commenting to maximize the impact of every report it publishes. All works published in PLOS ONE are Open Access.
Penn State researchers are creating a new training program for doctoral students in Big Data Social Science, with the help of a $3 million NSF grant. The program aims to equip scientists with tools to address the challenges of massive and complex socially generated data.
Researchers found that older adults are open to robot assistance with some daily living tasks, such as housekeeping and laundry, but prefer human assistance with others. The study highlights the need for further research on how robots can support older adults in living independently.
The Entomological Society of America has recognized Dr. Donald A. Rutz, Dr. Kevin Heinz, and Dr. Florence Dunkel with awards for their contributions to extension entomology, horticultural entomology, and teaching respectively. The winners will be honored at the ESA's 60th Annual Meeting in Knoxville, Tennessee.
Research using satellite data found convective precipitation is more common over dry regions, suggesting a different mechanism than previously thought. The study's findings challenge existing computer models and highlight the need for further research to understand this phenomenon.
A study published in the New England Journal of Medicine reveals that mutations in the PTEN gene can improve metabolism and increase insulin sensitivity in people with Cowden syndrome. The researchers found that those with Cowden syndrome had higher levels of obesity, but the extra weight was caused by extra fat storage, not muscle mass.
Recent research in epigenetics has identified two key tests that can predict brain tumor sensitivity to temozolomide and distinguish prostate cancer from benign growth. New epigenetic biomarkers are being rapidly developed to predict treatment performance and weaknesses of tumors.
A hands-on project for high school students in Portugal increased understanding of bacteria, antibiotics, and the dangers of antibiotic resistance. Students found the experience both enjoyable and useful, highlighting the benefits of incorporating hands-on activities into science education.
In 2011, Americans took a record 4.02 billion prescription drugs, with antidepressants and ADHD medicines showing notable increases in sales. The growth of prescriptions is attributed to the rising demand for CNS disorders medications.
A major review of European breast cancer screening services found that the benefits outweigh the harms, with seven to nine lives saved for every 1,000 women screened. The review also noted that four cases of over-diagnosis occur for every 1,000 women screened, which can cause stress and anxiety.
A new analysis by ACS researchers suggests that up to 1.1 million annual cases of acute gastrointestinal illness may be caused by contaminated drinking water distribution systems in the US. Aging infrastructure and lack of funding pose significant health risks, particularly for small systems.
Researchers at Tel Aviv University are developing small, high-frequency radiation-enabled chips capable of producing images through packaging and clothing. These chips have the potential to provide sophisticated yet affordable security technology for everyday use, addressing concerns around cost and size.
Research finds that dry soils increase the likelihood of afternoon storms globally, contradicting current climate models. The study's findings have significant implications for predicting regional weather patterns and understanding global climate change.
The Innocence Project has helped free nearly 300 wrongfully convicted prisoners due to improper use of forensic science. Improved sensitivity in DNA testing has highlighted issues of cross-contamination, affecting accuracy.
A recent study published in Psychology of Women Quarterly found that judges' reliance on stereotyped portrayals of battered women who fight back leads to harsher sentencing. The study analyzed 26 domestic homicide and abuse cases from Canada and identified one judge who resisted these stereotypes.
Researchers at Case Western Reserve University have developed novel antivirulence drugs that block toxin production in bacteria, rendering them harmless. The discovery has the potential to combat antibiotic-resistant infections like MRSA and strep.
Jon Cohen, a contributing correspondent for Science magazine, has won the Victor Cohn Prize for his exceptional coverage of biomedical topics and chronicling of the global HIV/AIDS epidemic. He will receive the prize at an awards ceremony on October 27 in Raleigh, North Carolina.
A new study published in Archives of Physical Medicine and Rehabilitation reveals that male stroke survivors are more prone to depression than females, primarily due to uncertainty about their illness outcomes. Health ambiguity is significantly associated with greater depression for both sexes, but the association is stronger for men.
Madidi National Park has been documented to have an incredible array of species, including 1,088 bird species and over 200 mammal species. Despite this wealth of biodiversity, much remains unknown about the park's tropical montane forests.
Researchers have discovered a new species of African monkey, the lesula, in the Democratic Republic of Congo. The species is threatened by local bush meat hunting and has a limited range of 6,500 square miles, making it vulnerable to extinction.
A new study from Brigham Young University found that moderate-to-vigorous exercise in the morning can decrease a person's motivation for food. The research measured neural activity in women while they viewed food images before and after exercise, revealing a lower attentional response to food pictures after the workout.
A new study reveals that certain gut microbes increase dietary fat absorption, allowing the host to extract more calories. The research found that one type of bacteria, Firmicutes, plays a key role in this process.
A recent study published in Science Translational Medicine has reaffirmed the effectiveness of Truvada in preventing HIV transmission, finding that patients can reap benefits even with lower adherence to daily regimens. The research suggests that alternative dosing strategies could be explored to optimize efficacy and convenience.
Researchers found that a timed high-fat diet reduces body weight and alters metabolism to utilize ingested fats for energy between meals. The study suggests scheduling food consumption can be a therapeutic tool to prevent obesity in humans.
The DairyCents app estimates income over feed cost per cow, helping farmers plan financially. It also compares feed prices across the country and allows farmers to reference their current feed prices, potentially leading to better deals with suppliers.
A new study reveals that gut microbes can increase the absorption of dietary fats, allowing the body to extract more calories from the same amount of food. Firmicutes bacteria are found to play a key role in this process, and their abundance is influenced by diet.
Chronic sinusitis may be caused by a loss of normal microbial diversity in the sinuses, which allows a specific bacterium to colonize and cause inflammation. Restoring natural protective bacteria could be an effective way to treat this condition.
Young adults with advanced cancer experience life disruption and losses, affecting their educational, career, and personal goals. Clinical interventions can help patients cope with grief associated with cancer-related losses and life transition.
NASA's Global Hawk aircraft and satellites closely monitored Tropical Storm Nadine's development, capturing detailed data on wind patterns, rainfall rates, and storm structure. The storms were analyzed using a combination of NASA satellites, including TRMM, GOES-13, and Aqua.
A recent study found that frequent use of ibuprofen and acetaminophen is associated with an increased risk of hearing loss in women. The study, published in the American Journal of Epidemiology, suggests that these pain-relieving medicines may reduce blood flow to the cochlea or deplete factors that protect it from damage.
Researchers at Newcastle University have found that brain cells follow the same molecular pathway as senescent fibroblasts, leading to cell damage and age-related diseases. This discovery opens new possibilities for understanding and treating conditions like dementia and motor neuron disease.
A modeling study published in PLOS ONE found that introducing small payments alongside punishment can create stable, righteous societies in the face of corruption. Once corruption is eradicated, it can be held at bay indefinitely even if power inequalities return.
A University of New Hampshire researcher has received a $62,521 grant from NFL Charities to study the safe removal of protective equipment from injured players. The grant will allow Erik Swartz to work with high-fidelity human patient simulators at WakeMed Health and Hospitals in Raleigh, N.C.
A study by Michael Morris and colleagues reveals that individuals with high cultural metacognition tend to develop more affectively trusting relationships with people from other cultures, enabling the free flow of ideas. This leads to greater success in collaborative creativity across cultural lines. The research highlights the importa...
Dr. Jay Keasling has made significant contributions to synthetic biology, engineering microbial factories to produce affordable antimalarial drugs and biofuels. His work has improved the lives of millions of people in impoverished areas, making him a true science hero.
A recent study published in the British Journal of Clinical Pharmacology suggests that psychotropic drugs such as antidepressants, benzodiazepines, and Z-drugs may increase the risk of motor vehicle accidents. The research found a significant association between higher doses of these medications and a greater risk of accident involvement.
A new model developed by Weizmann Institute mathematicians and physicians proposes a more individualized approach to chemotherapy by considering not only the quantity but also the quality of blood cells. This could lead to better precautions for high-risk patients and spare unnecessary preventive treatments for those at low risk.
Researchers developed a nanoparticle system that can detect even the smallest levels of heavy metals in water and fish, offering an inexpensive alternative to existing cumbersome techniques. The device is capable of measuring low concentrations of mercury, a toxic metal that can accumulate in predatory fish and harm human health.
Hartzband and Groopman argue that expert recommendations often ignore vital dimensions of life and are based on flawed calculations. They propose a new approach for individual patients to weigh risk and benefit, and emphasize the importance of nuanced judgment in medical decisions.
NASA's Atmospheric Infrared Sounder instrument captured an infrared image of System 90E, revealing strong thunderstorms and heavy rainfall. The low-pressure system strengthened into Tropical Depression 11E, forecasted to move west-northwest towards the coast.
A study by UC San Diego researchers found that Facebook's 'get out the vote' message boosted voter turnout by an estimated 340,000 votes in 2010. The study showed that social influence and peer pressure played a crucial role in encouraging people to participate in elections.
A University of Illinois economist warns that cutting SNAP benefits would exacerbate food insecurity in the US. Restricting food choices through programs like New York City's sports drink ban also discourages participation and leads to more food insecurity.
Huei-Sheng Vincent Chen, PhD, receives $1.58 million CIRM Basic Biology IV award to develop personalized models of inherited heart conditions using stem cells derived from patients' own skin cells. The goal is to develop new therapies for these diseases and better understand their causes.
An international team of researchers has developed a way to manipulate cells using fluid flow patterns generated by mechanical oscillations in a microfluidic channel. This technique combines the precision of direct physical contact with the speed of non-contact methods, allowing for high-level control over individual cells.
Researchers found that troponin I's phosphorylation levels are altered in patients with heart failure, leading to muscle dysfunction. The discovery paves the way for new diagnostic tools and therapies for heart failure, a condition affecting over 6 million adults in the US.
A new Northwestern University study developed a formula that accurately predicts a young scientist's success in the life sciences, considering factors like publications, h-index, and high-impact journal articles. The formula is more than twice as accurate as existing methods for predicting future success.
Researchers aim to create nanoelectronic devices and logic circuits using quantum dots and light, promising breakthroughs in electronic circuitry density and speed. The project combines organic chemistry, semiconductor growth, and nanofabrication to develop a solid-state technology platform.
A new study found that nearly three-quarters of critically ill children had low vitamin D levels, leading to increased sickness and longer hospital stays. The research suggests that vitamin D supplements may be able to rapidly restore levels and improve outcomes.
Scientists have identified a substance that primes the body's immune system to fight infections, including flu, in a nasal spray. The synthetic form of Pam2Cys has shown promise in activating the innate immune system without replacing a normal response.
The Borderea chouardii plant, critically endangered and found only on two cliff sides in the Pyrenees, employs a doubly mutualistic reproductive strategy with local ants. The plant's unusually long lifespan and climatically stable habitat contribute to its success.
Researchers argue that self-control is not a depletable resource but rather a process influenced by motivation, attention, and individual perceptions. This new perspective has implications for understanding behaviors related to important problems like obesity and impulsive spending.
The Entomological Foundation recognizes Dr. Subramanyam for his research on stored-product insects and the Zebra Chip Research Team for their development of techniques to identify and manage the Zebra chip pathogen, leading to sustainable practices in the potato industry.
Three projects have won awards from NIBIB and HHMI to enhance interdisciplinary training for graduate students, sharing successful strategies among institutions. The resources developed through the grants will be disseminated to the broader research community, impacting biomedical science advancement.
Researchers at the Max Planck Institute for Chemical Ecology identified a specific enzyme, CYP337B3, responsible for the cotton bollworm's resistance to pyrethroids. This discovery highlights the importance of understanding the genetic mechanisms behind insecticide resistance.
Researchers from IRCM, MIT, USC, and Illumina have made a significant breakthrough in the fight against muscular dystrophies, particularly myotonic dystrophy. The study provides insights into the role of muscleblind-like proteins in causing the disease and has potential applications for diagnostic tools and treatment.
Researchers have identified genes that can be used to select low-cadmium accumulating crop varieties, offering a potential solution to reducing toxic levels in food. By understanding the mechanisms of Cd uptake in plants, scientists aim to develop targeted breeding strategies for crops like rice, wheat, and potatoes.
Researchers found that direct fed microbials lead to increased energy expenditures by the immune system in broiler chickens. This could have long-standing implications for poultry health and disease management.
Research at the University of Chicago found that high-achieving students experience math anxiety from an early age, which can disrupt their working memory and negatively impact their math performance. The study suggests that reframing anxiety through writing or expressive picture drawing can help alleviate this effect.
A research team at Intel Corp. has developed a long-lasting ultrahigh-density probe storage device by coating probe tips with a thin metal film, reducing wear and increasing the device's lifetime to over 8 kilometers. The device features an array of 5,000 ultrasharp probes that write tiny bits of memory as small as a few nanometers.
A Johns Hopkins study found that children under 6 are more likely to experience weight gain after tonsillectomy, with an average weight gain of 2-5 pounds in younger age groups. The study dispels the long-held belief that weight gains occurred mostly in children with sleep apnea or recurrent tonsillitis.
A Michigan State University sociologist argues that Russia's pursuit of liberalization has not led to democracy, but rather created a culture of greed, corruption, and disloyalty. The country's elite prioritize personal wealth over national interests, undermining its global influence.
The new guidelines provide updated recommendations for diagnosing and treating hypothyroidism, a complex condition affecting millions worldwide. The guidelines aim to address issues with inappropriate thyroid hormone administration and suboptimal dosing.
A University of Maryland study found that single-port kidney removal through the belly button resulted in higher satisfaction rates among living donors, with fewer limitations after surgery. The new technique also showed slightly less pain and no increased risks or complications compared to traditional multi-port laparoscopic removal.
A new study reveals that abstaining from smoking significantly affects teenagers' mood, cravings, and withdrawal symptoms in a manner similar to adults. Contrary to expectations, teenagers who had smoked for only two years showed strong negative effects after just one day of abstinence.
Researchers used information theory to identify DNA introns and exons, achieving an order of magnitude speedup over previous methods. This breakthrough can help better understand the human genome and predict diseases linked to DNA.
A study found that protection against whooping cough decreases by more than 40% each year after the fifth dose of DTaP vaccine. The decline in protection depends on the initial effectiveness of the fifth dose, with lower effectiveness leading to reduced protection.
A Tufts University researcher has developed a new statistical model that estimates air pollution exposure for previous time periods where direct data is lacking. The study shows that air quality improves when unemployment rises.
Archaeologists from the University of Leicester have uncovered human remains consistent with battle wounds, but not fitting the Tudor description of King Richard III as a hunchback. The discovery marks a significant shift to laboratory analysis to confirm the identity of the skeleton.