Researchers have discovered that Mercury has contracted by as much as 4.4 miles due to cooling, exceeding previous estimates of ½ to 2 miles. This finding is consistent with thermal models and resolves a decades-old paradox in understanding the planet's history.
Scientists found that Northeast Greenland Ice Stream started losing mass in 2003 due to localized temperature increase, contradicting previous predictions. The study suggests this region is sensitive to climate changes and could contribute significantly to global sea-level rise.
Researchers have identified a key pathway that helps cancer cells survive in low-glucose environments, and found that certain diabetes drugs can inhibit this pathway to kill cancer cells. The study provides new insights into how anti-cancer properties of diabetes drugs like metformin may work.
A team of scientists has identified the key player in plant nectar production, revealing that plants rely on SWEET9 to transport sugars into extracellular areas where nectar is secreted. The discovery suggests that this process evolved early in the formation of flowering plants and may have increased genetic diversity.
Researchers have successfully developed a method to create high-quality, lower-fat versions of popular food products like sauces, dressings, and desserts. By adjusting the calcium level and acidity, they were able to improve the texture, appearance, and flavor of these foods without sacrificing taste or nutritional value.
Scientists have developed a potentially safer and greener alternative to the hormone-disrupting chemical BPA. Bisguaiacol-F (BGF), synthesized from lignin, is being touted as a suitable replacement due to its similar shape to BPA and lower toxicity levels. The researchers believe BGF could be ready for market within five years.
Researchers discover that only 20-30% of water vapor molecules condense on a liquid surface, while the majority bounce away. The study's findings could lead to more efficient desalination membranes and fundamental understanding of fluid flow at the nanoscale.
Researchers found that the northeast Greenland ice sheet is no longer stable and contributing to global sea level rise. The ice stream's retreat accelerated by 20 kilometers over the last decade, suggesting a positive feedback mechanism that could increase future sea level rise.
New research shows a 95% success rate after five years for meniscal allograft transplantation (MAT) surgery, with an additional operation required in 32% of cases. Patients can recover and return to active lifestyles with the right treatment, according to lead author Dr. Frank McCormick.
The American Thoracic Society has developed guidelines to identify and manage patients with sickle cell disease who are at increased risk of mortality from pulmonary hypertension. Guidelines recommend treatment with hydroxyurea, chronic transfusion therapy, or indefinite anticoagulant therapy in patients with confirmed pulmonary hypert...
Researchers have made progress on a 'breathing' battery that could replace lithium-ion technology in electric vehicles, with the potential for nearly twice the energy storage capacity. The new battery design uses air instead of traditional materials and has shown high conductivity and the ability to discharge and recharge 100 times.
A new study reveals that 83% of major league pitchers who underwent Tommy John Surgery returned to the mound, with most returning after an average of 20.5 months. The surgery also showed positive performance indicators, including a drop in ERA and pitching losses.
Researchers found significant osteoarthritic changes on reconstructed knees (65%) compared to non-involved knees (14%). Quality of life and other health-related scores were comparable to those seen in healthy controls.
New data reveals that 82% of Division 1 NCAA football players return to play after ACL surgery, with motivation and skill playing key roles. Sophomores and juniors show the highest return rates, at approximately 90%, while scholarship players average around 87.6% recovery.
Researchers found that revision arthroscopic rotator cuff repair surgery's long-term outcomes are not as successful as in a first-time surgery. After two years, patients who underwent revision surgery experienced increased pain and impaired function compared to those who had primary surgery.
Bob Hatcher, a renowned geoscientist at the University of Tennessee, has been awarded the Marcus Milling Legendary Geoscientist Medal. The honor recognizes his outstanding contributions to the field, including his research on continental crust evolution and community outreach efforts.
Scientists have developed a way to convert mechanical energy into electricity, enabling the creation of portable and sustainable power sources. The technology, known as triboelectric nanogenerators, can harness energy from everyday movements such as walking or rubbing, making it possible to charge mobile devices on the go.
Research suggests that pediatric ACL surgeries are faster for those with commercial insurance and higher household incomes, leading to better outcomes and quicker returns to sports. This delay in treatment may increase the risk of additional knee injuries.
IceBridge began its 2014 Arctic campaign with two sea ice surveys north of Greenland, focusing on changes in sea ice elevation and thickness. The mission aims to collect more data, including cross-basin surveys over the Arctic Ocean and flights over the Beaufort and Chukchi seas.
The study found that approximately 2.5 million Americans are living with an artificial hip and 4.7 million with a knee replacement, highlighting the need for ongoing patient care. The prevalence of total hip and knee replacements among adults aged 50 and older is as high as 2.3% and 4.6%, respectively.
A survey of parents with congenital heart disease found that physicians often fail to provide compassionate and understandable information, leading to difficult decisions and stress. The study suggests that physicians should offer context, including success rates and internet resources, to help guide treatment choices.
A new study suggests that gastric bypass surgery can diminish knee pain in obese patients without osteoarthritis, with improvements comparable to those achieved through knee replacement surgery. Patients who underwent bariatric surgery reported significant reductions in knee pain and physical function at one-year follow-up.
Research from the University of Adelaide has confirmed that gene USP9X is crucial for early human brain development and intellectual disability. Mutations in this gene disrupt normal brain cell functioning, leading to disorders such as epilepsy and autism.
A new study found that universal neuromuscular training for adolescent athletes can reduce ACL injuries by 63%, making it the most cost-effective strategy. The program's estimated cost is approximately $1.25 per day, saving $275 per player per season.
Biophysicists at Rice University developed a computational technique that combines genetic and structural data to analyze complex molecular machines. The technique, called DCA, reveals previously unknown details about protein transitions between functional states.
Researchers found that drivers with hemianopia had lower detection rates for pedestrians on the side of their field loss due to inadequate scanning patterns. These individuals often failed to scan the entire intersection or scanned too little, increasing the risk of accidents.
South African and French scientists have dated the nearly complete skeleton of Little Foot to around 3 million years old, refuting previous claims of a younger age. The study analyzed stratigraphy, micro-stratigraphy, and geochemistry to determine the age of the fossil.
A new study published by the Institute of Food Technologists found that a mixed raspberry jelly with black and yellow raspberries had high sensory acceptability. The production of a 3-colored jelly could be an alternative to traditional single-color jellies, providing additional health benefits from antioxidants.
A large analysis of international studies suggests a time-dependent link between diabetes and pancreatic cancer. Screening programs may be necessary for patients with new-onset diabetes, particularly those without significant risk factors.
A study of obese orthopedic trauma patients found higher rates of complications and increased healthcare costs, but surprisingly lower injury severity scores compared to non-obese counterparts. The research revealed that obese patients required longer hospital stays and more intensive care unit admissions.
A new study found that patients with obstructive sleep apnea who received care from board-certified sleep medicine physicians and accredited sleep centers were two times more likely to be adherent to positive airway pressure (PAP) therapy. Patient satisfaction was also associated with physician certification.
Obese children are more likely to suffer from distal radius fractures and experience complications related to healing. Surgical pinning at the onset of fracture may ensure faster and more effective healing for these patients.
Seven large fires are burning in the Southeast, with six located in Oklahoma and one in Louisiana. Prescribed fires account for the majority of these fires, reducing wildfire damage and improving habitat, according to land management officials.
Researchers used brain-mapping techniques to study imitation in schizophrenia patients and found abnormal brain activity in areas associated with imitation. The findings suggest that individuals with schizophrenia may have a less specialized brain network for processing social information, leading to difficulties with social interactions.
Researchers at Hospital for Special Surgery found that patients who lose weight after hip or knee replacement have better clinical outcomes, including improved function and activity levels. Meanwhile, patients who gain weight experience inferior outcomes, highlighting the importance of maintaining good health and a suitable weight.
A study published by the American Academy of Orthopaedic Surgeons found that platelet-rich plasma (PRP) treatment is more effective than cortisone injections in treating severe chronic hip bursitis. PRP provided short- and long-term pain relief, with significant improvements in patient function.
Researchers found a positive association between age and performance on the digit symbol substitution test, but no significant link with years of football participation. The study suggests that playing football is not inherently detrimental to neurocognitive function.
The University of Colorado will receive a $2.1 million grant to help adolescents with Type 1 diabetes manage their disease and improve health outcomes through the Flexible Lifestyle 3mpowering Change (FL3X) study. The study aims to teach teens how to manage insulin, blood sugar, and daily tasks, with positive outcomes from a pilot study.
Researchers found that just a handful of genetic mutations give E. coli the capacity to withstand ionizing radiation, making them similar to Deinococcus radiodurans. The study demonstrates active DNA repair mechanisms that allow organisms to resist radiation damage.
A new study found that extreme sports like skateboarding and snowboarding have the highest risk of severe head and neck injuries. Concussions were the most common injury, with a higher risk in snowboarding and skateboarding. The Academy recommends helmet use for safer participation.
The distraction osteogenesis technique successfully increased the length of the maxilla by an average of 6.4 millimeters in seven adolescent to young adult patients with cleft lip and palate deformities. This approach showed benefits over standard surgical methods, with significantly less bone regression after follow-up.
A new study by Thomas W. Buford et al. examines the ACE I/D gene and its impact on older adults' response to exercise. The researchers found that genetic variations can influence exercise-induced changes in physical function among mobility-limited seniors.
Research shows that even low-energy radiation can cause DNA damage, including double-strand breaks, which are often irreparable. Industry characterization of 'eye-safe' lasers at wavelengths longer than 1300nm is flawed, as these wavelengths can induce damage to DNA in the eye
Researchers found that mechanical tension is established shortly after muscle-tendon contact, providing positional information for sarcomere formation. Without tension, muscles fail to build regular myofibrils, resulting in chaotic protein distribution.
Researchers assessed 1,095 patients following acute fractures and found poor sleep independently associated with poor emotional status. Orthopaedic surgeons should monitor patient mental health and counsel patients on sleep expectations to provide highest level of care after fracture treatment.
Researchers at CAB successfully recreated Europa's crust in a laboratory experiment, revealing that high-pressure fluids could be responsible for the moon's reddish materials. The study suggests that certain characteristics of Europa's surface may be explained by a saline aqueous medium, with significant implications for life on Earth.
Researchers have developed a novel approach to treating CLL by disrupting the activity of the NF-kappaB pathway, which ensures survival and resistance of CLL cells. This approach may lead to re-sensitization of CLL cells to conventional chemotherapy and novel agents.
A University of East Anglia study found that schools providing clean water report lower absenteeism rates. During the dry season, children without access to clean water were 2.5 times more likely to be absent than those with access. The researchers also highlighted the potential benefits for child health and education.
A comprehensive study found that contagious yawning decreases with age and is not strongly related to variables like empathy or energy levels. However, age was the most important predictor of contagious yawning, accounting for only 8% of variability in the response.
Researchers have developed an on-board emotion detector using embedded cameras to analyze drivers' facial expressions, identifying irritation and anger as risk factors for aggressive driving. The system successfully detected these emotions in most cases, paving the way for potential applications in driver safety and comfort.
TRMM satellite data shows heavy rainfall rates and powerful thunderstorms in the northeast Gulf of Carpentaria, indicating a potential rebirth of Tropical Cyclone Gillian. The system is expected to intensify over the next 24-36 hours, posing gusty winds and heavy rainfall to coastal communities.
A study by Cornell Food & Brand Lab found that offering 5-10 healthy food options and modifying popular items to reduce saturated fats increased revenue and sales. The healthier items accounted for 9.2% of total sales and parental satisfaction also increased.
A new study evaluated the outcomes of Charnley total hip replacements in patients under 50 years old at least 35 years post-surgery. The results showed that a significant number of these patients had functional hip components, despite decreased activity levels over time, primarily due to age and health-related factors.
A study published in Medical Care found that patient requests for specific medications, including brand-name drugs, have a substantial impact on doctors' prescribing decisions. The results suggest that these requests can lead to suboptimal care and increased medication costs.
Researchers at Aarhus University found that patients with blood poisoning are twice as likely to develop a blood clot in the brain or heart. The risk is highest within 30 days of infection, and only 0.2% among the general population.
Scientists discover five new species of armored spiders living in caves in the South China Karst, a UNESCO World Heritage Site. This finds brings the total number of known spider species in China to 4300, with over 2000 caves investigated.
Researchers at UC Davis hope to prove that mobile health technology improves cancer patient care, quality, and reduces costs. The project uses a unique social networking tool to connect patients with their nurse coordinators, family, caregivers, and clinicians.
A study published in the Journal of Food Science found that combining hemp flour with decaffeinated green tea leaves creates a gluten-free cracker with high protein, fiber, and essential fatty acid content. This combination also provides antioxidant properties, making it a nutritious snack option for consumers.
NASA's Aqua satellite captured infrared data on Tropical Cyclone Lusi, revealing it had become a cold-core system with strongest winds spreading out. The storm is expected to bring gale-force winds and heavy rain to Northern New Zealand, particularly around North Cape.
Researchers found a dramatic rise in opioid analgesic prescriptions during US emergency department visits from 2001 to 2010, with some opioids increasing by 668.2 percent. Despite modest increases in painful conditions, the findings suggest a concerning trend that may lead to misuse and addiction.