Researchers have made significant advancements in understanding Earth systems using highly detailed GPS observations. A new technique has improved the accuracy of GPS data by correcting for a time lag built into current satellite systems, allowing for more accurate measurement of dynamic ground motion. Additionally, studies have reveal...
A study by Rachel Herz at Brown University found that responses to new odors depend on emotions experienced while the odor was present. Participants who played a game and watched a film clip rated the new scent as enjoyable and familiar, whereas those who played a frustrating game rated it as unpleasant.
Researchers analyzed 29,508 patients who underwent contrast-enhanced CT with iopromide. The study found that 29,297 experienced no adverse effects, while only four were severe out of 211 reported cases. This large-scale study provides insight into the safety of iopromide in a diverse patient population.
A recent study published in Nature reveals that the brain processes Silbo Gomero, a unique whistle language used by Spanish shepherds, similarly to how it deciphers spoken languages. The researchers found that left hemisphere language regions were uniquely adapted for communicative purposes, independent of the modality of signal.
A new British study found that 41 percent of extremely premature babies have severe or moderate mental impairment at six years old. Only 20 percent have no neuromotor or mental disability. The March of Dimes emphasizes the importance of preventing prematurity, with a focus on research, education, and support for families.
Researchers observe enormous cavities surrounding a supermassive black hole, preventing gas from cooling and forming new stars. The discovery sheds light on the universe's structure and supports recent theories about black holes' role in shaping galaxy evolution.
Astronomers discovered a record-breaking eruption of hot gas and cavities in galaxy cluster MS 0735.6+7421, fueled by a super massive black hole growing at an incredible rate. The event generated energy equivalent to hundreds of millions of gamma-ray bursts.
Researchers at Georgia Institute of Technology have developed aerodynamic improvements and flow control techniques that can reduce fuel consumption in heavy trucks by as much as 11-12 percent. The technologies, inspired by systems originally developed for jet aircraft wings, also enhance braking and directional control, potentially imp...
Researchers found that power lines can achieve near-gigabit per second transmission rates under ideal conditions, making them a potential alternative for broadband internet in rural areas. However, engineering issues such as impedance matching and interference need to be addressed to make this technology economically viable.
A recent study reveals that US homes suffer from over 12 million nonfatal unintentional injuries annually, with falls, poisoning, and burn injuries being the leading causes of such incidents. The research emphasizes the critical need for action to reduce injury risks within the home, particularly among vulnerable age groups.
A large multi-center clinical trial is planned to test the safety and efficacy of antibiotics in treating ALS. Daily injections of ceftriaxone delayed nerve damage and extended survival by 10 days in mice with a Lou Gehrig's disease model.
Researchers have discovered a new protein, SP-1, with unique structural characteristics that can survive extreme conditions. The protein has the ability to assemble into a structure composed of 12 identical units, making it exceptionally resistant to conditions and promising for medicinal applications.
Researchers found that recognizing faces requires visual perception, while lower-level aspects like orientation can be processed without awareness. The study used binocular rivalry experiments and inattentional blindness to demonstrate the importance of visual processing in face recognition.
A new high-resolution ultrasound imaging device, SCAD, can monitor and diagnose bone quantity, density and strength in space. The technology has the potential to aid diagnosis for a number of skeletal disorders and improve treatment outcomes for people suffering from osteoporosis.
Researchers have developed a new stand-alone detector that can identify three types of biological agents: bacteria, viruses, and toxins. The Autonomous Pathogen Detection System continuously monitors the air like a biological smoke detector, providing information required before public-health action can be taken.
A new study by Johns Hopkins researchers found a significant association between passive smoking and an increased risk of developing cervical neoplasia. Women who lived with smokers had a 40% or greater risk of developing cervical neoplasia, highlighting the importance of reducing secondhand smoke exposure to prevent cervical cancer.
Scientists studying Pinatubo's rivers found that some have not recovered to stable channels, necessary for aquatic species and ecological recovery. The high amount of sediment remains a threat to human settlements, posing risks of flooding and loss of life.
The European Skeletal Dysplasia Network (ESDN) enables doctors to submit patient data and x-rays to a secure portal, where it's referred to experts in six countries for accurate diagnoses. The system overcomes geographical barriers and brings together scarce clinical resources for rare conditions.
A study of 502 patients with coronary artery disease found that statin therapy lowered both LDL cholesterol and C-reactive protein levels, leading to slower disease progression. The research suggests that inflammation plays a key role in cardiovascular disease and may be useful in patient management.
A new computer-aided detection (CAD) system has been developed to detect colon polyps obscured by contrast-enhanced fluid in the colon. The algorithm successfully identified 19 out of 22 polyps in a study involving 17 patients, highlighting its potential to reduce missed diagnoses and lower cancer risk.
Researchers have identified two types of immune cells in the liver that can cause scarring or repair it. Understanding these cells may lead to new treatments for cirrhosis, a major cause of liver failure.
The Swift X-ray Telescope has successfully captured its first gamma-ray burst afterglow, marking a significant milestone in the mission to understand these mysterious events. The telescope will help scientists pinpoint the location and nature of the explosion, providing crucial clues about the origins of gamma-ray bursts.
The Indonesian earthquake's unique combination of a subduction zone and shallow depth made it particularly deadly, resulting in over 150,000 deaths. Scientists have developed technology to warn people of pending tsunamis, but an early warning system is lacking in the Indian Ocean.
A new study found that HSV-1 DNA was present in the eyes and mouths of nearly all healthy participants, highlighting the widespread nature of the virus. The research suggests that controlling virus excretion could limit transmission and is a simple way to evaluate new antiviral drugs.
The Huygens probe will parachute onto Titan's surface on January 14, studying its thick atmosphere and clouds with six science experiments. DISR will take images of the surface for over two hours, creating panoramic views of the ground and horizon.
Researchers found that depressed patients are twice as likely to die within two years after their first heart disease episode compared to non-depressed patients. The study also discovered a stronger link between depression and higher risk of death in studies published before 1992.
Researchers found that reduced CRBP-I function compromises RAR activity, leading to loss of cell differentiation and tumor progression. The study suggests that somatic CRBP-I loss may contribute to breast cancer development and highlights the need for further research into vitamin A's role in cancer prevention.
Researchers found that 50% of c-MYC-induced mammary cancers persisted in mouse models despite c-MYC gene blockage. Residual cancer cells quickly recovered malignant properties after treatment and eventually progressed to independent growth states.
Researchers found that drinking chamomile tea increased urinary levels of hippurate, a compound associated with antibacterial activity, and glycine, an amino acid that relieves muscle spasms. The compounds remained active for up to two weeks after stopping tea consumption.
A study found that women taking SSRIs with CYP2D6 variant alleles had lower tamoxifen metabolite levels, potentially impacting treatment efficacy. The authors suggest testing CYP2D6 genetic variants to personalize tamoxifen therapy.
In an animal study, stem cells from human umbilical cord blood significantly reduced the size of heart damage and restored pumping function to near normal after a heart attack. The researchers suggest that these stem cells could be a new treatment for limiting or repairing heart muscle damaged by a heart attack.
Scientists have discovered a new gene, Bnip3L, that helps p53 eliminate cancer cells under low-oxygen conditions. Silencing this gene allows tumors to grow more aggressively in hypoxic environments.
Scientists discovered that humans have only 30,000 genes, far fewer than expected, and that RNA editing plays a crucial role in protein diversity. A-to-I RNA editing has been linked to various diseases, including ALS, epilepsy, and depression, and may shed light on evolutionary processes.
A recent study by Indiana University School of Medicine found that nearly all sexually active adolescent females aged 14-17 were infected with the human papillomavirus. The researchers also discovered that many of these participants had multiple HPV types, which are associated with an increased risk for cervical cancer.
A recent UCSF study found that rates of pregnancy and STIs remained unchanged among young women with increased access to the morning after pill. Despite efforts to make emergency contraception more accessible, only a fraction of women who had unprotected sex used it.
Researchers found that women who received emergency contraception (EC) through pharmacies or advance provision were more likely to use EC than those with clinic access. Despite concerns about increased risk-taking and STIs, the study revealed no significant differences in pregnancy rates or STI acquisition between groups.
Researchers pinpoint MuRF1's role in regulating cardiac cellular molecules involved in abnormal heart enlargement. The protein degrades troponin-1, a critical component of the cardiac contractile machinery, suggesting new therapeutic avenues for treating cardiac hypertrophy.
Researchers found that families with good relationships with their pediatricians received more advice on injury prevention issues, leading to better behavior changes. The study suggests that establishing a trust-based relationship between parents and doctors can lead to improved health outcomes.
A new study found that children's hospitals can do better in preventing hospital-acquired infections, clots in intravenous lines, and bedsores. The analysis suggests ways to refine analytical tools to fit children's care more accurately.
A study found that environmental tobacco smoke exposure is linked to significant declines in reading and math scores, as well as logic and reasoning skills in children. The research suggests that even low levels of exposure can have adverse effects on cognitive abilities, with an estimated 33 million US children at risk.
A study found that childhood obesity decreases quality of life in children, particularly in physical and social functioning. The research also showed a small but significant effect of overweight on children's overall health-related QOL, highlighting the need for early intervention to prevent long-term health risks.
A study found that college students were less willing to hire a woman with two children and judged her as a lesser candidate for promotion compared to a childless woman. Fathers, on the other hand, were held to more lenient standards than both women and childless men.
Researchers have developed a new treatment that significantly reduces morphine use after hysterectomies, leading to improved lung function and more consistent pain relief. The treatment combines two non-opioid drugs, gabapentin and rofecoxib, which work together to alleviate movement-related pain and promote better breathing.
A new study found that blocking VEGFR-3 prevented lymphangiogenesis in a mouse model, potentially inhibiting tumor metastasis. The study suggests that targeting VEGFR-3 may be a viable therapeutic strategy to prevent lymphatic vessel growth and tumor spread.
Falls are a leading cause of death from unintentional injury in the US, with 7% of households reporting a fall requiring medical attention. Homeowners can take steps to prevent falls by installing protective devices such as grab bars, handrails, and safety gates.
Researchers used MRI to study brain activity and found that tens of thousands of discrete brain regions form a network with the same features as other complex networks, such as the Internet. The brain network shares two fundamental properties: small world connectivity and in-homogeneity, allowing for efficient information transmission.
The study aims to understand the complex linkages between environmental change, whale population dynamics, and human societies in Alaska's Arctic ecosystem. Collaborators will investigate climate variability, ice reduction, and its impact on local whaling practices and global commerce.
A team of scientists from Cornell University and international partners will assess the impact of recent tsunamis on Sri Lanka's coastline. The research aims to enhance predictive capabilities and inform future development of tsunami warning systems.
A recent study published in BMC Medicine reveals that environmental factors are a major contributor to higher blood pressure among African Americans, contradicting the long-held assumption of a genetic predisposition. The research found significant variations in hypertension rates across different populations worldwide.
Researchers at McMaster University have used ancient DNA to study the evolution of the Haast's eagle, a giant bird that once ruled New Zealand. The study found that the species is related to one of the world's smallest eagles, with an estimated common ancestor living less than a million years ago.
Researchers found that using a gonad capsule during MDCT scans significantly reduced the radiation dose to the testicles. The study revealed a 87% decrease in radiation exposure when using the gonad capsule compared to those who did not use it.
Researchers from USC found evidence that progesterone signaling influences ovarian cancer risk, particularly two haplotypes (4-D and 4-E) that increase risk by almost 3.5-fold in women who carry them. The study's findings suggest that subtle changes in the progesterone receptor gene may decrease its efficiency, leading to ovarian cancer.
Ali Nayfeh, a renowned Virginia Tech engineer, has been honored by the American Society of Mechanical Engineers (ASME) for his lifetime contributions to nonlinear dynamics. He joins the Office of Naval Research's HiCASS team to develop ship-to-ship transfer capabilities, a crucial technology for naval operations.
Researchers found that all four popular diets resulted in modest weight loss at 1 year, but only 25% of participants sustained weight loss over 5%, highlighting the importance of dietary adherence. The study challenges the notion that one diet is best for everyone and suggests a 'nutrigenomic' approach may be necessary.
A study published in the Journal of the American Medical Association finds that women with low levels of placental growth factor (PlGF) in their urine are highly likely to develop preeclampsia. Researchers plan to refine this finding into a clinical test to screen for high-risk pregnancies.
Researchers at Beth Israel Deaconess Medical Center have developed a simple urine test to detect preeclampsia risk in pregnant women. Urinary PIGF levels drop prior to preeclampsia symptoms, predicting which women will develop the condition.
Research shows how individual species interact with each other after extinction, affecting recovery and evolution. Marine snails' feeding behavior changed from drilling holes to reach soft bodies inside clam shells.
Researchers discovered impaired lung function test results and low exhaled nitric oxide levels in school-age BPD survivors, indicating distinct pathophysiologic pathways. Meanwhile, individuals with beryllium sensitization progressed to chronic beryllium disease at a rate of 6-8% per year.
A groundbreaking study reveals a new type of ecosystem born from the intersection of nature and city life. The Phoenix urban ecosystem is characterized by higher abundance of plants and animals due to consistent access to water resources.
Researchers have identified IL-7 as a potent and strain-specific inducer of latent HIV-1 cellular reservoirs in individuals on virally suppressive HAART. The growth factor stimulates HIV-1 activation from resting T cells, suggesting new approaches for HIV treatment.