Researchers have developed tools to study sea level change and its driving forces. The largest factor contributing to sea level rise is changes in ice coverage, accounting for about 220 feet of sea level.
Researchers at the University of Pennsylvania School of Medicine have determined how serotonin decreases sensitivity to light and its role in maintaining circadian rhythm. The study suggests that serotonin may play a role in seasonal affective disorder (SAD) and other mood disorders.
NASA's new satellite measurements provide a reference for changes in ocean height, allowing scientists to better predict sea level rise and its causes. The data suggests that ice melting is the largest likely factor in global sea level change.
Researchers simulate sensor web technique to track pollution transport and improve forecast accuracy. The technology coordinates observations from satellites, airborne instruments, and ground-based stations to provide alerts days in advance for vulnerable populations.
A population-based case control study found that PSA screening of asymptomatic men significantly reduces the risk of metastatic prostate cancer. The researchers discovered a 35% protective effect, even among men not screened regularly.
Dr. Irene Pepperberg's research shows an African grey parrot, Alex, understands the absence of a numerical quantity by using the label 'none', challenging current understanding of avian cognition. This discovery also holds potential for teaching autistic and learning-disabled children
A new study reveals that earthquake recurrence times exhibit self-similarity, with smaller clusters of earthquakes grouped together within larger clusters. This critical phenomenon may improve risk estimation by showing a clear statistical dependence between earthquakes.
Physicists propose new class of time machines that avoid difficulties inherent in other models. Researchers also analyze lateral vibrations to control friction and crack propagation in thin films. The horizontal Brazil nut effect is studied, showing grain migration to center or edge based on size and density.
The 'Deep Impact' collision released tens of thousands of tons of material, enough to bury a football field under 30 feet of comet dust. Scientists are analyzing X-ray data to better understand the evaporation process on comets and their interaction with solar wind.
Researchers analyzed identical male twin pairs with differing lifestyles to study the impact of diet and exercise on LDL cholesterol. The study found a strong correlation between twins' responses to diet changes, highlighting the importance of genes in determining individual responses to dietary fat.
Researchers identified a specific amino acid modification in Keap1 as the critical step that triggers increased Nrf2 and protective protein production, potentially leading to cancer prevention. The study's findings suggest that targeting this amino acid could lead to new cancer-fighting drugs.
Doctors with poor communications skills struggle to engage patients due to computer placement, whereas those with good skills use eye contact and posture. The study emphasizes the importance of placing computers on moveable arms for optimal eye contact between doctors and patients.
Gene amplification is a common process in cancer cells that can lead to increased production of genes like MITF, which regulates tissue development and tumor progression. Researchers found an over-expression of MITF in melanoma tissue microarrays using the AQUA technology, correlating with decreased patient survival.
Scientists at NASA have developed a way to process radar data from the Tropical Rainfall Measuring Mission (TRMM) satellite, providing 3D snapshots of hurricanes. This allows forecasters to access information on heavy rainfall rates and cloud heights within three hours, helping them make more accurate forecasts.
Menzies Research Institute director Professor Foote awarded $17.5 million US grant to expand genetic research program on malaria. He will investigate how humans' immune systems fight malaria by infecting lab mice with rare genetic mutations.
Researchers found that sunflower seeds release a compound that may lower blood pressure, while moderate beer drinking reduces heart attack risk. Sauerkraut contains anti-cancer compounds, and onions help prevent bone loss. Meanwhile, regular hot dogs taste better than low-fat ones due to slower-releasing aroma compounds.
The retina's dynamic adaptation allows it to prioritize unusual features over routine ones, improving predictive coding and enhancing the ability to pick out new information. This process occurs rapidly, often within a few seconds of exposure to a novel environment, and is observed in both salamanders and mammals.
A large study found that acupuncture significantly improves symptoms in patients with osteoarthritis of the knee. However, its effectiveness when compared to standard treatment remains uncertain, and further research is needed to confirm its benefits.
G-CSF has potent cell protective effects on mature neurons, driving neuronal differentiation of adult neural stem cells. It doubles hippocampal neurogenesis even in normal animals, making it a potential treatment for stroke and neurodegeneration.
Scientists discover how HIV protein fragment FP shuts down immune response in T cells. Researchers found that FP locks onto proteins involved in invoking large-scale immune response, effectively shutting them down.
Researchers found a sudden shift in plant type after humans arrived in Australia, leading to extinctions of large birds like Genyornis. The study used ancient wombat teeth and bird eggshells to analyze carbon isotopes, showing that human-induced vegetation change was the best explanation for the ecological transition.
Global HIV/AIDS cases are increasing worldwide, with Africa being only one of the regions affected. The Lancet study highlights the need for international cooperation and resource allocation to address this growing epidemic.
A new species of deep-sea jelly has been discovered that attracts small fish with hundreds of glowing red lures. The lures are used as deception to capture prey in an environment where fish are scarce, forcing scientists to reevaluate the role of red light in the deep sea.
A new study by University of Colorado at Boulder-led researchers found that ancient birds in Australia's interior changed their diet drastically after human arrival, pointing to large-scale ecosystem changes. The shift was linked to the extinction of large terrestrial mammals and other species.
Researchers found that identical twins may have more differences than expected due to epigenetic changes. The study analyzed epigenetic changes in 40 pairs of twins and found that those with greater health differences had higher methylation levels, which could impact cancer development.
Researchers investigated bottom quark creation in high-energy collisions using D zero experiment data. Wijngaarden's measurements showed the angle between two bottom quarks can be smaller than predicted, indicating a more complex description of the strong nuclear force is needed.
Researchers uncover HIV fusion peptide's dual role in mediating immunity and downregulating T cell responses. Additionally, a novel connection is made between fat cells, cholesterol metabolism, and PPAR gamma regulation.
A VCU study found that low-dose oral contraceptives double the risk of cardiovascular events, such as heart attacks and strokes, among women. Women with PCOS or metabolic disorders are particularly at increased risk.
Researchers found that vermilion particles first turn black, then white through a two-step degradation process, challenging the prevailing view of simultaneous color development.
Anna-Karina Hermkens' research on the Maisin people highlights the crucial role women play in ceremonial exchange systems, challenging traditional anthropological perspectives. The study reveals how barkcloths, made from paper mulberry trees, are intertwined with ideas about gender and sexuality.
Researchers find HIV domains mediate cell membrane fusion and downregulate T-cell responses. The study also suggests a novel way to decrease undesirable immune responses, independent of HIV infection.
A trio of plant genes have been found to play a crucial role in regulating the density of microscopic pores called stomata, which are essential for photosynthesis. By understanding how these genes function, scientists can gain insights into how plants evolved to survive on land and how they adapt to changing environmental conditions.
Researchers find evidence of massive submarine sand avalances that carried sediments into deep-water Gulf of Mexico, accumulating in bowl-shaped basins. The discovery will aid understanding of how deeply buried reservoirs are formed and how oil and gas can be drained from them.
The Howard Hughes Medical Institute (HHMI) has selected 42 biomedical scientists from around the world to receive international research grants. These awardees will contribute to advancing global health and medical innovation through their research projects, with a focus on infectious diseases, parasitology, and immunology.
Researchers have developed a new technique using carbon nanotubes to mimic the role of collagen in bone tissue, leading to improved mechanical strength and flexibility for artificial bone grafts. This breakthrough could lead to a new type of bone graft for fractures and potentially even treat osteoporosis.
Researchers from Purdue University confirmed that eagles from central Asia are monogamous, with no adult straying from its mate. The study used non-invasive DNA analysis on feathers to track individual birds over a six-year period, providing valuable insights for conservation biologists.
Stephen P Goff, a prolific scientist with over 250 publications, was recognized for his outstanding research and mentorship. He developed the Moloney murine leukemia virus as a genetic system and made significant contributions to the development of antitumor drug Gleevec.
Researchers found that senior players aged over 27 were more likely to suffer further hamstring injuries. The study also discovered that flexibility had no impact on the risk of such injuries in elite footballers, who account for 13% of all AFL player injuries.
A University of Pittsburgh study identifies specific brain regions involved in anorexia nervosa, including the basal ganglia and its relation to reward and reinforcement. The research suggests that altered dopamine function may contribute to the disorder's symptoms, including obsessive behaviors and self-denial.
A University of Florida study examines psychological distress in households where grandparents are raising grandchildren. Younger grandmothers are more susceptible to depression and experience emotional distress due to feelings of failure as a parent and financial strain.
Researchers discover 'doping' mechanism in semiconductor nanocrystals, enabling controlled incorporation of impurities. The findings overturn a common belief that nanocrystals are intrinsically difficult to dope due to self-purification.
A recent study found that African-American and Latino youth are more likely to perceive the criminal justice system as unjust, with perceptions increasing as integration levels increase. However, schools with higher proportions of white students show a decrease in perceptions of injustice.
A study found that bedsharing and couchsharing are associated with increased risk of Sudden Infant Death Syndrome (SIDS), even in non-smoking parents. The safest sleep environment is a separate room for the first six months, with the infant placed on their back to sleep.
Researchers discovered that quantum coherence in qubits spontaneously disappears, even without external influences. This process is linked to quantum mechanical spontaneous symmetry breaking, which could limit the development of quantum computers.
A study found that the cortical zone of the upper femoral neck becomes thinner with age, reducing its ability to absorb energy before buckling. Exercise may be a potential solution, as it can load this region differently than walking, which is the primary source of load on older adults.
This study sheds new light on the ideological positioning of Catholics in relation to the constitution, education, and the Dutch nation. It reveals how attention shifted from church-state relations to faith-politics debates.
The Sydney Melanoma Unit has been awarded a National Health and Medical Research Council Program Grant, providing $7.8 million to support its vital research. The grant aims to identify molecular factors that determine an individual's risk of melanoma and develop more effective treatments.
Notch protein plays a crucial role in directing early T-cell development in the thymus, a small organ under the breastbone near the heart. This study provides new insights into the process, shedding light on how Notch signaling contributes to T-cell differentiation and potentially improving outcomes for transplant patients.
A high-energy photon beam search at Jefferson Lab's CLAS collaboration found no evidence of a pentaquark, contradicting earlier reports. The new analysis, which boasted improved statistics and background understanding, revealed a much weaker signal than initial results, leading researchers to re-evaluate their findings.
A Phase 2 study of Aranesp(R) demonstrates a 77% overall response rate in low-risk MDS patients with anemia. Patients who had never received erythropoietic therapy responded well to Aranesp, while those with prior treatment showed continued efficacy.
A $1.84 million NHMRC grant will enable the development of a secure, efficient national online database for cancer clinical trials. This system aims to revolutionize data management and increase patient access to trials, ultimately saving lives by accelerating evidence-based treatments.
Bioethicists who accept funding from pharmaceutical and biotechnology industries may be more likely to prescribe industry drugs, even if they believe it has no influence. Researchers argue that stronger measures are needed to ensure independence and credibility in bioethics scholarship.
The European Commission's Heart Health Conference aims to promote cardiovascular disease (CVD) prevention measures across Europe. The conference concluded with key actions for member states and the EC to implement to improve cardiovascular health in Europe, emphasizing the need for a long-term approach through public health strategies.
A new experimental drug PKC412 has been discovered to combat resistant tumors in GIST patients. The study reveals that KIT's reactivation is a crucial factor in tumor cell resistance, and PKC412 can counteract this process.
A new study called MESA Air aims to better define air pollution standards by tracking the development of atherosclerosis and cardiovascular events in 8,700 participants. The researchers will measure the effect of repeated exposure to six major air pollutants over a 10-year period.
A new gene scanning technique called meltMADGE enables the discovery of rare genetic variations associated with various diseases. Researchers analyzed nearly 10,000 middle-aged individuals and found associations with high cholesterol levels and potential protective effects.
Researchers at UT Southwestern discovered that WNK1 activates SGK1, leading to sodium ion channel activation and increased blood pressure. The study suggests that genetic factors may play a role in salt-sensitive hypertension., Genetic factors may contribute to hypertension in certain population groups.
Researchers show that matrix metalloproteinases (MMPs) promote carcinogenesis by breaking down tissue organization and damaging genomic DNA. Treatment with MMP-3 leads to expression of Rac1b, which stimulates the production of reactive oxygen molecules, causing cancer.
A new study by Arizona State University reveals Mars' surface minerals using THEMIS and TES data, yielding surprising results in localized areas. The findings show that Mars has evolved and continues to evolve beneath its surface, similar to Earth, with diverse igneous mineral types rivaling those found on our planet.
A £1.8m UK project aims to identify genes that improve barley quality for whisky production, benefiting growers, producers, and drinkers, while supporting the Scottish agricultural economy.