Researchers have found that the alignment of the sun's magnetic field with Earth's shields our planet from solar particles. The discovery could be used to predict when solar storms will be severe, and is expected to impact power lines and spacecraft.
A blue ribbon task force has issued its interim report, highlighting the need for sustainable economic models to provide access to growing amounts of digital information. The report identifies systemic challenges, including inadequate funding models, confusion among stakeholders, and a lack of incentives for collaboration.
A new Purdue University study suggests that warming temperatures could lead to an increase in corn pests, resulting in decreased yields and increased costs for farmers. The research found that warmer weather could allow these insects to expand their territory and produce an extra generation of offspring each year.
The Life Sciences Discovery Fund awarded four Washington State-based research organizations over $18 million in grants to advance vaccine development, improve cardiac resuscitation technology, enhance rural mental health services, and develop targeted intracellular drug delivery mechanisms.
Scientists at Northwestern University found that HIV can penetrate female genital tissue by moving quickly between skin cells, allowing the virus to reach immune cells. This discovery challenges the long-held assumption that the female genital tract is an efficient barrier to viral penetration.
A study at University of Rochester Medical Center discovered a gene mutation in the placenta that is also influential in cancer development. The SENP2 gene's role in early embryo development was not known until now.
Researchers identify ideal locations for low-impact wind farms with high frictional dissipation, reducing turbulence and its effects on local hydrometeorological conditions. By optimizing turbine spacing and rotor designs, wind farm efficiency can be increased and negative impacts minimized.
A team of Caltech researchers proposes a mathematical model explaining an anomaly in the universe's radiation and matter distribution. The model predicts more cold than hot spots in the Cosmic Microwave Background radiation, which could offer insights into what happened during inflation and potentially even what came before the Big Bang.
A study by Duke University Medical Center found that older adults use their brains differently when it comes to storing memories associated with negative emotions. Older adults have less connectivity between emotion-generating and memory regions, but stronger connections with the frontal cortex, which controls lower-order brain functions.
A study published in the FASEB Journal found that even a low dose of caffeine ingested during pregnancy can affect fetal heart development and lead to decreased cardiac function and increased body fat in males. Researchers exposed pregnant mice to varying levels of caffeine, resulting in adverse effects on the offspring's health.
A recent study revisits the seven-point Heterosexual-Homosexual Rating Scale and its implications for understanding male bisexuality. The researchers argue that current studies often neglect culture's role in shaping sexual behavior, instead relying on a medical model. For future research, they suggest moving away from this lens, impro...
Researchers say that GPs could do more to help obese individuals avoid surgery by implementing early stage weight management programs and using anti-obesity drugs. Patients face a post-code lottery when seeking access to specialist care, highlighting the need for improved obesity management strategies.
A recent study published in the journal Risk Analysis found that eating one egg per day has a negligible impact on coronary heart disease (CHD) risk in healthy adults. The study suggests that lifestyle factors such as poor diet, smoking, and physical inactivity contribute significantly to CHD risk.
A team of researchers from VCU identified a new anti-tumor gene called SARI, which can inhibit the growth and survival of tumor cells by interfering with cancer cell molecules. The discovery highlights a previously unrecognized molecular pathway underlying the anti-tumor action of interferon.
A study published in Breastfeeding Medicine found that the benefits of breastfeeding outweigh the potential risks associated with infant exposure to environmental chemicals like dioxins. The authors advise healthcare providers to continue encouraging breastfeeding, despite some risks.
Researchers have developed a trans-splicing system that uses RNA to inactivate genes and improve efficiency in correcting RNA sequences. This approach enhances the likelihood of successful treatment outcomes for spinal muscular atrophy, a neurodegenerative disorder that affects 1 in 6,000 live births.
Researchers at Columbia University's Mailman School of Public Health found that subway-related fatalities are largely unintentional, with 47.2% due to accidents, and often linked to alcohol intoxication. Structural improvements and public safety messages can reduce the risk of such fatalities.
The Partition Decoupling Method (PDM) is a new mathematical tool that can unscramble the underlying structure of time-dependent, interrelated complex data. The researchers applied it to the equities market, revealing both known structures and patterns as well as new ones.
A recent study published in The Journal of Urology found that low-income men are diagnosed with more advanced prostate cancer due to inadequate access to screening services. This disparity is significant, as the study reveals that 19% of these men were diagnosed with metastatic cancer, compared to 4% in the general population.
A recent meta-analysis published in JAMA found that smoking is significantly associated with an increased risk for colorectal cancer (CRC) and death. The study analyzed data from nearly 40,000 new cases of CRC, indicating a 25% higher risk of CRC death among smokers compared to non-smokers.
The Comprehensive SDSU-UC San Diego Cancer Center Partnership aims to explain and eliminate cancer disparities in the San Diego region. The partnership will support research, education, and community outreach programs focused on minority populations.
Researchers found that quiet bison bulls sire more calves than their louder counterparts, challenging conventional wisdom on animal vocalizations. By monitoring 325 wild bison over two summers, the team discovered a correlation between lower volume and increased reproductive success.
Satellite data from NASA's Aura and Terra satellites shows a nearly 50% decline in nitrogen dioxide levels and a 20% drop in carbon monoxide levels during the 2008 Olympic pollution controls. The results demonstrate the effectiveness of air quality restrictions, but also highlight challenges in detecting sulfur dioxide due to its longe...
Researchers from USC and Cambridge have developed a method to track the activity of specific genes in real-time using a specially modified camera and computer vision techniques. This breakthrough has potential applications in various fields, including military, retail, and entertainment.
Scientists at the University of Edinburgh have discovered a link between cyclophilin A levels and liver damage following a paracetamol overdose. They hope to develop a treatment to block this protein's harmful actions, enabling early identification of high-risk patients.
Researchers from University of Alaska Fairbanks present research on planetary landscapes using computer models and satellite images. The team also explores new tools to support countries' claims to resources and collaborates with Google on K-12 outreach and education initiatives.
Researchers used DTI to estimate chronic effects of optic nerve inflammation three months in advance. DTI showed a correlation between damage and lower scores on visual health tests, indicating potential predictive information for MS flare-ups.
The Life Sciences Discovery Fund has awarded over $18 million in grants to four Washington State-based research organizations. These initiatives focus on advancing vaccine development, improving cardiac resuscitation technology, and delivering mental health and substance abuse services in rural communities. The awardees include Lawrenc...
This study measured contrast sensitivity in individuals with different levels of visual acuity, revealing stark differences in color frequency and brightness. The results showed that contrast sensitivity values increased significantly as visual acuity improved, particularly for spatial frequencies above 1 cpd.
Researchers Louis Putterman and David N. Weil introduce the World Migration Matrix, showing how ancestral origins explain most of the world's income inequality, with European roots accounting for 44% of current GDP differences.
A study published in JAMA found that a low-glycemic index diet resulted in greater improvements in glycemic control and reduced cardiovascular risk factors compared to a high-cereal fiber diet. The researchers found that participants on the low-glycemic index diet had lower hemoglobin A1c levels and improved lipid profiles.
Raw milk consumption has been linked to an average of 5.2 outbreaks per year in the US between 1993 and 2006, with pathogens such as Salmonella and E. coli being common culprits. Pasteurization remains the best way to reduce the risk of contamination, with no scientific evidence supporting the claims of raw milk advocates.
New report reveals rapid changes at Greenland and West Antarctic ice sheets, exceeding previous projections for sea level rise. Subtropical areas like the American West are likely to become more arid due to global warming, increasing the likelihood of severe droughts.
HIV can infect immune cells in a woman's vaginal tract through the skin, not just through breaks or lesions. The virus penetrates healthy genital skin to reach its targets within four hours.
A study published in Breastfeeding Medicine highlights the critical role of vitamin D in maintaining immune system function throughout life. Long-term vitamin D deficiency has been linked to various diseases, including multiple sclerosis, rheumatoid arthritis, type I diabetes, and cancer.
The Voices from the Fisheries project, led by NOAA's National Marine Fisheries Service, documents the human experience with the nation's coastal environments and living marine resources. The archive features oral histories from recreational and commercial fishermen, as well as communities and families that rely on them.
A Canadian study found colonoscopy is associated with lower death rates from colorectal cancer, but raises concerns about detection of lesions on the right side of the colon. Patients are urged to seek a qualified gastrointestinal endoscopist to perform a thorough colonoscopy.
A US death map shows that heat/drought and severe summer weather are leading causes of death, with the South and mountain west particularly vulnerable. The study highlights the importance of emergency management in reducing loss of life from natural hazards.
Researchers at Vanderbilt University Medical Center have discovered a functional link between the brain's reward and stress signaling circuits. Dopamine, the chief reward signal, works through corticotrophin-releasing factor (CRF) to increase activity in a brain region involved in addiction relapse.
Kansas State University engineers are creating an energy-harvesting radio that can transmit data wirelessly, eliminating the need for battery changes. The technology has potential applications in monitoring stress, temperature, and pressure on bridges and other structures.
The study confirms voriconazole's effectiveness in combating a wide range of fungal infections, including those caused by Candida species. It is also noted that voriconazole exhibits higher potency and spectrum activity compared to itraconazole against yeast species.
A team of researchers from the University of Arizona has discovered a new method for protein-DNA interaction, where proteins can identify specific sequences on DNA using indirect readout. This breakthrough has implications for the development of designer drugs and could lead to a better understanding of diseases.
The NPOESS Preparatory Project (NPP) successfully completed a comprehensive Mission Operations Readiness Review, assessing its operational readiness and progress to launch. The review determined that NPP's overall operations readiness is sound, with strengths and weaknesses identified but no major issues found.
A phase III trial found sorafenib to be effective in increasing overall survival by 6.5 months compared to 4.2 months in the placebo group, and prolonged time to progression and disease control rate. Sorafenib was generally well-tolerated with some side effects.
A meta-analysis of studies found that patients with diabetes diagnosed with cancer have a higher risk of death compared to those without diabetes. The study, published in JAMA, suggests that pre-existing diabetes is associated with an increased risk of all-cause death following cancer diagnosis across various cancer types.
Researchers discovered that phenazine molecules activate the transcription factor SoxR in Pseudomonas aeruginosa, influencing biofilm formation and gene expression. This finding suggests that tampering with phenazine trafficking could make antibiotics more effective against CF patients' infections.
USC researchers have developed a low-temperature process to print dense lattices of transparent nanotube transistors on flexible bases, enabling the creation of high-performance electronics. The devices can be used for applications such as affordable car windshield displays and ultra-thin, low-power e-paper displays.
Researchers identified genes that code for proteins controlling gene reading, revealing 'gene grammarians' linked to DNA structure. This discovery provides new insights into epigenetic control and environmental effects on the human genome.
Researchers at Queen's University found striking ecosystem changes in temperate lakes due to climate warming. Changes were observed decades later than in Arctic lakes, with relationships between lake algae and air temperature, ice-out records, and long-term changes.
A Rutgers College of Nursing faculty member is testing the effectiveness of soap opera-style cell phone videos to reduce HIV sexual risk behavior in young women. The videos, based on focus group discussions with urban women, aim to promote health awareness and change.
Researchers have identified broad-spectrum aptamers that can treat many subtypes of HIV-1 by inhibiting reverse transciptase. These synthetic molecules can reduce viral infectivity and block the normal action of RT enzyme.
Researchers at the University of Illinois Chicago have discovered compounds that show high antiparasitic activity against Leishmania parasite, which could potentially be modified to treat the disease. The new compounds are less toxic than miltefosine and can kill the parasite inside blood cells.
A study found that implementing evidence-based guidelines for nutritional support in ICUs led to better feeding practices, including earlier initiation of enteral nutrition, but did not reduce hospital mortality or length of stay. The change also resulted in lower incidence of clinically significant kidney dysfunction.
Researchers found that older adults remember fewer negative events than younger counterparts due to differences in brain activity. The study suggests that seniors' brains use thinking rather than feeling processes to store emotional memories, which may improve understanding of mental health issues like depression and anxiety.
Women experiencing intimate partner violence are more likely to prioritize their infant's health, highlighting the need for healthcare providers to screen for IPV. The study found that 60% of abused women sought health consultations for their infants, compared to 54% of non-abused women.
A new study at Rush University Medical Center aims to investigate the relationship between human breast milk and improved health outcomes for very low birth weight infants. The five-year study will follow 600 infants born to racially and economically diverse mothers, with a focus on the amount and duration of human milk feedings.
Researchers at the University of Illinois and Massachusetts have found a way to target a bacteria's evolutionary machinery, programming its own death. The synthetic antimicrobial depends on phosphoethanolamine lipids in bacterial membranes.
The University of Illinois Chicago's ImpacTeen project will study policy and environmental factors influencing youth behaviors related to nutrition, physical activity, obesity, and tobacco use. Researchers will assess state policies, school wellness programs, and community environments to inform effective policy and decision-making.
Three Alaska volcanoes erupted in midsummer 2008, with Cleveland, Okmok, and Kasatochi volcanoes making significant changes to the landscape. Researchers from the Alaska Volcano Observatory shared their findings on recent eruptions at the American Geophysical Union's fall meeting.
Researchers found that all active galactic nuclei have a similar physical structure, independent of the black hole's size. The observation constrains current ideas on how glow around black holes is produced, allowing for further study of these enigmatic objects.
University of Pittsburgh researchers have developed a natural, nontoxic method for biodegrading carbon nanotubes using the horseradish enzyme peroxidase. This finding could help address environmental and health concerns associated with the use of carbon nanotubes in various products.
Scientists have successfully resolved features of cells as small as 20-30 nanometers using Stochastic Optical Reconstruction Microscopy (STORM), a new 'super-resolution' fluorescence microscopy technique. This breakthrough allows for the visualization of cellular structures at the level where they work.
Bacteria's tiny magnetic crystals act as a navigational compass, guiding them through sediment to optimal feeding grounds. The discovery challenges previous research and provides fresh insights into evolution and biomagnetism.
A UCLA study found that low-income men are more likely to present with advanced prostate cancers, highlighting the need for increased access to screening services. The study also revealed that diagnosis rates for lower-risk cancers did not increase over time among IMPACT patients, unlike in more affluent populations.
MIT researchers, led by Chiang Mei, have developed a numerical simulation model that predicts wave forces on devices and motion of the device. The research aims to optimize energy capture and provide data for efficient conversion to electrical energy. The pilot-scale device will be integrated into a new breakwater in Portugal.
Research presented at the American Society for Cell Biology conference reveals a modular longevity network linking diet and metabolic genes to human cellular aging. Novel anti-aging small molecules have been identified, which can be used as research tools or potential pharmaceutical agents for age-related disorders.
Researchers at Arizona State University discovered a key survival circuit that allows Salmonella bacteria to overcome the body's defense mechanisms. The bacteria use a complex system of regulatory proteins and genes to adapt to changing environments, including nutrient starvation and antimicrobial peptides.
A study found that variations within Acinetobacter baumannii bacteria can affect its response to antibiotics, highlighting the need for targeted therapy in infectious disease. The analysis of six genomes revealed unique sets of genes among isolates, with some genes shared but others specific to different subsets.