ScienceDaily: All - March 13, 2025
Today's top research news
Blind to the burn: Misconceptions about skin cancer risk in the US
Experiencing five or more severe sunburns between the ages of 15 and 20 increases the risk of melanoma by 80% and nonmelanoma skin cancer by 68%. This study is among the few to examine the relationship between perceived cancer risk, concern about being diagnosed, confidence in health, sunburn history, and the prevalence of sun protection behaviors, all in relation to sociodemographic factors in U.S. adults. Findings reveal statistically significant associations between the number of sunburns and sociodemographic factors.
Routine asthma test more reliable in the morning and has seasonal effects, say doctors
A lung function test used to help diagnose asthma works better in the morning, becoming less reliable throughout the day, researchers have found. Using real world data from 1,600 patients, available through a database created for speeding up research and innovation, the team also found that its reliability differs significantly in winter compared to autumn.
Targeted alpha therapy: Breakthrough in treating refractory skin cancer
Metastatic melanoma is the most aggressive form of skin cancer. In an effort to achieve targeted therapy for metastatic melanoma, researchers recently developed a new radioactive drug that emits alpha particles. With their short range of emission and high energy, alpha particles are particularly promising for targeted therapies that require high energy release in the cancer tissue while minimizing the damage to nearby healthy tissues.
Mosquito pain receptors are less sensitive during extreme heat
Hotter temperatures may render natural insect repellents less effective against mosquitoes, according to a new study.
No need to wing it: Bat activity in winter analyzed
Winter in the South can bring about a sharp change in conditions that impact forests and their many inhabitants. However, new research finds that, despite these seasonal shifts, forest management efforts are supporting healthy bat populations.
New computer code could lead to simpler, less costly stellarators for fusion power
Physicists have created a new computer code that could speed up the design of the complicated magnets that shape the plasma in stellarators, making the systems simpler and more affordable to build.
Assessing pain, anxiety and other symptoms of nursing home residents unable to speak for themselves
As many as half of nursing home residents are cognitively impaired and may be unable to communicate symptoms such as pain or anxiety to those caring for them. Therefore, information needed for the evaluation of symptoms and subsequent treatment decisions typically does not reliably exist in nursing home electronic health records. A new paper reports on the novel adaptation of a commonly used symptom assessment instrument to more comprehensively acquire this difficult-to-obtain data with the ultimate goal of enabling knowledge-based expansion of palliative care services in nursing homes to address residents' symptoms.
Cities that conducted greenhouse gas emissions inventories moved needle toward reduction
Researchers gathered emissions data from hundreds of US cities that either conducted a greenhouse gas emissions inventory, or reported they employed sustainability staff. The cities that conducted an inventory showed a statistically significant reduction in emissions between 2010 and 2015, while those with sustainability staff did not. Little research had previously been done to gauge effects of such measures and show that addressing emissions is meaningful, researchers argue.
Promising new research shows potential to cure recurrent urinary tract infections
Researchers have studied a new method to deliver antibiotics, specifically gentamicin, directly into the bladder tissue to better treat UTIs. They did this by creating nanogels combined with a special peptide (a small protein) that helps the drug get inside the cells where the bacteria are hiding. The results demonstrate that this approach proved highly effective when tested in animal models with UTIs, eliminating over 90% of the bacteria from the bladder.
Lighting the way: How activated gold reveals drug movement in the body
Tracking targeted drug delivery is often a challenge due to limitations in the current imaging techniques. A recent study reports a breakthrough imaging technique that allows direct and highly sensitive tracking of gold nanoparticles (AuNPs) inside the body. This novel technique, which uses neutron activation of gold, could revolutionize cancer drug delivery by enabling real-time visualization of the gold nanoparticles without external tracers.
Gene related to human kidney disease linked to touch in sea anemones
A new article expands our understanding of sensory neurons in the tentacles of sea anemones, linking them to kidney disease in humans through a common gene.
Cells 'speed date' to find their neighbors when forming tissues
In developing hearts, cells shuffle around, bumping into each other to find their place, and the stakes are high: pairing with the wrong cell could mean the difference between a beating heart and one that falters. A study demonstrates how heart cells go about this 'matchmaking' process. The researchers model the intricate movements of these cells and predict how genetic variations could disrupt the heart development process in fruit flies.
Food insecurity today, heart disease tomorrow?
Struggling to afford food today could mean heart problems tomorrow. Young adults experiencing food insecurity have a 41% greater risk of developing heart disease in midlife, even after accounting for demographic and socioeconomic factors, according to a new study. Food insecurity -- struggling to get enough nutritious food to stay healthy -- affects one in eight households in the U.S. each year.
Hepatic stellate cells control liver function and regeneration
Until now, doctors knew hepatic stellate cells mainly as drivers of liver fibrosis. The actual functions of this cell type have hardly been studied to date. Researchers have now determined that hepatic stellate cells control liver metabolism as well as liver regeneration and size. The results of the study could contribute to new therapeutic approaches for liver diseases.
First operating system for quantum networks
Researchers have announced the creation of the first operating system designed for quantum networks: QNodeOS. The research marks a major step forward in transforming quantum networking from a theoretical concept to a practical technology that could revolutionize the future of the internet.
Want to preserve biodiversity? Go big
Large, undisturbed forests are better for harboring biodiversity than fragmented landscapes, according to recent research. Ecologists agree that habitat loss and the fragmentation of forests reduces biodiversity in the remaining fragments. But ecologists don't agree whether it's better to focus on preserving many smaller, fragmented tracts of land or larger, continuous landscapes. The study comes to a clear conclusion.
How climate change affects rain and floods
Climate change may lead to more precipitation and more intense floods. A new study shows that to understand the details of this relationship, it is important to distinguish between different types of rainfall and flood events -- namely, between short-term events that occur on a time scale of hours, and longer-term events that last several days. In each case, climate change has a different impact.
Bernt Grannas <bgg.jako@gmail.com>
9.22 (3 minuuttia sitten)
-> minä
New Quantum Gravity Theory.
https://grannasuniverse.wixsite.com/website/
Because it is now time in empty space goes pilotwaves cross the whole universe emediatele.And they build roads like Feynman diagrams. This roads exist for ewer because it is now time in empty space. Happenings and for ex.elektromagnetiks waves are coming with speed of light along this roads. So we can say the future has allready hapend.
Bernt Grannas
Finland