Researchers use a new technique to analyze rainfall trends, finding systematic patterns in heavy and light rain, but no consistent trend in moderate rain. The study resolves the challenge of detecting long-term global rainfall trends, providing insight into climate change's impact on weather events.
Researchers found that hyaluronic acid injections induce type 1 collagen production in photo-damaged skin, suggesting potential benefits for facial skin as well. This mechanism may involve mechanical stretching of fibroblasts, stimulating growth factors and inhibiting collagen breakdown.
A new study found that folic acid supplements can substantially reduce the risk of isolated cleft lip with or without cleft palate in babies. Researchers discovered that taking 0.4 milligrams of folic acid per day during pregnancy can lower this risk by one-third.
Researchers analyzed interaction between individual raindrops and soil particles, dispelling a 50-year-old misconception about how rain-splash transport works. The study provides a theoretical model for the transfer of momentum carried by raindrops to sand grains.
A new study published in The Lancet found that folic acid supplementation can improve memory and information processing speed in older adults. Researchers randomly assigned participants to receive either 800 micrograms of folic acid daily or a placebo for 3 years, with significant improvements observed in those receiving the supplement.
A new study published in Annals of Internal Medicine found that men with high blood pressure can safely consume one or two drinks per day without increasing their risk of heart attack. Additionally, a three-year study discovered that daily folic acid supplementation slowed the decline in hearing for low-frequency sounds among older adu...
Researchers found that high-normal uric acid levels are linked to lower scores in tests of mental processing speed, verbal memory, and working memory. Older adults with high-normal uric acid levels may experience slow information processing and failures in verbal and working memory.
A long-term ecological study of stream chemistry in Appalachians shows unexpected changes due to reduced sulfur emissions from acid rain. Researchers are seeing rising amounts of dissolved carbon dioxide in streams, which could impact the forest ecosystem and carbon balance.
A meta-analysis of 12 randomized clinical trials found that folic acid supplementation does not decrease the risk of coronary heart disease or stroke among people with a history of vascular disease. The study suggests that alternative strategies, such as smoking cessation and lipid reduction, are more effective in preventing cardiovasc...
Researchers discovered that biofilms in caves increase the rate of cave formation by using sulfur for energy, producing strong acid. Cave biofilms also provide food for various cave creatures and have similarities to dental biofilms and steel ship hull corrosion.
A recent study found that individuals with higher levels of docosahexaenoic acid (DHA) in their blood had a significantly lower risk of developing dementia and Alzheimer's disease. DHA is an omega-3 polyunsaturated fatty acid found in fish, which appears to affect dementia risk and proper functioning of the central nervous system.
A British drug discovery company is teaming up with a Brazilian firm to search for new medicines in the Amazonian and Atlantic rain forests. The partnership aims to combat diseases such as tuberculosis, avian flu, and tropical illnesses like hepatitis C and Chagas disease.
Researchers have characterized the genome sequences of nine different lactic acid-producing bacteria, encoding diverse genes for efficient carbon and nitrogen acquisition. This study will increase understanding of their role in industrial food production, leading to optimized production schemes and new bioproducts.
A recent study found that acid exposure triggers an enzyme, NOX5-S, leading to increased hydrogen peroxide production and DNA damage in cells. This process may contribute to the development of esophageal cancer.
Researchers at Iowa State University successfully developed a new soybean oil with elevated oleic acid content, eliminating the need for hydrogenation and reducing trans fats. The oil has been adopted by the food industry for various products, including cereal, energy bars, and non-dairy creamers.
A study by UCLA physicists reveals a connection between water vapor in the atmosphere and intense rainfall, using statistical properties similar to those found in magnets. This finding may lead to more accurate climate models and improved precipitation prediction under global warming.
The University of Warwick is launching a butterfly farming project in Guyana to preserve the local rainforest. The project aims to enhance the livelihoods of indigenous communities by developing a low-tech butterfly farming industry, which will also conserve the rainforest habitat.
Studies have shown that glycerrhetinic acid and glycerrhizic acid, found in liquorice, preferentially accumulate in the liver and can target tumors effectively. This could lead to improved treatment outcomes with reduced toxic effects on other parts of the body.
A recent study by Cornell University researchers found that acid rain is causing a decline in sugar maple trees due to its acidic effects on the soil. The study used a test plot to replicate favorable soil conditions prior to industrial pollution and found that sugar maples rebounded dramatically when calcium levels were restored.
Researchers at Mayo Clinic have found a significant association between acid reflux and esophageal cancer, with patients who experience acid reflux having a 30- to 125-fold increased risk of developing esophageal cancer. The study also discovered susceptibility genes in familial Barrett's esophagus and esophageal cancer.
A 12-month study showed that NEXIUM maintained normal acid production levels in most patients with Zollinger-Ellison syndrome. Most participants controlled their acid output after just 10 days, and no ulcers or erosive esophagitis were observed at the end of the year.
A new study found that patients with healed erosive esophagitis had better acid control and lower heartburn symptom scores compared to those who did not heal. The study suggests that controlling gastric acid levels is key to healing erosive esophagitis.
By analyzing cloud height and rainfall patterns, NASA scientists can estimate whether a hurricane's surface winds will strengthen or weaken. Rainfall from clouds extending up to 9 miles high indicates stronger winds.
A recent study found that COX-2 and LXA4 play a crucial role in the resolution of acid-induced lung injury. The cellular inflammatory regulators were shown to induce proliferation of basal airway epithelial cells and reduce inflammation, promoting restoration of the damaged layer of cells.
Researchers have found that lactic acid is not a waste product, but rather a link between anaerobic and aerobic metabolism. Efficient use of lactic acid enables athletes to generate more energy from their body's fuel sources, reducing fatigue and improving performance.
Researchers found that salmon can thrive on diets with up to 75% canola oil, meeting essential omega-3 fatty acid needs. This shift reduces contaminant accumulation and increases cost-effectiveness in aquaculture.
Researchers found that omega-3 fatty acids docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA) inhibited the growth of liver cancer cells, whereas omega-6 fatty acid arachidonic acid (AA) had no effect. The compounds induced apoptosis and decreased beta-catenin levels, which are involved in tumor progression.
Researchers analyzed the fatty acid composition of Blue Morpho butterflies and their larvae to discover that the transformation from larva to butterfly drastically reduces total fatty acid content. This significant loss in body fat may be essential for the health and survival of the butterfly during metamorphosis.
Human activities are disrupting the balance of diseases in oceans, causing harm to sea lions, marine mammals, and humans. Coral diseases, linked to sugars from sewage and run-off, are also on the rise, threatening coral reefs.
Researchers found that rain gardens significantly reduced concentrations of nitrates, ammonias, phosphorous and other pollutants reaching storm drains. Design tweaks allowed bacteria in the soil to convert harmful nitrates into nitrogen gas, preventing them from entering groundwater.
Research suggests that iron and folic acid supplementation may not benefit all children, particularly those without iron deficiency. However, it may still be beneficial for young children in low-malaria transmission areas due to its role in motor and cognitive development.
Researchers discovered that nicotinic acid activates GPR109A on fat cells to lower lipid levels, but on immune cells in the skin, it triggers flushing responses. This study supports the hypothesis that immune cells are a primary source of arachidonic acid and prostaglandins causing hot flashes.
A new variant of retinoic acid receptor beta has been discovered, which may play a role in vitamin A resistance in lung cancer. The variant, RAR-beta-1', was found to be expressed in normal lung cells and sensitive to retinoic acid, but not in resistant or lung cancer cells.
A new study reveals that warmer oceans and atmosphere will cause more intense precipitation worldwide, especially in tropical regions. Heavier rain will fall in areas such as North America, Europe, Asia, and Australia, while the Mediterranean and US Southwest may experience decreased average precipitation due to longer dry periods.
The study found that a hormone called fibroblast growth factor 15 (FGF15) limits the production of bile acid by the liver. FGF15 is produced in response to high levels of bile acid, triggering its secretion and regulating the body's digestive processes.
Despite nationwide efforts, only two-thirds of women ages 18-45 are taking folic acid supplements daily. The March of Dimes calls for increased grain fortification and multivitamin use to reduce neural tube defects.
A new weather model, ARW, uses high-resolution data to predict hurricane intensity and location of fine-scale rain bands. This enables better warning systems for floods, power outages, and road blockage.
Researchers found that a natural product of vitamin A can regulate immunity and enhance vaccine response when combined with PIC. The combination resulted in a four to seven times better immune response compared to individual treatments.
A new study finds that adequate daily folic acid intake before pregnancy can reduce neural tube defects (NTDs) by up to 70%. The March of Dimes advocates for increased folic acid fortification in grain foods, particularly among Hispanic populations.
Researchers have identified two genes that enable P. falciparum parasites to switch from sugar-dependent to sugar-independent invasion of red blood cells. The PfRh4 gene is required for this switching mechanism, which provides the parasite with adaptability in the face of receptor changes and immune system responses.
Researchers discovered a gene, PfRh4, that enables P. falciparum parasites to switch between two invasion pathways, increasing their adaptability in the face of immune responses and host changes. This finding has important implications for the design of anti-malaria vaccines.
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.
Researchers found that volcanic aerosol particles and sulfuric acid reduce methane production in wetlands, leading to a cooling effect. This mechanism may have played a role in past climate changes, with potential impacts on modern Earth's atmosphere.
Researchers discovered that omega-3 fatty acids are not linked to depression as previously thought, but rather increased arachidonic acid levels in the brain may be responsible. Omega-6 fatty acid intake could also play a role in controlling depression.
A study found that an ancient enzyme, GCN2 kinase, plays a crucial role in guiding healthy eating behavior in mammals. The enzyme detects changes in blood amino acid levels and triggers a behavioral response to limit consumption of imbalanced food.
A recent study published in PLOS Medicine found that uric acid levels are unlikely to be a major determinant of coronary heart disease. The research analyzed data from over 9,400 cases of CHD and 155,000 controls, concluding that improving diet, losing weight, and controlling blood pressure may help reduce the risk of CHD.
A recent study found that acid rain can severely degrade forest soils, leading to poor tree growth rates and potentially high mortality rates. The research, conducted near St. Petersburg, Russia, tracked tree growth for the first time with changes in soil from acid rain, highlighting the need for recovery strategies beyond surface waters.
Researchers found that patients given folic acid and vitamin B12 had a 38% decrease in plasma homocysteine levels, while the placebo group experienced a 31% increase. This combination therapy prevented hip fractures in stroke patients despite frequent falls, attributed to osteoporosis.
Researchers at Thomas Jefferson University found that uric acid treatment can prevent inflammation and some damage in mice with spinal cord injuries. Uric acid protected spinal cord neurons from peroxynitrite-related damage, allowing mice to recover motor function faster and to a greater extent than those treated with saline.
US researchers found that oleic acid in olive oil suppresses the Her-2/neu oncogene, a key driver of aggressive breast cancer. The study suggests that dietary interventions based on oleic acid may delay or prevent drug resistance in patients with high levels of this gene.
Researchers identified mutations in the sialin protein, responsible for transporting sialic acid out of lysosomes. The study found that even milder forms of the disease involve reduced transport activity and potential therapeutic targets.
Carborane acids, discovered by researchers at the University of California - Riverside, show great promise in various applications. They are extremely strong, yet gentle, allowing chemists to study important molecules without destroying them. This property enables the carborane acids to add hydrogen ions to weakly basic molecules, maki...
Acid rain suppresses methane emissions from wetlands, but only for a short time. The effect of acid rain on methane emissions is more than enough to compensate for the expected increase due to climate change.
Researchers found that current use of all acid-suppressive drugs was associated with a 27% increase in the risk of pneumonia, particularly among those using proton pump inhibitors or H2-receptor antagonist drugs. The study highlights the need for rational prescribing practices to minimize potential complications.
The new UCI Environmental Molecular Science Institute will investigate how chemical reactions occur at the boundary between air and liquid droplets, affecting atmospheric pollution and climate change. Researchers will use theory, experiments, and computer modeling to gain new insights into smog formation and acid rain.
A recent study by Dr. Gene E. Likens and colleagues documents the neutralizing effects of calcium silicate on acidic streams at Hubbard Brook Experimental Forest. The research found that adding Wollastonite to the stream resulted in a long-lasting buffering effect, suppressing acidity for over four months.
A Canadian study found that fortifying foods with folic acid reduced the incidence of neural tube defects in babies from Newfoundland and Labrador by 70%. The blood folate levels of women and seniors also increased significantly, indicating a positive impact on fetal development.
Researchers have successfully synthesized the 22nd amino acid, L-pyrrolysine, and demonstrated its incorporation into new proteins within E. coli bacteria. The discovery explains how this amino acid is inserted into proteins inside living cells, following a traditional path that had been predicted by scientists.
The March of Dimes survey found that 49 percent of women who have been on low-carb diets in the past six months take a daily multivitamin containing folic acid. This increase suggests that women are becoming more aware of the importance of folic acid for preventing birth defects.
The TRMM satellite has provided new insights into rainfall patterns in tropical cyclones, revealing that heaviest rains fall within 50km of a storm's center. This study improves forecast accuracy and can help with the development of better weather forecasts.