A new study highlights the effectiveness of forest protected areas in slowing climate change by reducing deforestation and greenhouse gas emissions. The study estimates that protecting areas could prevent an estimated 100,000 square miles of deforestation through 2050, equivalent to 1/3 of the world's annual CO2 emissions.
Researchers have solved a 20-year-old astrophysical puzzle using gas dynamical simulations. Filamentary structures formed during the collapse of infalling gas absorb massive stars' radiation, shielding surrounding nebulae from heating.
Researchers at Johns Hopkins School of Medicine have discovered a potential new treatment using bone marrow stem cells to build new blood vessels in the upper leg. The treatment, which uses X-ray-visible microbubbles to deliver stem cells, was shown to dramatically improve the body's ability to form new blood vessels and provide a more...
A recent study found that new chemotherapy drugs for metastatic colorectal cancer can increase life expectancy by 6.8 months, but at a cost of $37,100 per patient. The cost-effectiveness of these treatments is disputed, with the study estimating a cost of $99,100 per quality-adjusted life year gained.
A new review found that advance emergency contraception provision does not decrease pregnancy rates despite increased use and faster use after unprotected sex. Women with access to emergency contraception had similar rates of unintended pregnancy as those without it.
Particle No. 30, named Orion and Sirius, have been identified as the most likely interstellar candidates discovered to date. The discovery was made by a team of researchers using non-destructive X-ray analysis techniques.
Scientists have unearthed a rare, 450-million-year-old fossil of an armor-plated creature, known as Plumulitid machaeridian, in downtown Ottawa. The discovery provides important evidence of how annelid worms evolved and sheds light on their unique body armor.
A new study found that older patients with stage III colon cancer are less likely to receive chemotherapy after surgery due to concerns about adverse events. However, the study discovered that when they do receive chemotherapy, it is less toxic and of shorter duration compared to younger patients, resulting in fewer adverse events.
LCZ696, a new dual-action drug, has been shown to provide significantly greater reductions in blood pressure than the established ARB valsartan. The drug's dual mechanism of action, blocking both angiotensin II and neprilysin, may offer superior benefits for treating hypertension and heart failure.
Tropical Cyclone Ului is a Category Three storm in the South Pacific Ocean, affecting the Solomon Islands and expected to turn west towards Australia. Meanwhile, Tropical Cyclone Tomas is weakening due to cooler sea surface temperatures and vertical wind shear, posing a threat to Fiji.
The researchers suggest establishing specific risk zones in urban areas to focus resources on preventing exotic pest invasions. Plant pests like the red imported fire ant cost the US $37.1 billion annually, with coastal states at greatest risk for invasion.
Research finds childhood maltreatment can lead to shorter telomeres, a marker of biological aging, and increased risk of age-related diseases. The study suggests early developmental experiences may have profound effects on biology, influencing cellular mechanisms that accelerate aging.
Researchers at USC identified retinoic acid, a derivative of vitamin A, as a critical regulator of the Second Heart Field's tissue formation and septation process. Disruptions in this pathway can result in serious congenital malformations of the heart.
Researchers have observed a warm core at the center of the Great Red Spot, with temperatures varying by up to 3 degrees compared to surrounding areas. This temperature difference affects wind velocities and cloud patterns in Jupiter's belts and zones.
A recent study found that dolphin tourism in Zanzibar is causing stress and exhaustion among bottlenose dolphins. The research highlights the need for regulation of the industry to minimize long-term negative impacts on the animals and their habitats.
Despite progress in cancer research, the disease remains a leading cause of death in the US. Advances in primary prevention, early detection, and treatment have improved outcomes for many cancers, but significant challenges remain, including the need for improved therapies.
The US Department of Agriculture has developed a new lentil variety called Essex, which boasts high seed yields and nitrogen-fixing properties. This development is expected to enhance the nutritional value of lentils for consumers while also improving soil fertility for subsequent wheat crops.
A phase II study found that stereotactic body radiation therapy (SBRT) effectively eliminated targeted tumors in patients with early-stage inoperable non-small cell lung cancer. The treatment resulted in a 97.6% primary tumor control rate at 3 years, outperforming conventional radiotherapy.
Researchers developed percutaneous soft tissue cryotherapy as an effective treatment for cancer that has metastasized in soft tissues and bones. The procedure resulted in an average of 77% tumor shrinkage in patients after 24 months, with preserved fibrous or collagenous structures promoting better healing.
Researchers at UAB found that Gardasil vaccine reduces the likelihood of HPV-related disease recurring after surgery by approximately 40 percent. This protection can provide crucial follow-up care and overall health planning for teens and women.
Three Society of Interventional Radiology members, John D. Fulco, Irvin F. Hawkins Jr., and David C. Levin, were awarded the society's Gold Medal for advancing interventional radiology and improving patient care.
The Bench to Bassinet Program aims to translate scientific discoveries into usable treatments for congenital heart disease. Researchers will study genetic data and heart development to provide a comprehensive picture of healthy and abnormal hearts, ultimately informing clinical practice.
A study by Amdam et al. found a positive correlation between honeybee associative learning performance and metabolic stress resilience, independent of social factors. The relationship suggests that central nervous system function and metabolic biology can be associated, providing insights into how to reduce human health disparities.
Radiofrequency ablation treatment destroys cancer locally, extending life for colon cancer patients. Average survival rate after RFA is 91% at one year, 66% at two years, and 41% at three years.
A new TB booster vaccine has been shown to improve resistance to tuberculosis in previously vaccinated adults, according to a study published by the American Thoracic Society.
Researchers successfully froze breast cancer in patients who refused surgery, with no localized treatment recurrences seen for up to five years and no significant complications noted. The study used image-guided, multiprobe cryotherapy, which provided safe and effective breast conservation with minimal discomfort.
Researchers from Mount Sinai School of Medicine identified potential heart problems in responders on-site at the World Trade Center collapse. They found impaired diastolic function, particularly in middle-aged men, which can lead to shortness of breath and heart failure.
A new pilot study led by UC and VA researchers is evaluating the functional significance of blockages in cardiac blood vessels. Using a formula derived from fluid mechanics principles, they aim to provide more accurate assessments of vessel blockages.
A new study found that obese heart failure patients have a significantly lower risk of sudden cardiac death compared to non-obese patients. The researchers analyzed data from 1,231 patients with low ejection fraction and found a strong inverse relationship between BMI and the risk of sudden cardiac death.
Researchers at Cedars-Sinai Medical Center have identified over 30 regions of the genome linked to ulcerative colitis, providing insights into the disease's causes and potential new therapies. This understanding may lead to more effective treatments tailored to individual patients' needs.
The new clinical guidelines offer recommendations for the diagnosis and management of thoracic aortic disease, highlighting the importance of early detection and treatment. Risk factors include high blood pressure, age, male gender, and genetic conditions that weaken connective tissue.
A review of gene expression-based prognostic signatures in lung cancer found little evidence to support their clinical application. The studies lacked statistical validation, reproducibility, and clear medical utility, highlighting serious problems with the design and analysis.
Researchers at the University of Cincinnati have created a semi-tropical frog-inspired foam that converts solar energy into sugars. The foam, which uses plant, bacterial, and fungal enzymes, can produce fuels like ethanol without diverting energy to other functions.
The World Wildlife Fund's latest report reveals that the China-Myanmar border is allowing illegal wildlife trade, with vendors selling tiger bone wine and other products to buyers in China. The report highlights the need for effective enforcement of laws to end all illegal trade.
Researchers at the University of Rochester have discovered a way to make liquid flow vertically upward along a silicon surface, overcoming gravity's pull. By carving intricate patterns in silicon with high-powered laser bursts, they increase the attraction that water molecules feel toward it, allowing the liquid to rise on its own accord.
Researchers emphasize the need for improved technologies to detect circulating tumor cells (CTC's) due to their metastasizing ability. The current standardized test, CellSearch, has limitations and can only count CTC's, making it essential to explore additional technologies.
Research from Queen's University Belfast reveals that Ireland's ethnic minorities want more autonomy to express their cultures in future events. The study highlights the differences in experiences between those born in Ireland and new ethnic minority communities.
Peter K. Vogt's groundbreaking discovery of src, the first cancer-causing gene, has profoundly changed biology and medicine. His research has yielded several important targets in cancer therapy.
Researchers have discovered that two cell protection programs work together to prevent tumors, with the Myc oncogene triggering apoptosis and senescence. The findings suggest a new approach to treating cancer by inducing senescence through chemotherapy.
Actin filaments, key components of cell structure, display snakelike movement but are limited by crowding; researchers created a novel approach to track individual filament motion, revealing their movement is more like a conga line on a crowded dance floor
Magnetic resonance-guided focal therapy offers a new treatment choice for patients with recurrent prostate cancer, providing an alternative to radiation therapy and hormone manipulation. The procedure involves tailored treatment modality and duration based on lesion size and location, preserving sexual and urinary function.
A novel 'medical home' program at UCLA significantly reduced emergency room visits among participating families, with a 55% decrease in ER visits. The program's effectiveness was attributed to continuous, accessible outpatient care and coordinated care coordination.
Researchers at Caltech and UCSD discovered a way to induce natural reproductive behavior in medicinal leeches by injecting a specific hormone, hirudotocin. The hormone mimics the action of human hormones vasopressin and oxytocin in regulating mating behavior.
A new Cochrane Systematic Review suggests that stomach wrap operations are more effective in reducing symptoms of severe acid reflux than acid suppression tablets. The study found significant improvement in symptoms shortly after surgery compared to drug treatment.
NASA scientists found a significant increase in UV radiation over the past three decades, particularly in mid-and-high latitudes, attributed to declining ozone levels and increased cloudiness in the southern hemisphere. Despite this, UV levels have stabilized since the mid-1990s, with some areas seeing minimal changes.
A study found that case management in the National Breast and Cervical Cancer Early Detection Program reduced delays in diagnosis among low-income women by 45% between 1998 and 2007. Free treatment also showed no significant impact on diagnostic or treatment delays.
The Infectious Diseases Society of America calls for the development of 10 new antibiotics by 2020 due to rising antibiotic-resistant bacterial infections. The urgency is underscored by heartbreaking patient stories of those who have suffered and died from these infections.
A RAND-UCLA study found that patients with stage III colon cancer receive chemotherapy at a lower rate than recommended, with older patients being less likely to receive the strongest treatment. Despite this, older patients do not experience more adverse outcomes compared to younger patients.
A group of 27 scientists and conservationists warn that allowing ivory sales in Tanzania and Zambia could lead to increased poaching and threaten the recovery of African elephants. The countries have not met the convention's standards for taking part in legal ivory trade, and China and Japan are major consumers of illegal ivory.
Scientists at Carnegie Institution used high-pressure techniques to study the connection between density and electronic structure of a cerium-aluminum metallic glass, opening up new possibilities for developing metallic glasses. The research found that high pressure causes changes in properties such as volume or electronic behavior, re...
A University of Melbourne-led study links earlier butterfly emergence with regional human-induced climate change, revealing a causal link between increasing greenhouse gases and warming temperatures. The study found a 1.6-day shift in the mean emergence date for adults of the Common Brown butterfly over a 65-year period.
A major report by an international team of scientists and policy experts explores the social, economic, health and environmental impacts of the livestock industry. Key findings include the high greenhouse gas emissions from animal feed production and transport, which account for 18% of global emissions.
A content analysis found that media reports tend to focus on aggressive treatments and survival rates, neglecting discussions of death, palliative care, and adverse events. This study highlights the need for a more balanced approach in cancer news coverage.
This study investigates the impact of landscape position on biomass crop yield, finding that summit positions produce higher yields than flat areas. Corn stover yield is positively influenced by terrain slope, nitrogen, and soil darkness profile.
A new treatment using intra-arterial yttrium-90 microspheres has shown promising results in extending the lives of patients with hepatocellular carcinoma, particularly those with portal vein thrombosis. The treatment offers a minimally invasive option for patients who cannot undergo surgery.
A study found that household discussions about influenza prevention reduced the risk of secondary cases by 40%. Transmission was rapid, with half of cases occurring within three days and nearly 90% within one week.
Researchers from Miguel Hernández University identify cloves as the best natural antioxidant, due to high phenolic compound content and other properties. Cloves exhibit high antioxidant capacity and may have beneficial health effects.
A new study found that regular family mealtimes can help reduce separation anxiety and improve lung function in children with asthma. The researchers identified supportive interaction during mealtime as a key practice that increases a child's sense of security.
A 4m shark named Cosmopolitodus hastalis attacked an extinct dolphin species 2.8m long, causing severe damage and intense blood loss, researchers have found through forensic analysis of bite marks on the skeleton.
A clinical trial has shown that stereotactic body radiation therapy (SBRT) can eliminate primary tumors in nearly 98% of lung cancer patients. The treatment is fast, convenient and effective, with more than half of patients alive three years after diagnosis.
A Kansas State University study found that Helicobacter infections dramatically change the immune system's response to intestinal damage in trauma patients. This means that therapeutics aimed at stopping complement activation may not be effective for infected individuals, requiring different treatment approaches.
Primary care physicians recognize their responsibility in addressing obesity, yet lack necessary resources and training. The STOP Obesity Alliance survey highlights the need for healthcare professionals to receive training on weight-related issues, as well as providing patients with effective weight loss methods and strategies.
A study found that increasing the radiation dose for prostate cancer treatment did not lead to increased long-term side effects. Patients reported minimal distress from chronic symptoms, with many considering their quality of life 'normal' despite experiencing symptoms. The results suggest that patients may adapt to treatment and exper...
Researchers created a miniature river delta to study flooding patterns and develop a mathematical model capable of predicting catastrophic floods. The model was able to reproduce the statistical behavior of flooding by analyzing how long it takes to fill a channel with sediment, allowing for enhanced flood hazard prediction.
Scientists argue that anti-obesity drugs fail to address the root causes of obesity, which include motivational and behavioural factors. Research highlights the need for treatments that target the desire to eat, enjoyment of eating, fullness, and satisfaction.
A study found that new chemotherapy agents for metastatic colorectal cancer improve life expectancy by 6.8 months and increase lifetime medical costs by $37,100, equating to a cost of $66,200 per year of life gained.
A systematic review of 51 studies found antidepressants to be more effective than placebos in treating depression in physically ill patients. However, adverse effects such as sexual dysfunction and dry mouth were more commonly experienced by those receiving treatment.
A study found significant disparities in palliative care services across US cancer centers, with NCI-designated centers offering more comprehensive programs. The researchers identified barriers such as poor reimbursement and limited institutional resources hindering the delivery of high-quality palliative care.
Researchers have developed a novel interventional radiology treatment called nanoembolization, which uses gold nanoparticles to kill cancer cells. The treatment involves injecting the nanoparticles directly into tumors via an artery near the tumor site, bypassing scar tissue that blocks traditional treatments.
A smoking ban in New Zealand led to a 9% decrease in heart attack admissions among men aged 55-74 who had never smoked. Heart attacks fell by an average of 5% for people aged 30 and over after the ban, with benefits seen among ex-smokers and those in affluent neighborhoods.
Researchers Sang-Wook Cheong and Daniel Friedan receive American Physical Society prizes for their work on multiferroics and critical phenomena, respectively. Their discoveries have potential applications in semiconductor electronics, solar cells, and data storage.
Members of the Society of Interventional Radiology have filed over 2,400 patents and patent applications, pioneering modern medicine with devices and drugs. These innovations continue to shape and change the medical landscape, enabling interventional radiologists to treat patients without invasive surgery.
A new study found that smoking, but not past alcohol abuse, may impair mental function in women. Women who had ever been addicted to smoking scored lower on cognitive tests than their nonsmoking counterparts.
Stereotactic body radiation therapy (SBRT) shows high rates of primary tumor control and improved survival for patients with inoperable non-small cell lung cancer. The study's findings suggest that SBRT provides more than double the rate of primary tumor control compared to conventional radiotherapy.
Researchers at UCSF have discovered a key cellular defect that can lead to cancer susceptibility and are developing a new generation of inhibitory drugs to correct this defect. The new drug, PP242, has shown promising results in clinical trials and holds promise for treating various types of cancer.
A new model of the human body is being developed to improve radiation treatment accuracy for cancer patients, especially children. The research found that children have a greater percentage of total mineral bone in direct contact with sensitive bone marrow than do adults, leading to higher radiation doses and increased cancer risk.