A new analysis reveals that regular mammograms before age 50 significantly reduce breast cancer deaths in younger women. The study analyzed data from invasive breast cancers diagnosed between 1990 and 1999, finding that only 13% of cases occurred in women aged 70 or older.
The symposium aims to improve science-informed hazard prediction and risk assessment for pesticides and other agrochemicals. New approaches, including high-throughput methods, are being developed to reduce the use of animal testing and increase transparency in risk assessments.
NASA's HS3 mission investigated Tropical Storm Gabrielle's remnants near the Bahamas, while Aqua satellite data showed strong thunderstorms strengthening Humberto. Humberto is expected to continue strengthening and potentially become a hurricane.
Researchers created an animal model of adult-onset spinal muscular atrophy (SMA) using the TSUNAMI method, providing insight into disease progression and potential treatment. The study revealed that only moderate levels of SMN protein are needed in the adult nervous system for normal function.
Researchers at the University of Texas Health Science Center at San Antonio suggest that cell transplants could be a promising treatment for schizophrenia. By transplanting interneurons into the brain, they were able to restore normal function in rats with impaired dopamine systems, which are involved in cognition, movement, and emotions.
Multiple myeloma patients experience persistent disease recurrence due to intrinsic resistance in immature progenitor cells. Researchers identify a cancer cell maturation hierarchy and propose targeting both progenitor cells and plasma cells to develop new treatments.
Researchers found that permanent parasites that are normally a social burden protect their hosts against greater evils. The guest ants rise to defend their hosts against mobile raiders, greatly decreasing the probability of a raid. This co-evolutionary process maintains lesser evils when it helps prevent greater harm.
High crop species richness suppresses pest populations, indicating a positive relationship between crop diversity and biological control. The study found that crop diversity enhances the natural enemy-pest ratio, leading to improved pest control on EMS using microlandscape.
Researchers have discovered disturbing climate trends near Earth's surface, highlighting the impact of aerosols on cloud formation and human health. The study, led by Kimberly Prather and Vicki Grassian, aims to improve our understanding of aerosol chemistry and its effects on the environment.
The Center for Brains, Minds and Machines aims to foster collaboration across disciplines to understand intelligence and develop intelligent machines. The center will focus on four main research themes: integrating intelligence, circuits for intelligence, developing intelligence in children, and social intelligence.
Researchers found that increased fatty acid levels suppress incretin-associated insulin release, highlighting the importance of β cell connectivity. Maintaining β cell connectivity may be a useful strategy for restoring glucose balance in type 2 diabetes.
Obese teenagers who lose weight are at risk of developing eating disorders such as anorexia nervosa and bulimia nervosa. Early intervention is crucial for a good prognosis, but these adolescents often go undiagnosed due to positive provider perceptions of weight loss.
Researchers at Harvard University developed a programmable DNA glue that directs tiny gel bricks to self-assemble into complex structures. The method could help solve tissue engineering challenges by creating injectable components that self-assemble into biocompatible scaffolds.
Researchers at the University of Sheffield have developed a new method for sourcing obsidian artefacts that takes only 10 seconds, dozens of times faster than current methods. The handheld instrument uses portable X-ray fluorescence (pXRF) and enables archaeologists to identify origins in the field.
A University of Adelaide study finds that Aboriginal populations and climate change were more likely responsible for the extinction of Tasmanian tigers and devils on the mainland. The research used complex models to recreate the dynamic interaction between dingoes, climate, and human populations.
Researchers watched genes move together in response to environmental changes, a discovery that could improve understanding of gene expression and its impact on nature. The technique allows scientists to monitor a gene in whole, living organisms, opening up new avenues for research.
Rice University's Multi-Robot Systems Laboratory researchers gather data from online game SwarmControl.net to develop new control algorithms for robotic swarms. They demonstrate complex behaviors with simple commands, showcasing potential for massive populations of robots to perform coordinated tasks.
University of Utah engineers developed a wireless sensor network that can detect falls without wearing devices. The system uses radio-frequency sensors to track a person's location and distinguish between falls and benign activities.
Researchers found combined transplantation of astrocytes and decorin promotes axonal regeneration and growth, inhibiting astrocyte proliferation and glial scar formation. This therapy offers a potential new approach for spinal cord injury repair.
The EMBO Meeting 2013 conference will feature keynote lectures by prominent scientists, including Kai Simons, Hans Clevers, Sir Michael Stratton, Peter Hegemann, and Georg Nagel. The scientific programme will include sessions on stem cells, cancer genomics, optogenetics, and the search for life beyond Earth.
Researchers at Massachusetts General Hospital identify fibroblast growth factor 18 (FGF18) as a predictive marker for poor overall survival in ovarian cancer patients. Overexpression of the gene encoding FGF18 was associated with enhanced tumor blood vessel formation and expression of cancer-promoting cytokines.
A new study by George Washington University researchers finds no evidence that primary care physicians deliver less care to low-income and vulnerable patients. Despite critics' claims of substandard care, the study analyzed data from over 31,000 visits and found comparable care for all patients regardless of insurance status.
Researchers have identified compounds found on human skin that impede mosquitoes' ability to detect their victims, providing a promising new approach to preventing mosquito bites. These substances, including lactic acid and 1-methylpiperzine, are already used in various medicines and products.
Researchers tracked 800-foot-high waves in the Samoan Passage, a key bottleneck for ocean circulation. The waves produce mixing 1,000-10,000 times that of surrounding slow-moving water.
The Indianapolis Motor Speedway's asphalt pavement recipe has potential to improve the smoothness, durability, and safety of roads for ordinary speeds. The surface's stiffness and ability to resist tire deflections also play a crucial role in determining fuel economy.
Researchers developed a method to extract and analyze lipid-soluble metabolites from human mesenchymal stem cells using MRI spectroscopy. The technique provides valuable insights into the metabolic characteristics of MSCs, which is essential for optimizing detection efficiency while minimizing cell usage.
A study by Jason M. Glanz and colleagues found that undervaccination with the DTaP vaccine increases the risk of pertussis in children aged 3-36 months. The research involved 72 cases of pertussis and 288 controls, showing that undervaccinated children were 18.56 times more likely to contract the disease than their vaccinated peers.
The Rim Fire has burned over 385 square miles, 80% containment achieved, but low humidity threatens growth. Spot fires remain a concern, with firefighters patrolling to mop up and monitor lines.
Researchers at Ohio State University have developed a new kind of ultraviolet LED that emits light at specific wavelengths, making it suitable for commercial applications such as chemical detection, disinfection, and UV curing. The device runs on lower voltages than existing methods, making it more compact and potentially cost-effective.
A team of environmental engineers at the University of Texas at Arlington has received a grant to study the feasibility of landfill gas-to-energy in Ghana. The project aims to adapt a sensor system to boost methane production and create an alternative energy source.
The study highlights the importance of autophagic and lysosomal activity in ischemic neurons, providing nutrition and energy for their survival. Upregulating cell autophagy or inhibiting autophagy may help eliminate abnormal components in cells after ischemic brain injury.
A new University of Michigan study reveals that incoming Medicaid enrollees may be younger, whiter, and healthier than current beneficiaries. These individuals are more likely to be smokers and heavy drinkers. Overall, the expansion could bring in a new, healthier group with different demographic characteristics.
A US-funded national smoking cessation campaign, 'Tips from former smokers,' helped at least 100,000 smokers quit smoking. The campaign, which ran from March to June 2012, saw a 12% relative increase in smokers trying to quit during the campaign period.
A study by Stanford University researchers found that grid-scale batteries make sense for storing surplus solar energy, but not for wind. This is because the energetic cost of storing wind-generated electricity is lower than curtailment, making it more energetically efficient to shut down wind turbines.
People with severe asthma are less likely to respond to corticosteroid treatment, even when taking high doses. Researchers found that 55% of adults with severe asthma showed greater airway obstruction despite regular oral corticosteroids. The study aims to develop personalized medicine for individual patients with asthma.
A Finnish population-based study found that hypertensive smoking women have an exceptionally high risk of a fatal brain bleeding, with a rate 20 times higher than never-smoking men. The study identified new risk factors for Subarachnoid Haemorrhage (SAH), including previous myocardial infarction and elevated cholesterol levels in men.
Researchers at the University of Pennsylvania have created a new mechanism for extracting energy from light, increasing efficiency by 3-10 times compared to conventional methods. This breakthrough could lead to more efficient solar cells and optoelectronic devices.
A team of University of Montreal and McGill researchers has developed a new method to link signaling molecules to target regulators of cell division. This method could provide valuable insights into the processes underlying cell division and potentially reveal new targets for cancer treatment.
A study found that one-third of Walgreens vaccinations are administered during off-clinic hours, particularly among younger, healthy adults. This shift in vaccination access could measurably increase immunization rates in the US. Additionally, a new study suggests that eligible Medicaid beneficiaries under the Patient Protection and Af...
A study published in Health Affairs found that over 85,000 minimally injured patients were sent to major trauma hospitals despite not needing them, resulting in excessive costs. The study suggests that early decisions in the healthcare process can lead to higher costs downstream.
Researchers at Michigan State University have developed a bomb-detecting laser that can identify micro traces of explosive chemicals on clothing and luggage. The low-energy laser uses two pulses to detect chemical frequencies, providing excellent sensitivity and robust performance on virtually all surfaces.
A new therapy has shown promising results in slowing the onset and progression of Lou Gehrig's disease, increasing survival rates by up to 39% in animal models. The treatment targets the SOD1 gene, which is mutated in some cases of familial ALS, and was administered via non-invasive delivery.
The Center for Brains, Minds and Machines (CBMM) will focus on understanding human intelligence from multiple perspectives. The center aims to develop a computational understanding of intelligence through research in vision, language, motor skills, neurobiology, electrical engineering, and more.
A team of researchers at Rensselaer Polytechnic Institute is exploring a novel two-stage approach to harnessing petabyte data, combining cloud computing with precise computational systems. They aim to develop algorithms and methods for extracting knowledge from massive amounts of data.
A recent study published in Obstetrics & Gynecology found that birth defects and poor fetal growth are the most common risk factors for cerebral palsy and infant death. The research suggests that these risk factors, rather than asphyxial birth events, may contribute to the development of cerebral palsy and infant mortality.
Researchers at the University of California, Davis, are studying complex networked systems, from nanomachines to nation-states, to find ways to intervene in networks to better control them or prevent catastrophic cascading breakdowns.
Biologists have discovered that a part of the Southern Hemisphere humpback whale population spends its entire winter in Antarctic waters. The whales use ice-free areas to survive the harsh winter months.
A study found that sleep apnea severity can independently predict melanoma aggressiveness, with more severe cases showing faster tumor growth and deeper invasion. Researchers hope this link may lead to new therapeutic possibilities for people with both conditions.
Scientists have developed a high-speed imaging technique with single-neuron resolution that can record the activity of 70% of nerve cells in a worm's head. This breakthrough allows for detailed maps of how neurons are wired up in the brain and information on how networks interact in real time.
A study found UK commercial baby foods lack essential nutrients, being predominantly sweet and similar in energy content to breast milk. They are often introduced too early, conflicting with government recommendations for exclusive breastfeeding until six months.
Researchers at University of Texas at Dallas discovered a correlation between frequent discussions of antisocial behaviors and engagement in such behaviors among adolescents. The study found that even brief exchanges about rule-breaking, illicit substance use, or physical aggression can predict deviant behavior.
Young people have difficulty learning from bad news, but are more likely to adapt to good news; campaigns targeting them should focus on positive benefits instead of risks
Researchers at the University of Pittsburgh have developed a new computational tool for the eButton health monitor, which can now extract food from images and estimate portion sizes with an average error of only 3.69%. The device uses a geometric-shape library to remove background images and measure volume by projecting and fitting sel...
Prostratin and bryostatin show promise as effective treatments for HIV/AIDS, Alzheimer's disease, and resistant cancer. Prostratin flushes out HIV from its cellular sanctuaries, while analogs of bryostatin are up to 1,000-fold more potent in doing so.
The World Heart Federation calls on countries worldwide to set a target year to reduce population smoking levels to 5% or below and implement measures in the international tobacco control treaty. Finland, New Zealand, and Scotland have announced target years of 2030, 2025, and 2034 respectively.
Researchers have identified fibroblast growth factor 18 (FGF18) as a predictive marker for poor overall survival in ovarian cancer patients. The study found that overexpression of the FGF18 gene is associated with enhanced tumor blood vessel formation and expression of cancer-promoting cytokines.
Researchers developed a mathematical program to analyze spoken words and enhance sounds that help listeners understand speech in loud situations. The manipulated speech was found to be easier to understand than natural speech, with improvements equivalent to lowering noise by five decibels.
The American Chemical Society is hosting a symposium on the health benefits of polyphenols in plant-based foods, including dark chocolate, coffee, and nuts. Researchers will present their findings on the antioxidant properties of polyphenols and their potential role in reducing cardiovascular disease and certain forms of cancer.
A large international study has found that the drug tiotropium can be delivered safely and effectively to people with COPD using either a mist or traditional dry powder inhaler. The study showed no significant difference in the incidence of major cardiovascular events or risk of death between the two groups.
The American Chemical Society has inducted scientists from DuPont, Merck & Co., Inc., Pfizer, and Vertex into its Heroes of Chemistry program. These innovators have developed groundbreaking products that protect the global food supply, treat HIV-1 infection, and provide personalized medicine for lung cancer and cystic fibrosis patients.