Michigan State University researchers discovered how bacteria flip a DNA switch to transform from harmless microbes to deadly insecticides. The bacteria, bioluminescent insect pathogens, reside in the intestines of worms and aid their survival, but can rapidly grow and produce toxins when the worms infest insects.
A study by Kansas State University researchers found that prescription drug warning labels often fail to attract attention, impairing the communication of critical safety information. The research highlights the need for an effective labeling standard to improve patient safety and reduce medication errors, particularly among older adults.
A study published in Cell reveals that follicular dendritic cells (FDCs) originate from perivascular precursor cells, which decorate blood vessel walls. This discovery sheds light on the development of lymphoid follicles and has implications for understanding chronic inflammatory conditions and prion infections.
Researchers create high-throughput flow-through optical microscope to classify rare breast cancer cells in blood samples, boasting a throughput of 100,000 cells per second. The technology demonstrates real-time identification of rare cancer cells with a record low false-positive rate.
A recent M-class flare from Sunspot 1515 caused a moderate radio blackout, affecting high- and low-frequency radio communication and GPS signals. The flare was classified as an M6.1, approximately half the size of weakest X-class flares.
A diabetes drug called metformin has been found to promote the growth of new brain cells and enhance spatial memory formation. The study's lead author suggests that the widely used medication may also offer cognitive benefits for people with Alzheimer's disease, independent of its effects on blood sugar control.
A new study by Utpal Dholakia at Rice University found that daily deals are becoming increasingly successful for businesses, with three-quarters reporting profits after seven or more deals. The study also reveals that newer and smaller businesses tend to perform better in the long term, with sustainability rates of up to 40%.
A new study at Duke University found that the temporal-parietal junction (TPJ) is responsible for processing information related to social interactions. The TPJ was active when subjects made decisions against human opponents, but not against computer opponents.
The Center for Cancer Support and Education in Arlington, Mass., will receive a $10,000 grant from ASTRO's Survivor Circle program to fund breast cancer, advanced cancer, and brain cancer support groups. The Center offers emotional support during treatment and recovery for patients and their family members.
A University of Louisville study reviewed medical literature to debunk fears about drive-thru flu clinics. The researchers found no evidence of fainting episodes or related auto accidents among over 50,000 vaccine recipients since the program's inception in 1995.
A new sensory substitution device called EyeMusic has been developed to assist the visually impaired in performing daily activities. The device uses pleasant musical tones and scales to convey visual information, allowing individuals to make fast and accurate movements without sight.
A groundbreaking study in evolutionary analysis in law reveals that chimpanzees, like humans, show the endowment effect, with behavior influenced by an object's immediate situational usefulness. The research provides evidence that this psychological trait likely evolved prior to the human split from other species.
Researchers at Georgia Institute of Technology developed a muscle-like actuator that can control camera systems, allowing robots to move more like humans. The technology has potential applications in MRI-guided surgery and robotic rehabilitation.
Scientists have identified proteins as the key to maintaining self-renewal in human epidermal progenitor cells and stem cells. The discovery highlights the importance of exosomes in regulating transcription factors, enabling cells to produce new skin cells throughout life.
Researchers have developed a robotic set of legs that models human walking in a biologically accurate manner, allowing for insights into the processes underlying walking in humans. The robot's neural architecture and sensory feedback pathways mimic those found in humans, enabling it to walk without balance.
Public health researcher Thomas W. Valente examines how social networks impact health behavior, highlighting the importance of understanding group dynamics and clique structures. His research aims to develop more effective interventions by designing programs tailored to specific groups within a community.
Researchers mapped gut-brain signaling after protein-rich meals to limit food intake. Peptides from digested proteins block opioid receptors, suppressing hunger and glucose release in the intestine.
Researchers from MIT and NUS have developed an algorithm that enables Wi-Fi-connected cars to aggregate data from hundreds of vehicles, uploading it to the Internet. The system can reduce bandwidth requirements by identifying key nodes in the network, which can then share their connections with others.
Researchers have identified a crucial quality control mechanism in cell growth, ensuring proteins are produced correctly. The study sheds light on the assembly of ribosomes, complex machines inside cells responsible for producing proteins.
Astronomers have discovered an extraordinary amount of dust around a nearby star that has mysteriously disappeared. The dusty disc was bigger and more massive than Saturn's rings and would have extended from the sun halfway out to Earth if it were in our solar system.
The Lancet article highlights the complex mix of medical issues among Paralympic athletes, including injuries from prosthetic technologies and performance enhancement practices. The authors emphasize the need for increased awareness, training, and research to address these challenges and ensure proper healthcare provision.
A powerful summer derecho moved from Illinois to the Mid-Atlantic states, bringing destruction and wind gusts of up to 90 mph. NASA satellites captured the event's progression and aftermath, including extensive power outages and massive blackouts.
Scientists discover that ocean eddies, not sunlight, trigger the annual bloom of tiny plants in the North Atlantic, causing it to occur three weeks earlier than expected. This finding has significant implications for marine life, as many small sea animals rely on the phytoplankton for food and their timing is critical.
A special issue of Botany highlights CANPOLIN researchers' multipronged approach to pollination biology, examining topics such as climate change impacts and pollen limitation. The issue presents key findings on pollinator diversity and network analyses for conservation strategies.
A new study by UNC Chapel Hill researchers reveals Chinese teenagers have a significantly higher rate of diabetes (1.9%) compared to their US counterparts (0.5%). The study also found high levels of inflammation and cardiometabolic risk factors in Chinese children, with over one-third having at least one risk factor.
A new MSU study suggests that the US Securities and Exchange Commission (SEC) should intervene in the stock market only when external financial disruptions make it difficult for large shareholders to fend off speculators. The study finds that such interventions are rare and should be temporary.
Researchers found PHF21A gene mutated in patients with Potocki-Shaffer syndrome, leading to malformations and intellectual disability. The gene plays a crucial role in neuron survival, and its suppression can lead to brain cell death.
Researchers developed a biomimetic strategy delivering clot-busting nanotherapeutics directly to obstructed blood vessels, dissolving blood clots while minimizing bleeding side effects. The approach has significant implications for treating major causes of death such as heart attack and stroke.
Researchers at UNC School of Medicine used injections of non-depleting antibodies to rapidly reverse the onset of Type I diabetes in mice. The treatment maintained disease remission indefinitely without harming the immune system, with some animals remaining free of diabetes after over 400 days.
A new study published in Perspectives on Psychological Science suggests that employees' interests are a stronger predictor of job performance than overall interest scores. The research found that those whose interest profiles matched their job profiles were more likely to perform well, help others, and stay with the company longer.
Researchers have successfully identified natural elemental fluorine in a special fluorite called 'fetid fluorite' or 'antozonite', which emits an intense odor when crushed. The discovery resolves a long-standing debate and provides insight into the properties of fluorine, a highly reactive element.
University of Oklahoma physicists collaborated with 1,700 U.S. scientists on the Higgs boson search project. The international effort resulted in the discovery of a new particle consistent with the Higgs boson.
Researchers found that whirlpools, or eddies, in the North Atlantic Ocean sustain phytoplankton growth, allowing them to thrive in shallower waters with ample sunlight. This discovery helps explain the timing and patchy appearance of the massive spring blooms.
A new study suggests that Mars Curiosity rover may be able to find evidence of ancient life on Mars by probing optimal depths and locations for organic molecules. The research indicates that the rover's drilling range could detect simple carbon-containing molecules within 10 cm beneath the surface.
Researchers found that climate change led to a collapse of coral reefs in the eastern Pacific for 40% of their total history, spanning 4,000 years. The study suggests that similar collapse could occur again due to current climate patterns.
A new CU-Boulder-led study reveals that rising nitrogen deposition is altering sensitive ecosystems in Rocky Mountain National Park. Plant communities are already showing changes under ambient conditions, with potential impacts on biodiversity and aquatic life.
Regular exercise has clear benefits for physical and mental health, making it a key factor in reducing mortality rates. Health professionals should consider exercise levels as a vital sign to provide more help for patients to adopt exercise regimes.
A recent Vanderbilt University Medical Center study has found that obesity is associated with a higher risk of acute kidney injury (AKI) following cardiac surgery. The study, which followed 455 cardiac surgery patients, found that a higher body mass index (BMI) was linked to a greater risk of AKI, with patients weighing more than avera...
Physicists at the Large Hadron Collider have observed a new particle, sparking hopes that it could be the elusive Higgs boson. The discovery is based on data collected in 2011 and 2012, with more analysis expected later this year.
A recent study found that women who believe in intensive parenting are more likely to experience stress, depression, and lower life satisfaction. Mothers who endorsed these attitudes had moderate levels of stress and depression, with approximately 23% showing symptoms of depression.
A study published in Journal of Biological Chemistry found that prostate cancer cells lacking the protein SPDEF are unable to establish colonies at possible sites of metastasis, highlighting a potential biomarker for untreated cancers. Researchers hope to regulate SPDEF expression to prevent cancer cell metastasis.
Researchers at Ohio State University found that the loss of microRNA-125b (miR-125b) shuts down normal cell metabolism and enables cancer cells to proliferate. The study reveals a new mechanism by which chronic lymphocytic leukemia (CLL) develops, providing potential targets for new drugs.
A UBC study found that witnesses of workplace bullying are more likely to want to leave their jobs than those who experience it firsthand. This highlights the significant impact of bullying on employees and organizations.
Researchers identified a protein called LIF as crucial for the growth of female iPS cells, which contain two copies of the X-chromosome. This discovery offers new insights into how iPS cells form and could lead to improved human models for studying disease and testing new drugs.
A team of researchers led by the University of Saskatchewan discovered that small volcanic eruptions can inject aerosols into the stratosphere, cooling the Earth's surface. The study used data from the Canadian Space Agency's OSIRIS instrument to analyze the effects of a 2011 eruption in Eritrea.
Tropical Storm Daniel formed off western Mexico's coast and strengthened into a tropical storm, with NASA's TRMM satellite capturing images of its rainfall and towering clouds. Research shows that a hot tower in the eyewall is twice as likely to intensify within six hours than without one.
A pooled analysis of 11 randomized clinical trials found that higher doses of vitamin D (above 800 IUs) significantly reduced the risk of fractures in older adults. In contrast, lower doses showed no benefit for fracture prevention.
Project 1640 has achieved unprecedented high-contrast imaging, revealing celestial objects 1 million to 10 million times fainter than the star at its center. The instrument can darken speckles far beyond any previous capability, effectively carving a dark square in the speckle background centered on the star.
Researchers in India have developed a system to detect and block cellphone use by drivers while driving. The technology, based on RFIDs, aims to reduce road traffic deaths by minimizing distractions caused by cell phone conversations.
Researchers from the UK and Hong Kong are working together on eight new projects exploring themes such as parenting styles, education, and global issues. The collaboration aims to drive research excellence through intensive interaction and promote scientific exchanges between the two countries.