A new method for controlling self-balancing mobile robots has been proposed by Prof. Mou Chen, improving their tracking performance. The technique utilizes a disturbance observer to fully utilize dynamic information and adjust the robot's behavior.
A new device developed by Washington State University physicist Yi Gu converts heat energy into electricity up to three times more efficiently than silicon. The multilayered composite material, called a van der Waals Schottky diode, has the potential to provide an extra source of power for electronics, cars, and other devices.
A large system is producing torrential rains over southwestern Mexico, prompting warnings and watches. The NASA Aqua satellite detected Potential Tropical Cyclone 14E, which is expected to strengthen into a tropical storm by tonight.
Researchers at the University of Pittsburgh Center for Vaccine Research and National Institutes of Health found that tick saliva-based drug Ixolaris reduces inflammation in monkeys infected with SIV, a primate form of HIV. The study suggests that targeting this inflammation pathway could improve the clinical management of HIV-infected ...
Researchers propose a novel antibacterial combination to combat drug-resistant tuberculosis, with potent sterilizing activity against highly resistant strains. The study suggests that pairing ceftazidime and avibactam could be an effective treatment option for patients with extensively drug-resistant tuberculosis.
A team of researchers has recovered the location of a nova that was first spotted by Korean astrologers in 1437, providing evidence for a long-term life cycle with multiple stages. The study supports the idea that novae undergo smaller-scale eruptions after fading to obscurity for thousands of years.
A Northwestern University study found that most Instagram providers marketing cosmetic surgery are not board-certified plastic surgeons, leading to patient harm and risk. Non-qualified providers include dentists, barbers, and hair salons, confusing patients and putting them at risk.
Researchers have developed motorized molecules that can target and destroy specific cells using ultraviolet light. The nanomachines can be designed to deliver drugs or disrupt cell membranes, showing promise for treating diseases like breast tumors and melanomas.
New leaf sensor technology measures plant water stress and detects wilting points, allowing for precise irrigation. The system uses a smartphone app to manage details, promising significant improvements in water-use efficiency.
Tropical Storm Sanvu is strengthening with cloud top temperatures reaching minus 63 degrees Fahrenheit, indicating high potential for heavy rain and strong winds. The storm's center is located near 27.1 degrees north latitude and 142.9 degrees east longitude, moving west-northwest at 16 knots.
Scientists have identified a crucial protein called RSF1 that plays a vital role in gene silencing during normal embryo development. The discovery has significant implications for understanding the mechanisms of gene regulation and its potential application in cancer treatment.
Engineers at MIT created a robot that can follow pedestrian rules, avoiding collisions while keeping pace with foot traffic. The 'socially aware navigation' system uses reinforcement learning to adapt to unpredictable pedestrian behavior.
A new study by an international research team has shown that the levels of cesium isotopes, particularly 134Cs and 137Cs, are generally consistent with background levels from aboveground nuclear testing during the 1940s and 50s. The study suggests that the risks to human health from eating contaminated seafood are likely to be negligible.
Researchers from University of Helsinki explore pre-colonial geometric earthworks in southwestern Amazonia, finding them to be important ritual spaces where indigenous peoples communicated with environmental beings. The study highlights the interconnectedness of human life with nature and the significance of these sites as sacred places.
The Childhood Solid Tumor Network offers a vast collection of pediatric solid tumor samples, drug-sensitivity data, and related information to researchers worldwide. This resource has significantly expanded scientific resources for pediatric solid tumor research, enabling the study of rare cancers like osteosarcoma and retinoblastoma.
A study documents the local extinction of the American pika from a 64-square-mile area in California's northern Sierra Nevada mountains due to climate change. The species is expected to decline drastically by 2050, with pikas disappearing from an area that stretches from near Tahoe City to Truckee.
A University of Liverpool study found that dog walking motivates owners to do so due to feelings of happiness and well-being. Owners' motivations are contingent on their dog's enjoyment during the walk.
Researchers have engineered gut bacteria to produce molecules that mimic human ligands, binding to receptors involved in glucose and appetite regulation. This breakthrough may lead to novel therapeutic approaches for diseases such as diabetes and obesity.
Scientists have successfully transplanted human stem cells into monkeys with Parkinson's disease, showing long-term benefits. The quality of donor cells, particularly the Dlk1 gene, played a crucial role in determining cell survival. This study brings iPS cell-based therapy closer to clinical trials.
Researchers at KAIST have developed a novel method to improve medication treatment for liver cancer, identifying the resistance mechanism of Sorafenib and discovering a new approach to block it. The study suggests the possibility of developing a new method to overcome drug resistance using network analysis.
A recent CARBS study showed that salacia extract reduces appetite and manages blood sugar levels by improving glycemic indices and gut hormones in healthy overweight/obese individuals. The proprietary extract, OmniLean, also reduces spikes in blood sugar and hunger pangs.
Scientists developed a new anode material with improved specific capacity and stability, using silicon- and germanium-based materials. The material's three-dimensional architecture provides high energy efficiency for next-generation energy storage systems.
Researchers have designed a new assay that uses gold nanoparticles to improve the accuracy of medical screening, reducing false positives and wait times. The technology has been shown to be up to clinical standards, allowing patients to receive results in about an hour.
A study published in JAMA Cardiology found that out-of-hospital cardiac arrest treatment and survival rates differ by racial neighborhood composition. Neighborhoods with higher percentages of black residents had lower bystander CPR and defibrillator use, as well as lower survival rates compared to predominantly white neighborhoods.
Researchers warn that off-road vehicles can produce airborne asbestos and erionite, posing a risk to children and others. The study highlights the need for precautions, such as wearing safety masks and goggles, when using ORVs in areas with naturally occurring asbestos deposits.
Rutgers engineers create a nano-sized actuator that can lift 265 milligrams hundreds of times in a row, defying conventional strength limits. The discovery uses molybdenum disulfide to generate extraordinary mechanical properties.
The study found two optimal seeding systems: distant seeding and close seeding, which prioritize final match versus first-round matches. Researchers developed a theoretical model based on linear demand and competitive intensity to demonstrate the effectiveness of these systems.
A new study found that underwater plants can positively affect water quality in bays along the Baltic Sea coast. The plants take up nutrients, slow down water movement, and stabilize the soft bottom, leading to clearer water and improved living conditions for marine life.
A team of scientists at Imperial College London has developed a robot that can guide tiny measuring devices to specific neurons in live mice brains, recording electrical currents without human intervention. This automated platform accelerates the study of brain function and brain disorders like Alzheimer's.
An Australian anthropologist believes a 1818 Indian newspaper article reveals the fate of La Pérouse's crew, who survived shipwreck on the Great Barrier Reef near Murray Island. The crew spent several months building a small vessel to return to France before being forgotten.
Developed by a team of researchers, the biosensor uses antibody fragments and polyethylene glycol molecules to detect target compounds in serum. The device can diagnose many conditions and illnesses at sub-picomolar concentrations, making it inexpensive and easy to use.
A study from the University of Notre Dame found that recognizing differences between personal views and others' perceptions can enhance empathy, cooperation, and communication. This awareness can prompt individuals to re-evaluate their own opinions or influence others, leading to better team dynamics and more effective interactions.
Researchers identified distinct gene expression patterns and immune signatures associated with asymptomatic dengue infections, revealing a supporting role for T cell protection. These findings could optimize vaccine development efforts by understanding what types of immune responses are important in defending the body against the disease.
Hurricane Harvey's rainfall caused widespread saturation in southeastern Texas, which already showed signs of moisture levels near 20-40% before the storm made landfall. NASA's data also revealed exceptionally wet conditions in southwest Houston after Harvey's arrival, exacerbating the flooding issue.
A North Carolina State University study reveals that fire suppression in Brazilian savannas leads to a loss of plant and ant species, with some species declining by up to 86%. The findings highlight the importance of fire in maintaining biodiversity in tropical savannas.
A new blood test can predict how early-stage lung cancer patients will fare, identifying clusters of aggressive tumor cells that indicate shorter survival times. The test uses circulating tumor cells in the bloodstream to monitor cancer progression and resistance to treatments.
Researchers have successfully bioengineered a functional lung with perfusable and healthy vasculature in an ex vivo rodent lung. This breakthrough approach selectively treats epithelium while preserving lung vasculature, addressing the organ's extreme complexity.
Researchers at UMass Amherst have found that layered black phosphorous (BP) nanoparticle toxicity is dependent on particle size and concentration. The study reveals that BP's cytotoxicity is based on reactive oxygen species generation, disrupting cell membrane integrity in a particle-size-dependent manner.
A decline in navigational skills could be an early sign of Alzheimer's disease, according to researchers. Researchers are exploring the possibility of using navigational impairments as a diagnostic tool for neurodegenerative diseases.
Researchers discovered a method to track gypsy moth fungus, understanding its range and predicting damage. The study suggests that understanding the distances these killer spores travel could help scientists correlate the fungus' range with weather patterns.
Researchers found that Z-endoxifen provided substantial drug exposure, acceptable toxicity, and promising anti-tumor activity in patients with metastatic breast cancer who had progressed on standard anti-estrogen treatments. The treatment resulted in tumor shrinkage, with some cases lasting over two years without disease progression.
The researchers successfully converted 90% of water into hydrogen gas and over 98% of CO2 into carbon monoxide using new materials and processes. These advancements have significant implications for extracting valuable feedstock from resources like greenhouse gases.
Red squirrels cache seeds in underground storage areas, which grizzly bears dig up and consume, conditioning them to seek grain on trains. This behavior can lead to increased train strikes and human-wildlife conflicts.
Researchers from California Academy of Sciences propose a new model of island biogeography for marine organisms, describing the surprising ways they fill niches and diversify. The study reveals that fast-dispersing marine species quickly colonize available ocean niches, leaving no chance for adaptation.
A novel brain-computer interface (BCI) has been developed to improve motor function in stroke patients. The BCI produced a 36% improvement in motor function of a stroke-damaged hand after just 10 training sessions. This innovative therapy has shown promise for helping stroke patients recover from debilitating damage.
Researchers have developed a high-tech method using visible near-infrared diffuse reflectance spectroscopy (vis-NIRS) to analyze soil texture. This technique allows for rapid, cost-effective, and portable measurements of clay, silt, and sand content, providing valuable insights into soil properties.
Researchers use MRI elastogram to measure kidney scarring and predict future kidney function within one year. The test detects high variability in scarring throughout the entire organ and is comparable to traditional needle biopsies.
Research at Mount Sinai Hospital identified two distinct brain areas involved in decision-making: the orbital frontal cortex (OFC) and ventrolateral prefrontal cortex (VLPFC). Monkeys with OFC lesions lost ability to track reward probability, while those with VLPFC lesions showed preference for M&Ms.
Researchers identified a specific genome type, ST121, that contains the SSI-2 sequence, a stress survival island that helps Listeria monocytogenes strains cope with alkaline and oxidative stress. The discovery provides new insights into food safety strategies.
A new study used speed dating data to test if machine learning could predict unique romantic desire. The researchers found that while they could predict overall tendencies for someone to like and be liked by others, they couldn't anticipate which two people were a match.
Women who breastfed for longer periods had significantly lower risk of being diagnosed with endometriosis, with exclusive breastfeeding offering even greater protection. Longer durations of breastfeeding were associated with an 8-14% drop in risk, and women who breastfed exclusively across multiple pregnancies saw a nearly 30% lower risk.
Researchers used advanced brain mapping techniques to preserve musician's musical ability during surgery. The study, published in Current Biology, sheds new light on how music is processed in the brain and its importance for individuals like Dan Fabbio, who relies on music as his livelihood.
Harold Grotevant, a UMass Amherst professor and internationally known adoption expert, has been chosen for the Elizabeth Hurlock Beckman Award. The award recognizes educators who have inspired their former students to create an organization that benefits the community. Grotevant established two mentoring programs, including the Adoptio...
Researchers at Fred Hutchinson Cancer Center developed a nanoparticle delivery system to extend the therapeutic potential of messenger RNA, delivering gene changes to targeted cells. The 'hit-and-run' genetic programming approach can be easily scaled up for various disease applications.
A natural global warming event occurred 56 million years ago, caused almost entirely by volcanic eruptions during Greenland's separation from Europe. The Palaeocene-Eocene Thermal Maximum (PETM) led to a significant increase in atmospheric carbon dioxide and global temperatures.
Researchers at UT Health San Antonio have developed a new, first-in-class agent called ERX-11 that blocks the growth of estrogen receptor-positive (ER-positive) breast cancer in its tracks. The new drug has shown promising results in preclinical studies and is expected to begin human trials soon.
A research team has developed a method using modified CRISPR to find gene activators associated with autoimmune disorders. By targeting specific regions of the genome, they identified fundamental circuitry of diseases such as inflammatory bowel disease and Crohn's disease, providing new insights into their mechanisms.
A study led by the University of Leicester discovered that a small number of human ancestors thousands of years ago transmitted ancient strains of the virus to individuals today. Most integrated HHV-6 genomes are intact and may be able to reactivate as viruses.
A new study published in Management Science found that strong professional connections are crucial for securing job interviews and offers. Weaker ties on online networking sites like LinkedIn may provide more job leads but have a negligible effect on actual interviews.
Researchers eliminate almost all nanoparticle emissions from some 3-D printers using a new approach that involves enclosing the device with a HEPA filter and printing at low temperatures.