Researchers are investigating the potential of a painless, needle-free vaccine delivery by ultrasound. The method uses cavitation, which is the formation and popping of bubbles in response to a sound wave. Though initial in vivo tests reported 700 times fewer vaccine molecules were delivered by the cavitation approach compared to conventional injection, the cavitation approach produced a higher immune response. The researchers theorize this could be due to the immune-rich... Read more ›
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The holiday season is a time for joy and celebration but many Americans admit the endless flurry of activities make it difficult to eat healthy, exercise and get adequate rest, according to a new survey. Read more ›
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Self-folding polymers containing gadolinium forming nanosized complexes could be the key to enhanced magnetic resonance imaging and next-generation drug delivery. Thanks to their small size, low toxicity, and good tumor accumulation and penetration, these complexes represent a leap forward in contrast agents for cancer diagnosis, as well as neutron capture radiotherapy. Read more ›
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A new article proposes a simple and effective hybrid generative model that can predict unseen domain boundaries in synthesized materials with limited observations, without the need for expensive calculations or simulations. The study highlights the potential of simple and interpretable machine learning models in describing and understanding the nature and origin of disorder in complex materials, leading to improved functional materials design. Read more ›
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A star near the supermassive black hole at the center of the Milky Way Galaxy originated outside of the Galaxy according to a new study. This is the first time a star of extragalactic origin has been found in the vicinity of the super massive black hole. Read more ›
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The sound a disc makes while soaring through the air is full of information about how fast the disc is flying and how quickly it spins. This inspired Kyle S. Dalton of Penn State University to combine disc golf and acoustics into an interactive acoustic signal processing lesson. He set three microphones in a line and connected them to equipment that converts each microphone's signal to a data point. Then... Read more ›
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Inspired by a small and slow snail, scientists have developed a robot protype that may one day scoop up microplastics from the surfaces of oceans, seas and lakes. Read more ›
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A consideration of how mountains influence El Niño and La Niña-induced precipitation change in western North America may be the ticket to more informed water conservation planning along the Colorado River, new research suggests. Read more ›
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Pregnancy brings a rise in pancreatic beta cells -- the cells that produce insulin. Shortly after birth, these cells return to their normal levels. The mechanisms behind this process had remained a mystery. But now a research group has revealed that white blood cells called macrophages 'eat' these cells. Read more ›
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Satellite and spacecraft operators may finally be able to detect small pieces of debris orbiting Earth using a new approach. Colliding pieces of space debris emit electric signals that could help track small debris littering Earth's orbit, potentially saving satellites and spacecraft. Read more ›
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Decreasing pancreatic beta cell numbers -- the only cells that produce insulin -- is a leading cause of diabetes. In a promising development, a research group has revealed that stimulating autonomic vagal nerves connected to the pancreas can improve the function and also increase the number of pancreatic beta cells in mice. Read more ›
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Neurodegenerative diseases are characterized by the deposition of clumped proteins in the brain and progressive neuronal cell death. Although the causal link between protein aggregates and neurodegeneration is clear, it is still unclear in what way misfolded proteins trigger cell death. A team showed that misfolded prion proteins can inactivate the TDP-43 protein. Read more ›
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Mathematics, histopathology and genomics converge to confirm that the most aggressive clear cell renal cell carcinomas display low levels of intratumour heterogeneity, i.e. they contain fewer distinct cell types. The study supports the hypothesis that it would be advisable to apply therapeutic strategies to maintain high levels of cellular heterogeneity within the tumour in order to slow down the evolution of the cancer and improve human survival.  Read more ›
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The prevailing assumption has been that Einstein's theory of gravity must be modified, or 'quantized', in order to fit within quantum theory. This is the approach of two leading candidates for a quantum theory of gravity, string theory and loop quantum gravity. But a new theory challenges that consensus and takes an alternative approach by suggesting that spacetime may be classical -- that is, not governed by quantum theory at... Read more ›
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Scientists have made a significant stride toward understanding a viable process for direct air capture, or DAC, of carbon dioxide from the atmosphere. This DAC process is in early development with the aim of achieving negative emissions, where the amount of carbon dioxide removed from the envelope of gases surrounding Earth exceeds the amount emitted. Read more ›
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A new endovascular catheter, recently approved by the U.S. Food and Drug Administration (FDA), is paving the way to more effective and safe treatment for acute pulmonary embolism. Already shown to be effective for reducing blockages in lung arteries, new research shows that this catheter also reduces blockages in the smaller segmental pulmonary artery branches. These branches are ultimately responsible for oxygenating the blood in the lungs. The new study,... Read more ›
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Research has shown that children who experience adversity during their early years may undergo faster biological aging. Nonetheless, a recent study reveals that positive parenting interventions can potentially shield children from this consequence, helping slow the epigenetic aging process. Read more ›
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Using the James Webb Space Telescope, astronomers spot unexpected source of carbon monoxide ice at galactic region surprisingly devoid of stars. Read more ›
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What wiped out the dinosaurs? A meteorite plummeting to Earth is only part of the story, a new study suggests. Climate change triggered by massive volcanic eruptions may have ultimately set the stage for the dinosaur extinction, challenging the traditional narrative that a meteorite alone delivered the final blow to the ancient giants. Read more ›
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Hispanic/Latina women with a history of hypertensive disorders of pregnancy (HDP) -- conditions marked by high blood pressure during pregnancy -- are more likely to have abnormalities in their heart structure and function decades later when compared with women without a history of HDP, according to a new study. The findings also suggest that while having high blood pressure later in life can contribute to these abnormalities, HDP play the... Read more ›
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25.07.2026 14:07
Last update: 14:00 EDT.
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