Researchers found that twisting layered sheets of hexagonal boron nitride can dramatically change the light produced by quantum emitters embedded within the material. The technique offers an unexpected new level of control over components that could power future quantum computers, communications systems, and sensors. Read more ›
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Ecologists are investigating the decline of insect populations in the world's tropical forests. Insects, the most abundant and diverse group of animals on Earth, are experiencing alarming declines, prompting this research effort. Read more ›
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Calcium transport into and out of mitochondria -- the powerhouses of cells -- is central to cellular energy production and cell death. To maintain the balance of calcium within these powerhouses, cells rely on a protein known as the mitochondrial sodium-calcium exchanger, or NCLX. Now, in new research, scientists have discovered a novel regulator of NCLX activity, a protein called TMEM65, which helps move calcium out of mitochondria, protecting against... Read more ›
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Every galaxy is thought to form at the center of a dark matter halo. Stars are formed when gravity within dark matter halos draws in gas, but astrophysicists don't know whether star-free dark matter halos exist. An Diego astrophysicist has calculated the mass below which halos fail to form. Read more ›
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Just steps from the center of Tikal, a 2,400-year-old Maya city in the heart of modern-day Guatemala, a global team of researchers has unearthed a buried altar that could unlock the secrets of a mysterious time of upheaval in the ancient world. The altar, built around the late 300s A.D., is decorated with four painted panels of red, black and yellow depicting a person wearing a feathered headdress and flanked... Read more ›
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When faced with a potential threat, mice often freeze in place. Moreover, when two animals are together, they typically freeze at the same time, matching each other's periods of immobility. In a new study, researchers found that coordination during fear looks different in males and females. Read more ›
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Organoids are made to model human organs and are promising for research and therapy, but there are limitations in their growth and function. A recent study found that placenta-derived IL1 under hypoxic conditions, can greatly increase growth of human stem cell-derived liver organoids. By promoting liver progenitor cell expansion through a specific signaling pathway, this method offers a promising route to improve organoid models and regenerative medicine. Read more ›
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Researchers have identified a new molecular target for treating pancreatic cancer. Scientists focused on transcription-replication conflicts (TRCs), which occur when the mechanisms responsible for gene expression and genome duplication collide. The clash disrupts cells' ability to read and copy genes, leading to replication stress, a frequent phenomenon in pancreatic cancer. The added stress causes cells to make errors copying their DNA, enabling cancer to gain a foothold and spread. Overall,... Read more ›
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Researchers have shown that differences in the entire rotavirus genome -- not just its two surface proteins -- affect how well vaccines work, helping to explain why some strains are more likely to infect vaccinated individuals. Read more ›
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A new study shows a compound found in certain fruits and vegetables could hold key to treating neurodegenerative diseases. Read more ›
2
A researcher spent a year living in a jjokbang-chon, an extremely impoverished neighborhood in Seoul, South Korea. While there, he calculated residents' carbon footprints, finding they contribute much less to climate change than their fellow citizens, and detailed how they suffer the effects of extreme heat and other climate issues. He advocates for social work to take a role in addressing such climate injustice in a way that does not... Read more ›
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A new way to watch catalytic reactions happen at the molecular level in real time could lead to better fundamental understanding and planning of the important reactions used in countless manufacturing processes every day. Read more ›
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Researchers have worked to optimize the use of coffee grounds in pour-over coffee. They recommend pouring from as high as possible while still maintaining the water's flow. In particular, the group found the thick water jets typical of standard gooseneck kettles are ideal for achieving this necessary height and laminar flow. Displaced grounds recirculate as the water digs deeper into the coffee bed, allowing for better mixing between the water... Read more ›
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In the first comprehensive, cell-by-cell analysis of brain tissue from individuals with Tourette syndrome, researchers have pinpointed exactly which cells are perturbed and how they malfunction, revealing how different types of brain cells are affected by the condition. Findings from this groundbreaking study provide unprecedented insights into the interplay of different brain cell types in Tourette syndrome, suggesting new therapeutic directions. Read more ›
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Experimental drug NU-9 -- a small molecule compound approved by the U.S. Food and Drug Administration (FDA) for clinical trials for the treatment of amyotrophic lateral sclerosis (ALS) -- improves neuron health in animal models of Alzheimer's disease, according to a new study. Read more ›
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New research has uncovered a surprising culprit underlying cardiovascular diseases in obesity and diabetes -- not the presence of certain fats, but their suppression. The study challenges the conventional belief that a type of fat called ceramides accumulates in blood vessels causing inflammation and health risks. Instead, their findings reveal that when ceramides decrease in endothelial cells lining blood vessels, it can be damaging and cause chronic illnesses. Ironically, the... Read more ›
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Researchers estimated that smoke from wildfires and prescribed burns caused $200 billion in health damages in 2017, and that these were associated with 20,000 premature deaths. Senior citizens were harmed the most, and Native American and Black communities experienced the greatest damages per capita. Read more ›
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A tiny, soft, flexible robot that can crawl through earthquake rubble to find trapped victims or travel inside the human body to deliver medicine may seem like science fiction, but an international team is pioneering such adaptable robots by integrating flexible electronics with magnetically controlled motion. Read more ›
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Researchers have successfully demonstrated the UK's first long-distance ultra-secure transfer of data over a quantum communications network, including the UK's first long-distance quantum-secured video call. Read more ›
2
Eight weeks of mindfulness or cognitive behavioral therapy were associated with improved pain, physical function and quality of life and reduced daily opioid dose in adults with chronic low back pain that required treated with daily opioids, according to a new study. This is one of the largest studies to date to evaluate mindfulness and cognitive behavioral therapy as treatment for opioid-treated chronic pain. Read more ›
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Researchers surveyed residential rain barrels to determine how often mosquitoes took up residence in rain barrels and what preventative measures would most effectively keep mosquitoes out. Taking these preventative measures will reduce potential health risks and ensure that rain barrels remain a safe, effective, and environmentally sustainable tool for managing stormwater runoff. Read more ›
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27.06.2026 05:34
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