Ultrafine particles, UFPs, the smallest contributors to air pollution, hinder the function of mitochondria in human olfactory mucosa cells, a new study shows. The study showed that traffic-related UFPs impair mitochondrial functions in primary human olfactory mucosa cells by hampering oxidative phosphorylation and redox balance. Read more ›
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Scientists have discovered that the serrated edges of Komodo dragons' teeth are tipped with iron. The study gives new insight into how Komodo dragons keep their teeth razor-sharp and may provide clues to how dinosaurs like Tyrannosaurus rex killed and ate their prey. Read more ›
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Using trees as a cost-effective tool against climate change is more complicated than simply planting large numbers of them, an international collaboration has shown. Read more ›
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Tree bark surfaces play an important role in removing methane gas from the atmosphere. Read more ›
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Resulting atlas of the aging human brain holds molecular insights into the brain's vulnerability and resilience. Read more ›
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Genomics and lab studies reveal numerous findings, including a key role for Reelin amid neuronal vulnerability, and for choline and antioxidants in sustaining cognition. Read more ›
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Using the James Webb Space Telescope (JWST), astronomers imaged a new exoplanet that orbits a star in the nearby triple system Epsilon Indi. The planet is a cold super-Jupiter exhibiting a temperature of around 0 degrees Celsius and a wide orbit comparable to that of Neptune around the Sun. This measurement was only possible thanks to JWST's unprecedented imaging capabilities in the thermal infrared. It exemplifies the potential of finding... Read more ›
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Rates of subsequent myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) following an acute illness were roughly the same between people whose acute illness was due to COVID-19 and those who did not have COVID-19, a new study finds. Read more ›
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Whether or not a person becomes seriously ill with COVID-19 depends, among other things, on genetic factors. With this in mind, researchers investigated a particularly large group of affected individuals. They confirmed the central and already known role of the TLR7 gene in severe courses of the disease in men, but were also able to find evidence for a contribution of the gene in women. In addition, they were able... Read more ›
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A new study shows an average 20-percent spike of nitrogen dioxide polluting the air for communities located near huge warehouses. And people of color are harder hit. Read more ›
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Cell membranes play a crucial role in maintaining the integrity and functionality of cells. However, the mechanisms by which they perform these roles are not yet fully understood. Scientists have used cryo-electron microscopy to observe how lipids and proteins at the plasma membrane interact and react to mechanical stress. This work shows that, depending on conditions, small membrane regions can stabilize various lipids to trigger specific cellular responses. These discoveries... Read more ›
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Personalized text messages effectively promoted increased physical activity for patients after significant heart events -- such as a heart attack or surgery -- but those effects later diminished. Researcher say the results show incredible promise for simple, low cost interventions delivered through mobile technology and their potential to help prevent secondary cardiovascular events in patients. Read more ›
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A new study provides evidence that a spillover of avian influenza from birds to dairy cattle across several U.S. states has now led to mammal-to-mammal transmission -- between cows and from cows to cats and a raccoon. Read more ›
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Long-acting injectable cabotegravir (CAB-LA) was safe and well tolerated as HIV pre-exposure prophylaxis (PrEP) before and during pregnancy in the follow-up phase of a global study among cisgender women. Read more ›
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An international collaboration seeks to innovate the future of how a mechanical man's best friend interacts with its owner, using a combination of AI and edge computing called edge intelligence. The overarching project goal is to make the dog come 'alive' by adapting wearable-based sensing devices that can detect physiological and emotional stimuli inherent to one's personality and traits, such as introversions, or transient states, including pain and comfort levels. Read more ›
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Butterflies and moths collect so much static electricity whilst in flight, that pollen grains from flowers can be pulled by static electricity across air gaps of several millimeters or centimeters. Read more ›
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The insecticide-treated bed nets and insecticide sprays that were so effective in preventing mosquito bites -- and therefore malaria -- are increasingly viewed as the causes of household pest resurgence after pests became resistant to pesticides, according to a new article. Read more ›
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Researchers have successfully made super-heavy element 116 using a beam of titanium-50. That milestone sets the team up to attempt making the heaviest element yet: 120. Read more ›
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People generalize to form beliefs about a large language model's performance based on what they've seen from past interactions. When an LLM is misaligned with a person's beliefs, even an extremely capable model may fail unexpectedly when deployed in a real-world situation. Read more ›
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Palaeontologists are helping resolve the evolution and ecology of Odaraia, a taco-shaped marine animal that lived during the Cambrian period. Fossils reveal Odaraia had mandibles. Palaeontologists are finally able to place it as belonging to the mandibulates, ending its long enigmatic classification among the arthropods since it was first discovered in the Burgess Shale over 100 years ago and revealing more about early evolution and diversification. Read more ›
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08.07.2026 08:12
Last update: 08:06 EDT.
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