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Ant species living in Boulder's foothills have shifted their habitat over the last six decades, potentially affecting local ecosystems, suggests a new study.

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A changing climate may be linked to growing death and disability from stroke in regions around the world, according to a new study. Researchers found over three decades that non-optimal temperatures, those above or below temperatures associated with the lowest death rates, were increasingly linked to death and disability due to stroke. The study does not prove that climate change causes stroke. It only shows an association. The study also did not examine other risk factors such as high blood pressure and high cholesterol levels.

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The size of an individual snack piece not only influences how fast a person eats it, but also how much of it they eat, according to a new study. With nearly a quarter of daily calorie intake in the United States coming from snacks, these findings may have implications for helping people better understand how eating behavior impacts calorie and sodium intake.

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Researchers have created a potential alternative to traditional petroleum-based plastic that is made from carbon dioxide (CO2) and lignin, a component of wood that is a low-cost byproduct of paper manufacturing and biofuel production.

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Findings show a newly created drug can prevent runaway inflammation while still allowing the immune system to handle the virus, even when given late into infection.

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A new technique can more effectively perform a safety check on an AI chatbot. Researchers enabled their model to prompt a chatbot to generate toxic responses, which are used to prevent the chatbot from giving hateful or harmful answers when deployed.

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Cells contain various specialized structures -- such as the nucleus, mitochondria or peroxisomes -- known as 'organelles'. Tracing their genesis and determining their structure is fundamental to understanding cell function and the pathologies linked to their dysfunction.

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A new study reveals the detailed protein structure of the TAS2R14, a bitter taste receptor that allows us to perceive bitter taste. In addition to solving the structure of this taste receptor, the researchers were also able to determine where bitter-tasting substances bind to TAS2R14 and how they activate them. The findings may lead to the development of drugs that targeting taste receptors.

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The potential of quantum technology is huge but is today largely limited to the extremely cold environments of laboratories. Now, researchers have succeeded in demonstrating for the very first time how laser light can induce quantum behavior at room temperature -- and make non-magnetic materials magnetic. The breakthrough is expected to pave the way for faster and more energy-efficient computers, information transfer and data storage.

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Researchers have developed a novel method of adding polyethylene glycol molecules to engineered groups of messenger RNAs called 'mRNA polyplexes', which enable the cells that receive them to produce specific proteins. This technique allows greater control of the site in the body to which the polyplexes are delivered, significantly advancing the field of therapeutic mRNA technologies, with applications in vaccine development and the treatment of cancer and other diseases.

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Forests could also be potential bulwarks against climate change. But, increasingly severe droughts and wildfires, invasive species, and large insect outbreaks -- all intensified by climate change -- are straining many national forests and surrounding lands in the United States. A report outlines a new approach to forest stewardship that 'braids together' Indigenous knowledge and Western science to conserve and restore more resilient forestlands.

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Early jawless fish were likely to have used bony projections surrounding their mouths to modify the mouth's shape while they collected food. Experts have used CT scanning techniques to build up the first 3D pictures of these creatures, which are some of the earliest vertebrates (animals with backbones) in which the mouth is fossilized. Their aim was to answer questions about feeding in early vertebrates without jaws in the early Devonian epoch -- sometimes called the Age of Fishes -- around 400 million years ago.

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A research team has developed a broadband UV dual-comb spectrometer with which air pollutants can be continually measured and their reaction with the environment can be observed in real time.

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The path to quantum supremacy is made challenging by the issues associated with scaling up the number of qubits. One key problem is the way that qubits are measured. A research group introduces a new approach that tackles these challenges head-on using nanobolometers instead of traditional, bulky parametric amplifiers.

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Research has uncovered important new insights into the evolution of oxygen, carbon, and other vital elements over the entire history of Earth -- and it could help assess which other planets can develop life, ranging from plants to animals and humans.

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Researchers have developed a digital display screen where the LEDs themselves react to touch, light, fingerprints and the user's pulse, among other things. Their results could be the start of a whole new generation of displays for phones, computers and tablets.

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Scientists have identified sugar abnormalities in the blood that may promote biological aging and inflammation in people living with HIV.

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Chemists show that a machine-based method prevents widespread 'bias' in chemical publications.

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Oxide ion conductors used in solid-state fuel cells often fail to reach full potential when operating at temperatures below 500 degrees Celsius, but researchers have recently found a solution to this problem. They demonstrated high conductivity and stability in bismuth-containing Sill n oxyhalides with triple fluorite-like layers.

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Researchers decode repair mechanism during transcription of genetic information.