Newly discovered weapons of bacterial self-defense take different approaches to achieving the same goal: preventing a virus from spreading through the bacterial population.

A groundbreaking new study introduces an AI-powered smartphone app that noninvasively screens for anemia using a photo of a user's fingernail. The study shows the app provides hemoglobin estimates ...

While Alzheimer's disease is mostly considered a disorder of the brain, emerging evidence suggests that the condition also affects other organs of the body. Working with the laboratory fruit fly, ...

Researchers describe a fundamental mechanism of antibiotic resistance. What happens in a bacterium that is resistant to the antibiotic fusidic acid? With a stop-motion movie at the atomic level, they ...

Psychological treatment can relieve pain. New research now shows what happens in the brain -- and what specific treatments psychologists, doctors and patients can turn to.

New research details how infrared thermography, high-definition imaging and neural network analysis can combine to make concrete bridge inspections more efficient. Researchers are hopeful that their ...

Agents, chatbots and other tools based on artificial intelligence (AI) are increasingly used in everyday life by many. So-called large language model (LLM)-based agents, such as ChatGPT and Llama, ...

A new study reveals that heat-tolerant symbiotic algae may be essential to saving elkhorn coral (Acropora palmata) -- a foundational species in Caribbean reef ecosystems -- from the devastating ...

Researchers have developed a method to confidently produce blood cell precursors from stem cells in mice, by activating a set of seven key genes in the laboratory. The team takes a step forward ...

Scientists have decoded the atomic structure of Photosystem I from a 3-billion-year-old cyanobacteria lineage, offering a unique look at early oxygen-producing photosynthesis. The ancient nanodevice, ...

New research suggests that the negative effects of the ozone hole on the carbon uptake of the Southern Ocean are reversible, but only if greenhouse gas emissions rapidly decrease. The study finds that ...

The combination of air pollution, dense urban development and limited green spaces increases the risk of asthma in both children and adults.