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Supercontinuum light sources—often called "white lasers" because they emit a broad, continuous rainbow of colors—are essential tools for everything from advanced medical imaging to environmental gas detection. However, researchers ...

Narrow jets of luminous matter may be emitted toward Earth from the nuclei of active galaxies billions of light-years away. The galaxy then appears as a point source and is called a blazar. A Polish-German team of scientists ...

Deep inside super-Earths—rocky planets with masses between 1 and 10 times that of Earth—high pressure can cause familiar minerals to take forms rarely seen on Earth. Understanding more about the temperature and pressure conditions ...

Diagnoses of attention-deficit/hyperactivity disorder (ADHD) have increased in many countries across all age groups, according to our latest review. We have also shown that prescriptions for ADHD treatments have seen similar ...

Agriculture covers more than 40% of Earth's habitable land and plays a central role in both climate change and biodiversity loss. Yet the impact of agriculture is far from evenly distributed across space.

If you ask Vijay Parashar, associate professor of medical and molecular sciences (MMSC) at the University of Delaware College of Health Sciences, human bodies are bags of bacteria. "It sounds gross, but not all bacteria are ...

What's listed on a kratom product label may not tell the full story. Researchers in the University of Florida College of Pharmacy have found that commercially available kratom products, including many kratom-derived products, ...

At first glance, it looks exactly like a seahorse. It has the same horse-shaped head tilted down from the body, the same curled, grasping tail and, in the males, a fully enclosed pouch for brooding the young.

Faced with another summer when wildfires have scorched millions of hectares of land and blankets of smoke have disrupted daily life nationwide, Canada is trying to limit the annual devastation.

Mayo Clinic researchers have identified a protein that cancer cells use to shut down the body's immune response, a discovery that could help scientists develop new treatments that make cancer immunotherapies more effective.

Osteoarthritis (OA) is a chronic, painful joint disease and a leading cause of disability. Despite its prevalence, therapies for osteoarthritis are limited and focus on symptom management. Now, researchers are combining genetic ...

For people living in the northern hemisphere, this summer has been beset by deadly wildfires across parts of Europe, the U.S. and Canada. In the U.K., more than 21,000 hectares (52,000 acres) had already burned by late July ...