Mardi Gras in New Orleans can generate more than 1,000 tons of trash every year. A coalition of nonprofit groups, city officials and scientists has a plan to clean it up. By Jackie Delamatre A D.C.

February 18, 2026 • A study finds that people who did one specific form of brain training in the 1990s were less likely to be diagnosed with dementia over the next 20 years.