But Why is a show led by kids. They ask the questions and we find the answers. It’s a big interesting world out there. On But Why, we tackle topics large and small, about nature, words, even the end ...

We independently review everything we recommend. When you buy through our links, we may earn a commission. Learn more› By Courtney Schley Courtney Schley is deputy director of editorial operations and ...

June 29, 2026 Fish oil supplements successfully delivered omega-3s to the brain, but a two-year study found no meaningful benefits for memory, cognition, or Alzheimer’s-related brain changes. The ...