Why does tea taste stronger the longer you let it sit?

There’s nothing like a cozy cup of tea. Have you ever noticed that the longer you leave the tea bag in, the more flavorful the tea gets? How does that happen? We asked Dr. Stuart Farrimond, a science writer, doctor and educator, to help us find the answer.Got a question that’s steeping in your brain? Send it to us at BrainsOn.org/contact, and we’ll pour out an answer.