🚦 Why do traffic lights use red, yellow, and green? How do they know when to change? And what makes them so smart? Join Curious Emma and wise Dr. Owl as they explore the fascinating world of traffic lights! From their explosive beginnings to clever color choices and even some surprising traffic signals around the world, this episode is packed with fun facts, cool stories, and lots of learning. Whether you're walking, biking, or riding in a car, traffic lights keep everyone safe—and now you’ll know just how they do it!