Episode 1: 恐龙为什么灭了?Why Did the Dinosaurs Disappear?
Together, we discover what life was like when dinosaurs ruled the Earth, what scientists believe caused their sudden disappearance, and the surprising twist that means dinosaurs never truly went away.
Episode 2: 天空为什么是蓝色的?Why is the sky blue?
Together, we discover that sunlight is hiding all the colors of the rainbow, what happens when light crashes into the tiny particles in our atmosphere, and why sunsets turn everything orange and red.
Episode 3: 为什么会有白天和黑夜?Why Do We Have Day and Night?
Together, we discover that the Earth never stops spinning, what that means for every family on the other side of the world right now, and why we never feel the ground moving beneath our feet.
Episode 4: 火山为什么会爆发?Why Do Volcanoes Erupt?
Together, we discover what's been boiling beneath the Earth's surface all along, how pressure builds until the planet has no choice but to let it out, and why volcanoes — as destructive as they are — helped create the world we live in today.
Episode 5: 狗狗为什么会摇尾巴?Why do dogs wag their tails?
Together, we discover that a wagging tail isn't just one thing — it can mean excited, curious, or even nervous — and how paying close attention to how a dog wags can tell us what they're really feeling.
Episode 6: 为什么那么多种语言?Why Are There So Many Languages
Together, we discover that the world is home to thousands of different languages, why a mountain or an ocean between two villages can eventually turn into two completely different ways of speaking, and how one small country ended up with more languages than almost anywhere else on Earth.