Âm thanh chia sẻ

This bird… can find its way home… from hundreds of miles away. No map. No GPS. It’s the homing pigeon. And part of its secret… is the Earth itself. Because the homing pigeon can sense magnetic fields. Like a built-in compass. Helping it understand direction… even when everything looks unfamiliar. Released far from home… it rises into the sky… circles… then chooses a path. Accurate. Consistent. Reliable. Using a mix of signals— the sun… landmarks… and the planet’s magnetic f