Why Do Tumbleweeds Tumble? | Deep Look

The silent star of classic Westerns is a plant on a mission. It starts out green and full of life. It even grows flowers. But to reproduce effectively it needs to turn into a rolling brown skeleton. You can learn more about CuriosityStream at SUBSCRIBE to Deep Look! DEEP LOOK: a new ultra-HD (4K) short video series created by KQED San Francisco and presented by PBS Digital Studios. See the unseen at the very edge of our visible world. Get a new pe