Where Does Sand Come From? │ Calm Bedtime Science for Kids & Adults

Where does sand come from? Not from the beach. Pick up a handful and you're holding thousands of separate pieces of something, and none of them started there. Please remember to follow, rate and comment! It goes a long way in helping the show!Tonight we follow a single grain backward. Down a mountain, along a river, out to a coral reef where some of the whitest sand in the world was made by a fish, one mouthful at a time.Along the way: why sand isn't a material at all, why the ocean is moving the beach rather than wearing it down, and why the beach you visited last summer is in the same place but isn't the same sand.Calm bedtime science for a beach week, or for missing one.A free, screen-free bedtime podcast for kids, made for ages 3 to 11. Every night, one steady voice tells the true story of one real thing in the world. A volcano. A whale's song. The tide. About ten minutes, with nothing to watch and no reason to stay awake for the ending.