The Webb telescope's mirrors are made of beryllium, and most of the world's beryllium comes from Utah — where it is buried in volcanic rock. But where does beryllium *really* come from? To explain beryllium's rare beginnings, we have to talk about the cosmic origins of most elements. Join host Sophia Roberts in our latest “Elements of Webb” episode. 🎥 Credit: NASA's Goddard Space Flight Center | NASA's James Webb Space Telescope