Picking up a hand-sized stone near a rushing waterfall, the speaker of A.R. Ammons’s poem “Cascadilla Falls” is catapulted into the cosmos. Planetary scientist Lindy Elkins-Tanton, composer DJ Spooky, geologist Daniel Schrag, poet Joshua Bennett, CEO Larry Berger, and philosopher Rebecca Goldstein join host Elisa New to consider Ammons’s window onto the vast workings of the universe.