Hydrosphere, exploring our water world in films, books and food, returns to the Orpheum. This one-day festival encourages a dialogue about ocean health, economy, and as sustenance. Join us for the entirety of the day or drop in for a film or conversation. Jon Bowermaster curated shorts about ocean concerns, talks with author Gaelin Rosenwaks about her book, Sperm Whales: The Gentle Goliaths of the Oceans and Pete Malinowski, co-founder of Billion Oyster Project concluding with A Life Illuminated, (dir. Tasha Van Zandt, 2025, 90 mins.) follows the life and career of marine biologist, Dr. Edith Widder.