Our understanding of intelligence is always growing, but recent research has thrown a fascinating curveball: we're discovering that plants are intelligent too. Though they might not look like creatures we typically describe as intelligent, plants can store information, solve problems, and develop complex social networks. This week, Adam sits with Zoë Shlanger, author of The Light Eaters: How the Unseen World of Plant Intelligence Offers a New Understanding of Life on Earth, to explore this galaxy-brain concept of plant intelligence and what it means for how we see all life and our place in the world.