Sakana AI is building artificial life and they can evolve! Petri Dish Neural Cellular Automata (PD-NCA) let multiple NCA agents learn and adapt during simulation, not just after training. Each cell updates its own parameters via gradient descent, turning morphogenesis into a living ecosystem of competing, cooperating, and ever-evolving entities—showing emergent cycles and persistent complexity growth. Petri Dish Neural Cellular Automata Sakana AI Paper: Project: Our report: