Fungi are fascinating lifeforms that defy conventional notions of animal intelligence. They don’t have brains, yet display clear signs of decision making and communication. But just how complex are these organisms and what can they tell us about other forms of awareness? To begin investigating these mysteries, researchers at Japan’s Tohoku University and Nagaoka College conducted a straightforward test to observe the decision-making prowess of a cord-forming fungus known as Phanerochaete velu...