Scientists infused fungal mycelium with a conductive polymer to build living-material "chips" that perform brain-like analog computing, even nailing machine-learning tasks like sequence prediction. By tweaking how the hyphal network grows, they can tune how the chip processes signals, turning fungal shape into a computational dial. The kicker: these chips are biodegradable, dirt-cheap, and scalable on existing mushroom farms, with a single growth cycle pumping out over 3 million chips.