The Fluid Pattern in Oil Fields and Our LungsA simple instability could be a biological blueprint.

From the show

Nature's Hidden Blueprint

Discover a single physical principle that connects inefficient oil recovery with the intricate structure of our lungs. When a less viscous fluid pushes into a more viscous one, it forms branching, finger-like patterns. This instability is a challenge in petroleum engineering, but it may also be the blueprint for the complex airways that allow us to breathe.