Sciencespeaking topic
A city's subway, the veins of a leaf, the bronchi of your lungs, and a bolt of lightning all draw nearly the same branching pattern. Nature seems to keep rediscovering the same solution to distribute a resource most efficiently. Why do such different systems converge on the same shape?
— fractal distribution networks / optimal transport geometry
practice with this topic
Set the timer (5-30 min), take 20 seconds of prep if you like, start talking. Jot your thoughts onto the sticky-note board.
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