Sciencespeaking topic
Add a new, faster shortcut to a road and traffic sometimes gets worse; close that road and everyone arrives sooner. Why can everyone choosing what's best for themselves produce the worst outcome for us all?
— Braess's paradox / game theory
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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