Sciencespeaking topic
A locust on its own is shy and harmless, but when it becomes crowded its body and brain change and it turns into part of a destructive swarm. How does the same creature become an utterly different being because of crowding?
— phase change / locust swarm
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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