Sciencespeaking topic
A colony of bacteria asks each other 'are we numerous enough' through chemical signals, and once the count is high enough they all act together. This is called chemical voting. How is a 'majority' felt without a brain?
— quorum sensing
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.
similar topics
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