Sciencespeaking topic
If a giant were ten times a human's height, it couldn't walk; its bones would shatter under their own weight. The giants of fairy tales are physically impossible. Why does size have a ceiling?
— square-cube law / biomechanics
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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