General Knowledgespeaking topic
A smell encountered for the first time is never forgotten; smell is the only sense wired directly into the brain's memory and emotion centers, older even than sight. The scent of a spice can teleport you thirty years back in a single second. Why is it a smell, and not an image, that punches through time like this?
— neuroscience, smell and memory (the limbic system)
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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