General Knowledgespeaking topic
Hot peppers are not actually hot; capsaicin does no damage to tissue, it merely tricks the nerves that sense temperature, so the brain thinks 'I am burning.' Humans seek out this fake pain for pleasure even though we know there is no real danger. Why are we the only creature on Earth that deliberately inflicts counterfeit pain on itself?
— sensory physiology, capsaicin and thermal nerves
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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