Sciencespeaking topic

Why orange juice tastes disgusting after toothpaste: it's not the fluoride but SLS, the foaming agent, that suppresses your perception of sweetness and opens up bitterness. How is our tongue fooled?

— sodium lauryl sulfate and taste receptors

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.