Have you ever been standing in the shower, when suddenly, the noise in your brain clears and in its place appears the perfect thought?
That's a Shower Thought, and Nights is aiming to answer those unshakeable questions lurking in the back of your mind.
Tonight's question: Why does hand soap feel so different to dish soap, and laundry soap?
Auckland University of Technology chemistry professor Allan Blackman joins Emile Donovan to explain.
Photo: Picture Partners