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Last word

¿ìè¶ÌÊÓƵ's popular Last Word series gives readers the opportunity to answer each other's questions about everyday science phenomena, from the shape of scones to the evolutionary history of toenails. To answer a question or ask a new one, email lastword@newscientist.com

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Last Word

Do you wake up needing to pee, or need to pee because you’ve woken up?

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Last Word

This week’s new questions

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What would happen if a spinning disc neared the speed of light? Part 2

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Last Word

Which animals can recognise individual people? Part 2

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Issue no. 3571 published 29 November 2025

New Scientist issue 3571 cover
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