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Last word

New Scientist'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

Piles of old tyres in a garage. Romania

Last Word

Does car tyre pressure affect the speedometer or milometer readings?

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Last Word

Is it possible to reheat food without additionally cooking it?

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Last Word

This week’s new questions

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Issue no. 3546 published 7 June 2025

New Scientist issue 3546 cover
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