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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

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Last Word

How can my brain predict if I’ll recall a name or word?

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Last Word

This week’s new questions

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Last Word

Which animals can recognise individual people?

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Last Word

What would the surface of a neutron star look like? Part 2

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Issue no. 3567 published 1 November 2025

New Scientist issue 3567 cover
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