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Last word

New Å®ÉúСÊÓƵ'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

What would the surface of a neutron star look like?

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2XHMJ3E Mixed breed dog running through grass with large stick in mouth

Last Word

Why do dogs bring back a stick if you throw it?

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RBJEJN Woman talking to her baby lying on a bed at home. Mother caring and pampering her baby.

Last Word

Why do we speak to babies and pets in cute, silly voices? Part 2

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Headshot of a 13 year old teenage girl with purple hair and braces. She is standing outdoors with buildings out of focus in the background. She is rolling her eyes and frowning slightly, a typical adolescent.

Last Word

This week’s new questions

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Issue no. 3564 published 11 October 2025

New Å®ÉúСÊÓƵ issue 3564 cover
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