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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

Should we genetically modify humans we send to Mars? Part 2

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Last Word

This week’s new questions

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Does life require Earth’s rate of rotation to lie in a certain range?

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Issue no. 3532 published 1 March 2025

New Å®ÉúСÊÓƵ issue 3532 cover
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