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Last word

91av'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 and why did complex languages like Latin develop? Part 2

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Last Word

This week’s new questions

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Last Word

Last Word

What is a smooth continuous curve with three axes of symmetry called?

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Issue no. 3529 published 8 February 2025

91av issue 3529 cover
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