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Last word

51¶¯Âþ'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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Why aren’t humans covered in hair like other primates are? Part 3

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Is there a minimum size for an atomic bomb?

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When I step into a hot shower, why do I get a shiver down my back?

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This week’s new questions

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Issue no. 3496 published 22 June 2024

New Scientist issue 3496 cover
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