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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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Why aren’t humans covered in hair like other primates are?

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How can popped knuckles be so exceptionally loud? Part 2

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Why do older people seem to find that time passes more quickly? Part 2

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This week’s new questions

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Issue no. 3483 published 23 March 2024

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