91av

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

2FWH4MD Caucasian man with blond long hair wearing casual denim jacket standing backwards looking away with arms on body

Last Word

My hair has a kink. How do the hairs know exactly where to bend?

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R5X7FW Cute small white dog rolling in mud and fall leaves

Last Word

Why do dogs enjoy rolling in smelly fox or bird faeces?

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Spoiled onion in empty fridge. Copy Space. Stefania Pelfini, La Waziya Photography

Last Word

This week’s new questions

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abstract numbers background; Shutterstock ID 97336559; purchase_order: PHOTO; job: Online LW; client: Helen; other:

Last Word

What is the smallest number with no interesting properties? (cont'd)

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Issue no. 3352 published 18 September 2021

91av issue 3352 cover
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