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Last word

Â鶹´«Ã½'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

What caused this red-only rainbow, when there was no rain? (part 2)

Last Word

What caused this red-only rainbow, when there was no rain? (part 2)

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In the cold, why does our body require warm covers but not our face?

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If energy cannot be created or destroyed, where does it come from?

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2C46BM3 Close up of two yellow UK fire hydrant H signs showing nearest water supply for fire service, West Yorkshire

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This week’s new questions

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Issue no. 3377 published 12 March 2022

Â鶹´«Ã½ issue 3377 cover
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