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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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Is it better for a roll of toilet paper to roll towards you or away?

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How could I reach other dimensions in the multiverse? (part 2)

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R3MJ5Y Blue Whale (Balaenoptera musculus) juvenile, Terceira Island, Azores, Portugal, Atlantic Ocean

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This week’s new questions

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Is it possible to yawn without closing your eyes? If not, why?

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Issue no. 3431 published 25 March 2023

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