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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

T4AEYJ Stellar explosion shining in deep space, cosmic star blast in Universe. High resolution galaxy background.

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In which direction in the sky did the big bang take place? (part 2)

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How do eardrums convey sound? Don’t the various frequencies interfere?

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How do eardrums convey sound? Don’t the various frequencies interfere?

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Planet Earth Morning 3D. Elements of this image furnished by NASA.; Shutterstock ID 328174808; purchase_order: -; job: -; client: -; other: -

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Do I weigh more at night due to the gravitational pull of the sun?

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A low angle action shot of a road cyclist approaching a smooth tarmac hill on a group ride around Seva, Catalonia, Spain.

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This week’s new questions

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Issue no. 3428 published 4 March 2023

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