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Last word

New ÒÁÈ˾þÃ'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

Asteroi?d impact. The doomsday and extinction scene. Meteor hits the planet at high speed. ; Shutterstock ID 2645714679; purchase_order: -; job: -; client: -; other: -

Last Word

Could a massive asteroid that hit Mars or the moon affect Earth?

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2XHMJ3E Mixed breed dog running through grass with large stick in mouth

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Why do dogs bring back a stick if you throw it? Part 2

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Sao Paulo, Brazil - November 26, 2015: Intense traffic in the Consolacao avenue, Sao Paulo, Brazil. It shows the dynamics of the traffic in that busy spot.; Shutterstock ID 347285747; purchase_order: -; job: -; client: -; other:

Last Word

This week’s new questions

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The Garden spider is the UK's most common orb web spider and is abundant in gardens, grassland and woodland

Last Word

If I walk through a spider’s web, what are its chances of survival?

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Issue no. 3565 published 18 October 2025

New ÒÁÈ˾þà issue 3565 cover
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