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Last Word is ¿ìè¶ÌÊÓƵ’s long-running series in which readers give scientific answers to each other’s questions, ranging from the minutiae of everyday life to absurd astronomical hypotheticals. To answer a question or ask a new one, email lastword@newscientist.com

If you were to fall into the sun (and magically survive), what would you hear on the journey?

Marthinus Roos,

Elgin, Moray, UK

How can I ensure that most of my body is used after my death and what is left can be turned into something like compost?

Georgina Seaman,

Newbury, Berkshire, UK

To answer this question – or ask a new one – email lastword@newscientist.com.

Questions should be scientific enquiries about everyday phenomena, and both questions and answers should be concise. We reserve the right to edit items for clarity and style. Please include a postal address, daytime telephone number and email address.

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