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Last Word is New Scientist’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
Why do humans like flowers? And do other non-pollinating animals also find flowers appealing, even when there is no obvious benefit?
Miles Drake
London, UK
Richard Newton/Alamy
What’s the best way to hold my hands under a hot air blower to dry them efficiently: flat or cupped? Or something else?
Adrian Moore
Maidenhead, 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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