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Nettle effect

How is it that stinging nettles don’t seem to affect my dog’s sensitive nose and ears or his relatively fur-free belly while I respond rapidly with a very painful skin rash?

Jan Jones, Bramcote, Nottinghamshire

Star quality

With the enormous pressure and temperatures within Jupiter, what’s the chance that one day it could ignite and turn itself into a star?

Darko Kojic, Banja Luka, Bosnia and Herzegovina

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