Roger Hooper Llechryd
What are these soft, white balls, about 5 centimetres long, found under a drain cover (pictured)?
Roger Hooper,
Llechryd, Ceredigion, UK
Eddie Gerald/Alamy
Why are many people squeamish about the sight of blood when, for much of history, we had to butcher animals?
Derek Johnson,
Moreton-in-Marsh, Gloucestershire, UK
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