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Questions are linked when they share an underlying concept or when one naturally leads to the other. Following the links is how a five-minute visit becomes an hour.

Centred on Why do carbon monoxide alarms matter when smoke alarms already exist?

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  • Why do carbon monoxide alarms matter when smoke alarms already exist?
  • Why don't birds get electrocuted on power lines?
  • Why does water make a pan fire worse?
  • Why do batteries degrade?
  • Why do cars have crumple zones?
  • Why does bread go stale faster in the fridge?
  • Why is the sky blue?
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Curio indexes questions, not pages. Every card is synthesised from multiple sources and shows its confidence.

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