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10 things dogs can smell that humans can’t

Reader's Digest Logo By Emma Taubenfeld of Reader's Digest | Slide 1 of 11: Smelling is part of a dog’s natural behaviour, both instinctually for survival and to make sense of the world around them. A typical dog’s nose contains 300 million olfactory receptors (also known as odour receptors) compared to the 6 million found in a human nose. This means a dog’s nose is 50 times stronger than ours at picking up scents. What dogs can sense with just their nose is truly remarkable – they’ve even been known to save lives with their nose!

Sniffing it out

Smelling is part of a dog’s natural behaviour, both instinctually for survival and to make sense of the world around them. A typical dog’s nose contains 300 million olfactory receptors (also known as odour receptors) compared to the 6 million found in a human nose. This means a dog’s nose is 50 times stronger than ours at picking up scents. What dogs can sense with just their nose is truly remarkable – they’ve even been known to save lives with their nose!
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