which things can a dog smell
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7 Unusual Things That Dogs Can Detect by Smell
The Novel Coronavirus. Viruses have specific odors, and scientists have discovered that dogs can detect them. ...
Bronze-Age Human Remains. ...
Fertile Cows. ...
People Carrying Explosives. ...
Invasive Pythons. ...
Bed Bugs. ...
Cancer.
Dogs' noses bear 300 million scent receptors, compared with humans' 5 million or 6 million. That enables them to detect tiny concentrations of odour that people can't. Sniffer dogs are already a familiar sight in airports, where they detect firearms, explosives
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