The Nose Knows

How your dog's five senses shape his world.

Some items that dogs sniff out for a job:

 Criminals
 Lost children
 Missing Alzheimer’s patients
 Cadavers
 Narcotics 
 Explosives
 Wildlife (national parks)
 Illegal plants (agriculture)
 Chemical contaminants
 Mold
 Cancers in human patients

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