Dog noses are at least 40x more sensitive than ours!

Dogs possess up to 300 million olfactory receptors in their noses, that's 50 times more than our measly six million, and the part of a dog's brain that is devoted to analyzing smells is about 40 times greater than ours.

This incredible sense of smell makes them an invaluable to us in many ways, and some of them are trained to 

  • Helping locate people, they can follow scent trails days after they were left. 
  • Sniff out and locate explosives and illegal goods.
  • Alert humans to potentially dangerous health issues like seizures

Random Fact