Dogs are great smellers! Their noses are 10,000–100,000 times more powerful than ours. They can help detect sicknesses such as diabetes or cancer, or help the police find illegal drugs or trapped people. Dogs are smart! The smartest breeds of dogs can understand up to 250 words and are as smart as a two-year-old child.

Dogs are great smellers! Their noses are 10,000–100,000 times more powerful than ours. They can help detect sicknesses such as diabetes or cancer, or help the police find illegal drugs or trapped people. Dogs are smart! The smartest breeds of dogs can understand up to 250 words and are as smart as a two-year-old child.