Dear Dr. Fox: I have a standard poodle who is about 7 years old. He developed sores and flaking skin on his nose that wouldn’t go away. It seemed to expand to around his nostrils. I took him to the ...

A dog’s brain is wired for smell. Now, a new map shows just how extensive that wiring is. Powerful nerve connections link the dog nose to wide swaths of the brain, researchers report July 11 in the ...