The evolution of dog breeds in the past 100 years

Over the last 100 years, dogs have changed dramatically, all thanks to selective breeding. Once valued mainly for their ...
The New York Times

But how much does breed shape a dog’s health and behavior?

Humans have a long history of reshaping their canine companions, which evolved from ancient wolves. At least 10,000 years ago, Arctic peoples were using selective breeding to create sled dogs, ...