There are a lot of differences among breeds of dogs and attending to each one is the specialty of a professional dog groomer. (veterinarianedu.org)
First, there are large and significant differences among teachers in terms of their capacity to improve student achievement. (semanticscholar.org)
Another thing the team didn't consider was genetic differences among individuals: Some monkeys are naturally more susceptible to adversity whereas others are more resilient, he says. (sciencemag.org)