News in Brief Science Suggests You Can Live Longer by Getting a Dog New research suggests canine companions are good for your health, particularly if you're single. Tom Jacobs
Social Justice Can We Blame Obesity on Mom and Dad? Consult the Dog New research looks at intriguing parallels between human parenting styles and styles of pet ownership. James McWilliams
Environment Is the Dog Poo Problem Solvable? It's really complicated, researchers say. So probably not. Ryan Jacobs
Social Justice Would You Be More Physically Active If You Got a Dog? New research suggests it can make a difference. Zazie Todd