dogs

Cali is the nine-year-old miniature dachshund of Republican Rep. Ken Calvert of California. Love of dogs is a rare source of bipartisan agreement. Ailsa Chang/NPR hide caption

Comparative psychologist Claudia Fugazza and her dog demonstrate the "Do As I Do" method of exploring canine memory. Mirko Lui/Cell Press hide caption

A relaxed, undrugged dog patiently waits its turn in the MRI scanner. The scientists' trick: Make it seem fun. Enikő Kubinyi/Science hide caption

What did she say? Eniko Kubinyi/Science hide caption

Ginger, an English bulldog, stands watch while at work with her owner, Will Pisnieski, at Authentic Entertainment in Burbank, Calif., in 2012. According to the Society for Human Resource Management, 7 percent of employers allow pets at work. Grant Hindsley/AP hide caption

Shelter dog Rohan takes a break from his scent detection trials to play outside. Rohan is one of several dogs training to detect homemade bombs at the Canine Science Collaboratory at Arizona State University. Jimmy Jenkins/KJZZ hide caption