Hannah grabs the tennis ball out of the air, drops it on the floor, and nudges it toward the colorful plastic pins with her nose.
She scores a spare - and a chicken-flavored treat.
Not bad for an 8-year-old yellow Lab who started bowling only a few months ago (albeit eons in dog years) at Doggie Style's Camp Dogwood, the Passyunk Avenue pet boutique and dog care that provides cognitively challenging activities to its four-legged charges.
Increasingly, pets are getting mental workouts, as research - and savvy marketers - touts the intelligence of creatures great and small, as well as the benefits of stimulating play: Smart pets behave better. They're in tune with their natural instincts. And, like precocious children, bright pooches give their owners bragging rights.

