Moving her body in perfect rhythm with the music, San Jose high school senior Aanya Gupta shares a gentle dance routine with a group of seniors, then patiently waits for them to mirror her movements.
On the dance floor, Phyllis Bogart moves like she’s made of electricity, not metal. At 78, her pink-and-purple-streaked curls bounce as she shimmies and shakes with the energy of someone half her age, ...