Tennessee elephant sanctuary; good Samaritans; psychiatrist with schizophrenia; computer magnate Larry Ellison.
A Katmandu woman visits the United States; treating brain trauma; lost wallet; multimillionaire mayor of Utica, N.Y.
A homeless teen learns self-esteem; pollution-free engine; dating service for people with disabilities.
Cardiac surgery; researchers find an ancestral link; music and language skills; black bears.
Unorthodox treatment for multiple miscarriages; inmates train guide dogs; prize-fighter Kathy Collins; country singer Kevin Sharp and the Make-a-Wish Foundation.
Documentary filmmakers Jim and Jamie Dutcher revisit a wolf pack; treatment for brain injuries; women trace the roots of a friendship back 200 years.
Zero tolerance in schools; mustangs of the Outer Banks, S.C.; computer magnate Larry Ellison.
People, places and policies that improve society.