Dulé Hill meets Grammy-nominated artist Joe Troop, who created “latin-grass,” a fusion of Latin and American folk music played with traditional bluegrass instrumentation. Joe has partnered up with Venezuelan refugee Larry Bellorín on a new musical odyssey that’s out to show the world, music has no borders. They perform their song “Hermano Migrante.”

Astronaut and robot companion. NASA's goal to send astronauts to Mars would require a three-year absence from Earth, during which communication in real time would be impossible due to the immense distance. Meet the psychologists whose job is to keep astronauts mentally stable in outer space, as they are caught between their dream of reaching new frontiers and the basic human need to stay connected to home.