Luthier Jean Horner taught himself to make fiddles in the 1950s. His instruments became know as the Stradivari's of the Appalachian Cumberlands. He died earlier this year at age 91.

KWONG: I want to start by descending in an imaginary submarine to travel to the deep sea. Where is this part of the ocean? What does it look like and what lives there? ORCUTT: The deep sea is a ...