This year marks the 20th year humans have been living in space. That means most college students today have never known a day without an astronaut orbiting above them on the International Space Station. For the very first episode of WKMG-TV and Graham Media’s new podcast, Space Curious, we go back to the beginning and learn how the International Space Station came to be with someone who was there at the beginning: Kennedy Space Center Director and former astronaut Robert “Bob” Cabana. The first two pieces of the ISS were built across the world but connected in space. "You know, as a team, we need unity in anything that we do if we're going to be successful. So unity is a name for node one was outstanding," Cabana said. Every episode of Space Curious is inspired by a question from a listener. Submit questions at ClickOrlando.com/space. New episodes drop every other Wednesday.