Podcast:TED Radio Hour Published On: Fri Mar 23 2018 Description: How far would you go to find something that's just out of reach, or maybe not even real? In this hour, TED speakers tell stories about searching for elusive sea creatures and distant aliens. Guests include astronomer Seth Shostak, oceanographer Edith Widder, chef Dan Barber, and humorist John Hodgman. (Original broadcast date: January 9, 2015)