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.

1. Seth Shostak: Why Should We Search For ET?
[ted src=”http://www.npr.org/player/embed/373983202/375892435″]
2. Edith Widder: What Did It Take To Find The Giant Squid?
[ted src=”http://www.npr.org/player/embed/373978671/375892022″]
3. Dan Barber: Can Organic Farming Make Perfect Fish?
[ted src=”http://www.npr.org/player/embed/373981765/375891460″]
4. John Hodgman: Finding Love…And Aliens?

[ted src=”http://www.npr.org/player/embed/373984276/375890675″]