In a nutshell about Goonj- talk at NASA

http://www.youtube.com/v/daZP09zGHLA?autohide=1&version=3&attribution_tag=MefCmHko0NAgUk2iO9jneA&feature=share&autoplay=1&autohide=1&showinfo=1

In a nutshell about Goonj- talk at NASA

http://www.youtube.com/v/daZP09zGHLA?version=3&autohide=1&feature=share&showinfo=1&autohide=1&attribution_tag=0KPfPGn1nRIQcCow44ZIhA&autoplay=1